Rosewill R900J 19" Flat Panel LCD Monitor Logo
Anonymous Posted on Nov 10, 2006

Monitor goes blank less than a second after turning on.

I start my computer and turn it on, and everything looks fine for about 1/4 of a second and then it goes black while leaving the power light green. I can only see the screen again after turning it off and on, but that's only for another 1/4 second. What's up?

  • 37 more comments 
  • Anonymous Nov 14, 2007

    absoluety same as kansasas

  • Anonymous Nov 20, 2007

    Monitor comes on 4 a half sec then black I know its not the bios or card or resolution it is the monitor I heard something about internal power inverter it's a 17 inch DCL model no. s1702d

  • BECCA25007 Nov 25, 2007

    EXACT SAME PROBLEM

  • Anonymous Nov 25, 2007

    Monitor goes blank less than a second after turning on.

  • Want2repair Nov 27, 2007

    Dell 19" monitor powers on fine displays image for a few seconds and then no image. Power light stays green no flashing. power it down and then back up shows and image and then goes blank again. same thing no matter how many times you trun it off and on.

  • bomberbob Dec 21, 2007

    I have a Spectre DCL LCD model S1702D. It quit working, would keep trying to restart, but no video. After reading this thread, I opened the back, and replaced one bulging capacitor. Earlier posts said to replace the whole bank, I only changed the one obvious bad cap.

    This is your problem: Original cap was a 470 microfarad, 25 volt part. Since these monitors appear to be dying like flies, either they bought cheap parts, or the design is poor, and the parts are over stressed. I replaced my bad cap with a 470 microfarad cap (same capacitance value), but I put in a 50 volt part. The 50 volt part was too big, so I cut a small hole in the EMI shield for the cap to stick up through. There is another 25 volt cap in parallel, so it might be the next cap to blow. I have another 50 volt part to put in if this happens. If you put in the same part (25 volt), and the design is poor, you will blow those out too. you need to uprate to a more robust cap.

    Word to the wise. With 50 volt parts, this thing will be bulletproof.

  • Anonymous Dec 27, 2007

    i have a mac book and my screen is very dark, all u can see is little outlines and shadows of all the icons, what can i do?

  • Anonymous Feb 07, 2008

    exact problem. I replaced my monitor thinking it was that, needed replaced anyways. That didnt solve the problem. I replaced the video card and still doing it. Im assuming its either a motherboard or powersupply problem.

  • straight Feb 12, 2008

    Monitor goes blank less than a second after turning on. problem,

  • chrisosborn Mar 03, 2008

    same problem with Dell E153FPT

  • skitzoyd Mar 07, 2008

    I have the same problem, monitor goes black after turning on. I can push the input button on the side of the monitor and the screen comes back on for a second. I can run programs still but monitor goes back off again. I can do this all day but monitor just won't stay on.

  • Don Apr 19, 2008

    I have a Dell e771p Monitor and over the last few weeks I could not turn it off at the Switch, the led light would just remain on.

    I decided yesterday to pull the cover off and see if I could find the problem.

    It appeared that the Push Button was not touching the switch connector.

    I turned the retangle plastic spring loaded connecter over so that the contact would be made.

    I put it all back together and now the Monitor wont stay on, so I wacked a piece of sticky tape over the on/off button to hold it in.

    Not the best way to fix it but it works at present until I think of something else.

    Regards

    Don

  • spook1991 Apr 20, 2008

    I have a SVA VR-17s and when I power it on, it flicks on briefly then it goes black while the power light stays on, also while doing this it makes some weird humming noise. What is this?

  • frstdinCov May 17, 2008

    The 1800FP monitor will not come on at startup. I sometimes turn the computer on and off 10X to get the monitor to finally come on.

  • Anonymous May 21, 2008

    Flat panel monitor goes dark/black every 30 or 40 seconds.

    If I turn it off and back on it works for about 30 to 40 seconds.

    Now, as I'm using the keyboard writing this description, it stays on and works perfectly. I realize it's a settings thing but what?

    As long as the keyboard or mouse are active the monitor works.

    If I'm inactive it goes dark. Any suggestions?

  • Anonymous Jun 25, 2008

    My monitor flashes xp for about 1 second and then goes black although the button is still green.

  • digno Jun 26, 2008

    when i turn it on my monitor i only see is all white then turn in black help me what to do??

