Question about Computer Monitors

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Won't power on for days

If my monitor is turned off or I lose power, it will not come back on for three or four days.

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Gtx20,

It's seems your inverter or AC Adapter it's over heating... Need to be replaced. Good Lucks!

Posted on Jul 05, 2008

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My LG Flatron W2453SQ monitor is connected to my laptop. Since two days ago, when I dont touch the keyboard/mouse for 30 secs the monitor goes blank and enteres power saving mode. I have chyecked the cable...


HI kissakiwi,

In the control panel's power option , you need to change the SYTEM STANDBY settings to never , and then the problem would be solved.

There are three options , turn of monitor, turn of hard disk and , system standby , if you select all of these three to 'never' then you won't have this problem.

Remember you can also change the settings via the screen saver tab when you right click and select properties on the desktop.

Let me know in case you have any queries. Hope this helps ...:)

Jul 01, 2011 | LG 22" FLATRON LCD Monitor

2 Answers

The monitor was working one day and the next day, it would not come on, screen black. My grandson has had the monitor for almost three years.


Hi,
I'll hope for the best and assume the simple fix first. Check the plug at the back of the monitor to insure it wasn't pulled out slightly. Sometimes, moving something around can cuse the plug to lose proper connection.
Also, check the power source to insure that you have power to the unit. We had a lightening storm recently and the power strip surge protector did it's job. I turned it back on and everything powered up again.
I hope this helps... Good luck!

Sep 02, 2009 | Computer Monitors

1 Answer

Monitor often will not power up when power button is pushed. Disconnecting power for 90 seconds corrects problem. This is an intermittent problem that is occuring more frequently over time. Condition...


I think there is a problem in Monitor's Power Supply unit which integrated in the base board of Monitor. If u expertise with the service then carry on. else Pl contact a Local Service professional to solve the problem

Aug 23, 2009 | Computer Monitors

1 Answer

The power light blinks solid blue every four seconds or so (it?s off in-between). The screen is blank. None of the buttons on the side function (such as ?menu?). I have a second similar monitor from the...


Hello,
Two days ago I received a Gateway 900w FDP1975W Monitor from a friend. He told me that he would have to let it rest and it would work for about a hour or so and flash green with lines, then Flashing blue power light, then nothing. I have seen this problem on several LCD monitors, including Dell and Sceptre. The problem with the blue power light on/off is with the power supply inside the back of the monitor. The manufacturer runs so close to the minimum that these power supplies burn out in about 2 years. I am typing this messege using the very same dead monitor. How you ask? You must remove the trim from around the out side of the monitor - this one had two(2) screws in the back. bottom, outside corners then the trim can be pried off (dissconnect power button cable) - then you must remove the LCD screen four(4) screws in the 4 corners. (remove with caution - lay it face down on a flat surface with soft cloth or towel - do not break LCD) lift up LCD (a little) from plastic case and remove two pairs of blue/pink wires connected to side of power supply.(these are in two sets of four - two connectors at topside and two connectors at bottomside - make note of which goes where - you must depress cliplocks to unclip) Lift a little higher and remove the main cable from back of power supply. Remove LCD to a safe place. Unscrew three(3) small, four(4) medium and one(1) large screw from the power supply cover and remove. The power board will be on top of the control board, remove four(4) screws holding down the power board and pull up to disconnect from control board (careful the power cord socket connection HAS to slide straight up out of its holder!) Then remove screw holding ground wire and remove the power board. NOW WHAT, do you say? Look at the Capacitors - on mine, it hade 4 680uf@25volt 2 470uf@25volt 3 220uf@25Volt 1 10uf@50volt and 1 22uf@50Volt . The 680,470,220 were all swollen (shorting/shorted) This probably happend because one of the small 10 or 22 control caps were going (high resistance) I went to radio shack and got 35volt (yes they fit and yes they work) 220, 470 and1000 (Yes 1000 fit and yes they work) (Think of capacitors as a glass of water - when they filter the power they fill only to the charge of the rail - This case 20volts (35 gives more space) and the MicroFarad uf to the use of the circuit - now I dont know all about electronics - but the small caps that control the rail MUST be the same 10uf - 10uf 50volt - 50volt (they control the circuit power and their values are designed into the circuit - but the large ones filter the power and in this case, are limited only by the space they have to fit into and cost of the parts - but these can be upped) Now with the larger 1000uf caps and the 470/220/10/22uf all replaced (I replaced the 10uf ad 22uf control caps because this is what probably caused the overvolt/overheat (they didnt show bad - just replace them all!) Cost $13.00us - Put all parts back together - Power board ground wire & screw first - slide power board power cord socket down and connect the 8 -10 pin connector and push down firmly - put back the four(4) small screws and replace power supply cover - put back the three(3) small and four(4) medium and one(1) large screw - reconnect the main connector and the two upper and two lower side connectors. Place LCD all the way down on the cover and replace all four(4) corner screws. Plug power button cable back in and rest trim on top of monitor - Plug power cord in to test - blue light should come on and stay on 'Gateway' logo should flash - then with no signal should go to amber - test with computer - If you soldered all your connection correctly - the monitor will work as good as new!
Einstooge.

Aug 17, 2009 | Gateway FPD1975W 19" LCD Monitor

2 Answers

Acer X223W monito won;t wake up after sleep.


I have a dual monitor system, both are the x223w. Same problem but only on the second monitor. Backlight shuts off.On/off light stays blue. I have to turn off the monitor and turn it back on. I returned it and Acer could not find any problem so I got it back. No problem for awhile and now a few times over the past couple days. Not good...

Aug 10, 2009 | Acer 22" X223w LCD Monitor

1 Answer

Three days ago, my moniter would light up when I awoke the pc and then it went black. Turning the power button on and off three or four times would get the moniter to stay on. Yesterday, I noticed that I...


your pc is in need to open inside but this time call an assistance to a technician to fix it... dont be a hero to your PC... u cant use it until you hire technician on that... i tell you!

Jun 18, 2009 | Computer Monitors

1 Answer

Monitor blinks off for about two seconds and loses power.


This problem sounds like a failure of the monitor power supply switching transistors breaking down under load conditions.This unit needs to be taken to a service center for repair. It also could be other intermittent components affecting the power supplied to the monitor. Hope this helps.

Apr 07, 2009 | Computer Monitors

2 Answers

Acer 1912 monitor that ceased to function


My monitor started to flash for 3 or four minutes before starting up, this was after three good years of faultless service. (I've always found Acer monotors to be excellent value) I was just about to purchase a pair of new monitors online when I decided to take it apart, as I had nothing to lose. I found that 2 capacitors on the mainboard had bulged and leaked. A quick trip to Maplins and 79 pence later I was armed with 2 new 1000uf 16v capacitors and within five minutes had removed and replaced the damaged items. I now have my good old AL1912 back in service.

Oct 20, 2007 | Acer AL1912 19" LCD Monitor

6 Answers

Samtron Monitor 56v 15''


samtron 56 v problum: switch on the monitor no ON, but two or three times switch on now ON. what is the problum

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