  • tom_hallibur Jul 12, 2008

    I have a problem that has been intermittent, but now occurs all the time, with my LCD monitor (AOS LM928, 19"). The screen goes blank on startup after less than 1 second on each display (motherboard, bios, XP, "welcome", desktop). The green monitor light stays on and the display will return, but just for the same period, whenever I turn off the monitor then turn it back on again. I have a Radeon X700 graphics card.

  • electronix Aug 09, 2008

    IBM LCD monitor model 6734-AB1 goes off after few seconds, while is showing the picture is correct but the screen goes blank after fesec (1-2 sec). If I turn off and back on the monitor the problem repeats itself.

  • Anonymous Aug 28, 2008

    My monitor goes blank and the green light stays on.

  • Anonymous Sep 05, 2008

    I have same problem like "electronix" in four monitors.

  • Anonymous Oct 14, 2008

    This happens to me, but when you look really close and hard, you can see still barely see it

  • Anonymous Nov 21, 2008

    Exactly the same problem.

  • Michael Malloy Nov 29, 2008

    I have a Dell 8600. When I power it on the LCD flashes for 1/4 sec and goes black. I am going to replace the inverter and see if that is the problem



    kevkat8

  • Narthalion Dec 09, 2008

    Mine does the same thing, but if I turn it on and off about 5 or 6 times it stays on then after that, so would it still be the inverter board?

  • Anonymous Dec 14, 2008

    i have the same prob...



  • billy2kool Dec 17, 2008

    i have a V7 20 inch monitor and when i turn it on it stays on for a sec and then you hear a fuzzy sound and goes black and the blue light goes orange

  • billy2kool Dec 21, 2008

    I have check the power supply and all the capsitors look good, no indications of burst or anything so how will i know which on is bad or not

  • Anonymous Jan 04, 2009

    I got the same problem with benq monitor. I followed soln 7 which is to unplug and plug the power back. Everything back to normal :)

  • z_carey Jan 07, 2009

    My monitor has been shaky for about six months. Today it started shaking really bad and just went black and will not return to normal until I have turned it off for a while. Even then it goes out after a few minutes.

    I am running two monitors with dual video cards and my tower and monitors are dell. My xps is about two years old

    Thanks so much

    Help

    Zach

  • rsaindon717 Jan 21, 2009

    I have the same problem as you (kansasas) did you ever figure out a solution? Im thinking its the power cord....

  • Anonymous Mar 06, 2009

    monitor goes blank

  • Anonymous Mar 25, 2009

    i have a nokia 800xa it turns on then after 3 sec it turns off

  • Anonymous Mar 30, 2009

    When the computer is turned on the monitor screen comes on and then goes blank and the power button just flashes.

  • nickmerr Apr 11, 2009

    I have a iiyama prolite tv and the same thing happens, goes blank and a split second. It used to when the room was cold and just needed to heat up a little, however it seems to be totally kaput now :-( Piece of junk TV in my opinion.

  • Anonymous Apr 26, 2009

    When monitor turned on it display for less than a second and goes blank. The monitor light remains green. If I turn off and turn on the monitor, the problem repeats. The monitor is DELL 1708FPT and port is DVI-D.

  • 123456_12334 May 12, 2009

    cilvousplait problem moniteur lcd 17 IBM 6734-ab1

  • rakshu May 18, 2009

    I have the same problem as described in other posts, I have LG TFT monitor,when i turned on my PC, just for a second monitor flashes with "LG" written on screen then display gets blanked, Monitor's power LED is shining blue (i.e. ON) During boot up if i press DEL key then BIOS is apperaing so i think there could not be problem in Monitor. So plz advise where the problem could be? and as many of u said abt inverter board so where to find that?



    thanking u all in advance....

  • Anonymous Mar 24, 2014

    i need to swicth off then on again

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It's an LCD so the problem is most likely the back-light inverter board. Take a flashlight and shine it directly into the screen from the front. Can you see the image on the screen now? If the image is there but you can't see it without the flashlight than the inverter board needs to be replaced. This is a VERY common problem. Good Luck and let me know what happens, His Dudeness

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  • Posted on Sep 04, 2007
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OK PEOPLE I GOT THE SOLUTION TO THE MAG INNOVISION LT916S GOING BLACK AFTER ANY LENGTH OF TIME BEING ON!!! I JUST REPAIRED MINE TODAY! THE PROBLEM IS THE CAPACITOR BANK IN THE POWER SUPPLY PART THERE ARE 6 CAPACITORS I HAD A FEW LEAKY ONES "NOT GOOD" THE CAPACITOR SPECS ARE AS FOLLOWS 470UF 25V 105 DEGREES C MEANING 470 MICRO FARAD/25 VOLTS I HAD A VERY HARD TIME FINDING THE 25 VOLT ONES SO I WENT WITH 470UF/35V 85 DEGREES C THEY MIGHT NOT LAST AS LONG AS THE OTHERS DUE TO THE TEMP RATING HOWEVER, IM THINKING SINCE THEY CAN HANDLE UP TO 35 VOLTS IT SHOULD EVEN OUT AND HEY, ITS WORKING SO FAR SO GOOD!! THE CAPACITORS ARE FROM UNDER A DOLLAR A PIECE TO A COUPLE BUCKS EACH. THE CAPACITORS HAVE A BOLD LINE RUNNING UP ON ONE SIDE INDICATING THE POLARITY. BOLD LINE SIDE IS "-" SIDE WITHOUT BOLD LINE ITS "+" THE POWER SUPPLY BOARD HAS THE POLARITYS STAMPED ON THE BOARD ITSELF UNDER EACH CAPACITOR. EASY 30 MINUTE FIX IF YOU ARE LEARY ABOUT SOILDERING, FIND A FRIEND THAT KNOWS HOW TO. ITS REALLY NOT THAT HARD THOUGH AND YOULL HAVE SOME DECENT ROOM TO WORK WITH. I PROMISE WHEN YOU OPEN IT UP YOU WILL ALMOST CERTAINLY SEE AT LEAST 4 OF THE 6 CAPACITORS BULDGING AT THE TOPS MAYBE EVEN LEAKING BROWNISH STUFF. DO YOURSELF A FAVOR THOUGH AND REPLACE ALL OF THEM WHILE YOUR IN THERE "THE SIX BIGGER ONES ONLY" IF ANY OF YOU NEED FURTHER HELP OR ANY OTHER QUESTIONS ABOUT THIS PROJECT PLEASE FEEL FREE TO EMAIL ME AT BTLEE26@HOTMAIL I DAMN NEAR WENT CRAZY TRYING TO FIND A SOLUTION ON HOW TO FIX THIS THING SINCE I SPENT OVER 300 BUCKS FOR IT NEW. AND IM BY NO MEANS A EXPERT WHEN IT COMES TO THIS STUFF BUT I DO KNOW A FEW THINGS. AS IM SURE MOST OF YOU DO. TAKE CARE YOU ALL AND THANKS TO THE GY WHO MENTIONED SOMETHING ABOUT CAPACITORS BEING BAD IN HIS

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  • Anonymous Sep 13, 2007

    just change the damn capacitors in the power supply unit i have the same monitor and had the same EXACT problem theres a bank of 6 you need to change out. its a easy 35 minute job if you like ill make a video and do it all over again to show you what needs to be done

  • Anonymous Oct 27, 2007

    TO THOSE THAT DID NOT HAVE THE SAME CAPACITOR PROBLEM THAT I HAD, IVE BEEN TOLD THAT IT MAY BE THE INVERTER, AND UNFORTUNATLEY I DO NOT KNOW WHERE TO GET THEM OR HOW TO FIX THAT PART, AT LEAST GIVE THE CAPACITORS A VISUAL FOR SIGNS OF BULDGING AND/OR LEAKAGE. LIKE I SAID THIS WAS THE PROBLEM FOR MOST OF THE PEOPLE IVE RECIEVED EMAILS FROM. ALSO, TO GET THE FRONT BEZEL OF THE MONITOR OFF, UNSCREW THE SCREWS ON THE BOTTOM PART OF THE BEZEL, GENTLY PULL THE BOTTOM PART OUT FROM THE BODY OF THE MONITOR AND WORK IT UPWARD TWARDS THE TOP. IVE HAD A FEW PEOPLE ASK ME HOW TO GET THAT PART OFF CAUSE ITS A LITTLE TRICKY TO REMOVE BUT WORKING IT UPWARD SHOULD GET IT OFF OF THERE GOOD LUCK EVERYONE!

  • Anonymous Dec 19, 2012

    its the back light not the invertor hook up another screen even a broken one to the invertor if it lights up iits the back light on your screen

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Temporary get you working fix. These back lights work similar to a striplght in your ktchen where the need a starter but in ths case an electronic starter in the nverter board. Now I have one of these monitors that flashes on at startup . You may find that if you repeatedly plug/unplug the Dc power jack a few times in very quick succession it will spring into life This mimics the electronic boost the starter gives the fluorescents on startup. warning this is not a solution to the problem but something you can try to get you working. I recomend you get the inverter/ fluorescents repaired. also you will probably find that it wont subsequently light up after power save mode switches off the monitor. This info may be of some help to someone to get them out of the "doo doos" but not recomended long term.

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  • Posted on Dec 09, 2006
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Your computer is probably fine. More than likely the inverter board for your LCD has gone bad. The inverter board powers the back lights in your LCD. If you will take a flash light and shine it directly at the LCD you will probably see the display very dimmly. You can purchase the board and swap it yourself or you can pay someone to do it. Either way it will be cheaper than buying a new LCD.

  • Anonymous Dec 13, 2006

    I can't really reply to the problem/solution below. This is not a forum. Your problem sounds like something different.

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LCD COMPUTER MONITOR symptom: you turn power on, but the screen goes black after a few seconds. Usually happens after a year or more out'a the box (and beyond the warranty). Most likely, you've got defective capacitors on your power supply (invertor) board. Mine were bulging out their tops; this happens when the DEFECTIVE wet electrolyte drys out, gets very hot and creates gas that tries to escape. The result is drastically reduced capacitance, and ultimately a blank screen.

I ordered 7 new caps on Ebay for $5 and replaced them myself. Monitor works fine now, good as new. I've since learned there is a rash (tens of millions) of bad caps out of Taiwan that have made there way into tons of monitors and other devices. The caps for my $300 Gateway FDP1960 19" LCD Monitor were the 470uF 25v 105C type, and the 220uF 25v 105C type. If you're a competent hobbyist or tinkerer, you can do this repair yourself. In addition to your soldering iron, you'll need a solder suction tool.

After you unplug the power cord (!) and remove the screws on the back, you split the case with a screwdriver (scotch-taped to prevent mucking the finish) by prying/inching along the perimeter bottom and sides. It requires some unusual force to open, but that's how they're made. (If you're reasonably careful, it will snap back together, later, after the repair is made).

Once the case is open, you follow the obvious by removing screws, the screen, cover, and then finally access the power supply (the one with all the bulging caps). As always, be sure to unplug the thing before opening!

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I have the same problem with Dell E197FPf. I opened it up and this is my inverter board. I am not sure which component would be the problem. I have the soldering tools.Monitor goes blank less than a second after turnin - 3664dea.jpg

  • Anonymous Mar 07, 2008

    Hi, I got the same problem. And this is the way how to examine where the problem is. You have to check that if you can see the image on screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons (Power on both cpu and monitor), there will be a minor problem. Like mine, I can see window image using flashlight and check lamps inside. Some of them were broken and it is very easy to replace but take longer time to order and shipping. If you cannot see any icon on the screen. I would say that there are some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or dark spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so.

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I had a similar problem to this with my Dell monitor, I blogged about it, might fix your issue.

  • dingobully Jan 13, 2011

    This solution worked for me! Thanks! Quickly turn the brightness down when you turn it on and it stays lit. Awesome!

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19" Dell monitor e196FPf has the problems described above. Screen goes black after a second. The flashlight tests works as described. The screen is visible with a flashlight. I took it apart and no visible failure in board, Where can I find the inverter board? The LCD is made by Philips, No manufacturer listed on circuit card number 79044120

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Worked for about 8 hours on same problem.. Had power, ran pc diagnostics cards all good all tests passed. Changed power cord still went to black screen in about a sec. Finally said screw it went to wally world (wal-mart) bought a new monitor $168.00 for 19 inch. And walaaaa problem solved. Cheaper then the headache I was gettin... Good luck all. Hope this helps.

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I agree with rifleman the inverter board has gone bad due to 4 or 5 bad capacitors. If you know what you are doing you could replace them yourself saving the cost of a new inverter board.

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I am having sorta the same problem with this same monitor. The only difference is taht mine stays on for about 30 mins then shuts off. The green light is still on, but if you turn the power on and off it will come back on for about 3 to 4 seconds then goes blank again. If you let it sit for about 5 mins it will work for around 20-30 mins. I dont know if it is the invertor board or whatever you said earlier i was just wondering if it was the same thing. Because I would rather pay 90 bucks instead of 300 for a new monitor it just makes sence

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The problem with most benq moniors is that the inverter fails. The solution is to replace 2 2sc 5707 transistors and 1 fun9024n mosfet. there is also a fusible link that is open circuit. The reason they go bad is because the formers are dry jointed. also heatsinking the transistors gives it more reliability.

  • icuga Feb 09, 2011

    ur actually right,i have this transistor in a number of TFT's and it has always worked

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I had the same problem and on top of that the monitor would flicker before turning on for one sec and off. I have a Samsung SyncMaster 931e.
I opened the monitor (6 screws), looked at the power board. I had to change 3 capacitors that were bulging (bad ones). I used the parts from an old VCR that was in my trash bin in the shop.
Cost to repair $0, time 45min.
Too easy

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Try holding auto button in while turning monitor on, worked for me!

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I just fixed my IBM 17 inch LCD monitor by replacing 1 of the bad (leaky) capacitors. fixing it myself = $.5 dollars.

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I was given an HP pavilion f1503 with the same problem. Turns on, goes black. Using a flashlight I was able to see my desktop once it loaded. I opened the monitor and found cold solder joints on the coils. I very very gently sanded them and re-soldered. While I had it open I touched several of the "cold" joints with the iron. Let them cool at room temp, put back together, and started it up. Works fine now for almost a year. Its not always a bad inverter. Cold joints appear gray instead of silver (solder) and are EASY to fix.

  • Anonymous Nov 06, 2010

    Actually this monitor is still working fine. Solder joints need full contact to conduct and these were badly soldered and cracked. Very lightly sand them off and resolder and almost 2 years later this monitor is still working fine. But not all similar problems come from cold solder apparently. I was lucky this was mine because it was easy to fix.

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Hi, I have two 19" Zerox monitors and i'm slighty annoyed, because its only just been over a year, (literally 7 days) and one of them is playing up. Its more and likely going to be the inverter board, but if your desperate to get the thing on, try this, turn it on, then as soon as you get a picture press and hold the menu button down and it will miraculously flick/brighten up, like its ignited. Do try it a few times though, but its worked for me. Will have to get it fixed, looked for prices for inverter boards average £15-20, but hard to find an xerox one. I think it shouldn't cost more than £40 max to get it fixed or D.I.Y it.

  • Taywest66 Nov 16, 2010

    Having the same problems on my Dell 2005FPW described by everyone. Monitor when turning on or returning from sleep would display the screen then instantly turn off. Replacing the power cord has worked for me in the past, but turning on the monitor and holding down the menu button did the trick! No soldering for me :)

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I just posted a fix for the blank screen after seeing XP.
All I did was to press the "Auto" button twice and it reconfigures itself to auto fix itself back to normal.

Try this on yours. It worked on mine and I was ready to chuck my monitor (literally) on the bin. Was also ready to pay a technician to look at it for me.

I was told I had to pay $40 just for them to look at it then I will have to pay if they're going to fix it. I heard him mentioned coz the parts are not the normal parts he will have to look online for a fix.

So, I took it back and did the search myself online and found it.

Hope this helps you.

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I had the same problem with my LG monitor. it was on the inverter board - a 680uF, 25V electrolytic cap. The top had "mushroomed? and when I removed the cap it only read 178uF, and had high ESR. Since I was in there I replaced the other 680uF cap, several 1,000uF caps, and 2x 470uF caps. Most of them were reading other than labeled. The monitor has been working fine since. I got the caps from Mouser Electronics on line - the parts were here within 3 days, and it took about 15 min.s to change them all.

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Could be a number of things. If the computer turns off, you may have a power problem - newer Intel boards have an extra power connector that needs to be connected to the board, so make sure you've done that - your power supply may be on it's way out - try substituting a new one If the computer remains on but fails to boot, you may have one of a host of issues - check to see that your hard drives, add-in cards, your graphics cards and memory, are well seated and connected well (push them in firmly) - make sure that your mobo jumper for RAID are set correctly - try resetting your CMOS by changing the jumper, starting, then changing the jumper back (refer to your mobo manual) If your computer stays on and boots fine, your monitor may be broken. Try another monitor to check

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I have a Compaq FP 7317 and have the going blank after time issue.
After much reading an some play inside i havnt solved the issue entirely.
But i have found if i turn the bightness down to 0% the screen will stay on fine.
If i increase the brightness to 20% it will work for about 1 to 2 hrs.
Ive tried to check for dry joints but only a quick visual will go more in depth with my multimeter to see what i can find.
Hope this might help someone as atleast i can use the LCD now

  • Anonymous Sep 16, 2012

    this works!

×

A

Anonymous

Common LCD problems & probable causes:

Blanks out, Dark Display - Defective Inverter , Lamp, Controller board

Flickers / Lines on screen - Controller board, LCD panel, Power supply

Dead - Power supply, Controller power circuit

Dim / Darker than normal - Weak lamp

Display blinking - Power supply /inverter board

A

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Dude. Push either the + or minus button between the MENU and AUTO/SELECT buttons. The + selects the DVI input and the minus selects the VGA. I suspect you are currently mismatched.

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The problem is caused by two capacitor of 680uF 16V.

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Same thing happened to me.. Jus keep playing with the buttoms on your monitor.. One of them should change the mode from analog to digital.. Hold up down menu keys.. Some random presses and your monitor will come to life

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I recently hooked up my desktop to a wireless router and everything was fine until I shut down my computer to move it to another location. Once I did that the monitor would not work...same problems as listed in all the other posts. I am not an overly computer literate person but I tried everything that I knew and finally for some reason I tried a different power cord. (only the power cord to the monitor, not a new strip plug) THAT FIXED MY MONITOR. Not sure why the power source would have been the issue, but using another cord worked.

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It sounds like your computer may be experiencing a hardware issue, possibly with the display or graphics card. The sudden black screen after a brief moment of normal operation suggests a potential failure in these components. I recommend contacting a computer technician or the manufacturer for further diagnosis and repair.

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It could also be possible there are supression coils in the circuit of the inverterboard they are not good cleaned before soldering in factory and the time to soldering was not long enough so it is sometimes that will work and sometimes not that is by the most lcd monitors a point to always give an extra attention most times they are mounted with silicone take it out scrape the ends clean because sometimes there is too much insulating lacquer and solder them back again, this has been replaced with all the good will in the world an underestimated problem, I have repeatedly experienced the capacitors with Fujitsu Siemens and Acer is beautiful is not always enough

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If screen shows light 2sec off goes dark you can see pictures change 47 uf 105c 25v..capasitor.

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Buy a new one its cheaper on ebay.

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Your LCD or LED panel is suffering from backlight issues. If the monitor says its on but you can't see the image, try to shine a light on it. If the image is somewhat visible, then your backlight needs to be replaced. Call your product's company customer support, and don't try to fix it yourself unless you know what you are doing.

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Just change the board or fix the bad caps

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My LCD monitor appear black screen after on in 2 seconds is there anyone to help me please i don't know wich Cap should change there are alot of Cap in power suply. thanks in advance

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Anyone having this problem with a **** ACER monitor.. its been a good 5 years since I bought this one.. but still.. I think its the capacitors.. Makes sense since I leave my computer on all the time.. and I remember I was messing with the color outputs.. so I might have just killed it. Thanks for the suggestions.. about to open this baby up!

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Turn the bightness down to 0% the screen will stay on


thank you Brawler

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Check your inverter board if any leake capacitor. you can replace should work your monitor

A

Anonymous

I solved my problem of LCD monitor (AOC LM928) continually going blank in less than a second, effectively by simply removing the strip around the front of the monitor!

I have concluded that my problem, which had progressively got worse over 15 months or so until it was permanent, was that one or more monitor buttons, probably either the power button or the auto button, was pressing permanently against the switches behind (through the plastic component between) continually triggering display cut-off.

A

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I just fixed my dell 17 inch LCD monitor by replacing 1 of the bad (leaky) capacitors. fixing it myself = $1.70 dollars.

A

Anonymous

I have seen the problem on my brand new Dimension E520. There is an issue with the ATI drivers, so you should make sure you have the latest versions before you resort to getting the soldering iron out! If you started seeing the problem after a Windows patch update, suspect the software first.

A

Anonymous

Most likely the LCD has gone bad, or backlights I sould say. Cheap if you work in a place where electronic things are laying around.

A

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Solution #4 was the fix for my Benq flat screen, the parts cost me about $3 at Radio Shack. Thanks for the help.

A

Anonymous

The power supply board inside your LCD monitor has 6 bad capacitors. If you remove the power supply board, look for the bad caps that are buldged up on the tops. These caps are all standard values that you can get at any electronic parts store. Less than $10 and about an hour of labor will do it.

A

Anonymous

If you see picture on LCD when shining to the panel with flashlight as someone worte in first solution, the problem is in the inverter board as has been written. You may try to change electrolytic capacitors on the inverter board, there usualy are only few of them and they are cheap. But you need basic skill with soldering. If doesn't help you have to change the inverter board.

A

Anonymous

I had the identical problem; in my case, and I'm guessing in yours, the flashlight test fails, i.e., the problem is not the backing light. I recently gave the monitor away to a gentleman who claims to have found the problem: the monitor is overheating and automatically shuts off for safety purposes. He says that he fixes these monitors by opening them (this is difficult) and then finding the loose connection causing the problem and resoldering it (somewhat less difficult).

A

Anonymous

Also check the connections to the backlight tubes. Mine had a dry joint on the pink wire. Monitor runs then inverter shuts down as the tube currents are unbalanced.

A

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Sounds like Rifleman may have the answer. I too have this issue and have not been able to figure it out after all sorts of testing, etc. Off to track down a flashlight. :P Thanks!

  • t0pboi Dec 19, 2010

    My monitor is doing the same. It goes blank after the first few seconds. But the light stays blue on the monitor. Can I just buy a whole new monitor to fix the problem?

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I have the MultiSync LCD1700V monitor and it was on for about a half second then off. Tried the flashlight - No go. Turned on and off several times - No go. Then did something off the wall - pulled the power on the back and replaced it - BINGO it works. Analyzing this I found that I had problems inserting the power plug and must have dinged around with it several times then inserted it before it came on. Has been running for over a half hour with no outage. GOOD THINGS HAPPEN!

A

Anonymous

I had also same problem, i bring this to servise center they replace mother board, now it fine no prob. suggest u take it to nearest service center change mother boarard if u r system under warrenty.

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Disable your hibernation. Fixed our problem.

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My monitor keeps turning off then i haft to turn it back on

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Http://www.aplusperfect.com/articles/lcd_capacitor_repair

after two weeks searching I finally find doctor living stone !(above site)

more fun with paulbtorrent
the takening the case bit off is like looking into your wallet
after buying above, but you must! smallest two screw drives flat headed, practise using two pennies stuck together(or held) () after
one little () move and inch and {} again

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Generally, when the monitor powers on, then goes blank very fast, it's usually a power supply problem. I have two LCD flat panels that had bad power supplies, both work great since I made a Mollux connector adapter for it. These are easily made from a Y connector, or any adapter that plugs onto the Mollux connector on your computer's power supply. However, since this takes 19 Volts DC, there may be a problem with line voltage, or amperage to power the monitor.

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I had same problem, you need to change your monitor

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Connect all Ground Connections. It will Work perfectly.

3 Related Answers

Anonymous

  • 1 Answer
  • Posted on Dec 05, 2008

SOURCE: Monitor goes blank less than a second after turning on.

I start my computer and turn it on, and everything looks fine for about 1/4 of a second and then it goes black while leaving the power light green. I can only see the screen again after turning it off and on, but that's only for another 1/4 second. What's up?
I got my rosewill flatscreen as a hand me down from my father. I've had it for several years now. Was working fine until a month ago. When I turn the computer on the screen goes black after 1/4 of a saecond. I have to turn it off and on anywhere from 10 to 20 times before it stays on. I have checked all plugs to the computer and outlets. I have absolutely no idea whats causing this.

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Arjun Komath

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  • Posted on Mar 21, 2009

SOURCE: AOC LM725 Monitor Problem

Change the monitor and check if the PC works. If it works then the problem is with the monitor, you will have to send it to repair. If not then, the problem should be with the power supply, check whether all the cables is kept intact.

jewel banks

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  • Posted on Apr 21, 2009

SOURCE: AOC LCD LM725 monitor - Black Screen

OK WELL DID YOU UNPLUG IT FOR A LIL WHILE? IF NOT DO SO. IF PROBLEM STILL THERE HOOK IT TO A DIFFERENT CPU AFTER ALL IS DONE HIT ME BACK

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YOU NEED TO HAVE THE INVERTER BOARD REPLACED.
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I start my computer and turn it on, and everything looks fine for about 1/4 of a second and then it goes black while leaving the power light green. I can only see the screen again after turning it off and on, but that's only for another 1/4 second. What's up?
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