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Monitor was ok one min. then power supply died the next. is there some sort of reset button?

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No! unfortunately there is not, if the monitor is dead chances are it is one or two bad capacitors in the power supply that usually have a slight bulge on top indicating it is open.

Posted on Apr 05, 2011

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Asus vw 223d


Monitors are fixable, the side lights have probably gone out, or their power supply has died. Get an estimate for the repair, and compare it to the cost of a new or used monitor. It's not the sort of thing you can fix yourself.

Nov 28, 2013 | ASUS Computers & Internet

Tip

How do I "Reset" my........


Ok, many things will work again only after they are "Reset" now to reset your device, if it has a battery, it MUST be removed totally, if on Power, it must be removed, if on BOTH, both must be removed, wait 5 mins or so, then look around the edge back, side, of your unit for a small hole & or button, while the battery is out,power off, depress this button for say 10 seconds, then reattach battery and power up. The unit, with any luck, it should be working again. If it doesn't work first time, simply try again, BUT this time wait like 20 mins, before you try to press the "Reset" button. Hopefully NOW you will be all good. If not then you have some "Other" sort of problem that will NOT respond to this method of fix.

on Feb 21, 2010 | Computers & Internet

2 Answers

Hello my Samsung lcd tv LA40M81B keeps clicking on and off and will not switch on for approximately 15 mins and it will be ok. This only happens if it is cold can you help?


Tv power supply board that the causes and the problems.That the board where the tv power a/c cord plug into it.U must have all the tools and understanding basic electronic also can do basic soldering work too?Yes,take the aparts and check the tv power supply board carefully for dying and leaking capacitors componens parts.These dying capacitors parts are dying and leaking are alway bulges up or puffing up onto it tops.All these dying and leaking capacitors parts are dying like bugles up or puffing onto it tops must have be replace will solved this problems.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish tv power supply board for the replacement.

Aug 23, 2011 | Samsung LA40M81/BDX 40 in. LCD TV

1 Answer

Will not turn on.... have been on vacation for 3 weeks with all power off from strip plug. the on button does not initialize monitor. plugs are ok and all others work on strip plug including the computer....


Try This :

Unplug the power cable from the Unit
Keep on tapping the power button for next 1 min
Also press and hold it down

Then plug in back the cable and check this should work

Regards Soumajit

Mar 13, 2010 | Acer AL1912 19" LCD Monitor

3 Answers

Dell e510 won't make it to post


Unplug computer, disconnect all usb/monitor/internet, open it, hold power button until green led on the inside on the motherboard turns off, pop out the BIOS battery (looks like a big watch battery and use a small flathead screwdriver to depress the spring lock on one side), plug in computer, hold power button for about 20 seconds (must reset BIOS), let up on power button, wait 10 seconds and push power button. The computer should turn on. Wait for it until activity seems stable (1 min. or so). Push powerbutton to shut off.

If this has worked you have proven that it's not the power supply (it turned on). If you purchased a non dell power supply, you might try this with the original one installed.

Go buy a new battery (CR2032 3 volt). Unplug computer, open it, hold power button until green led on the inside on the motherboard turns off, pop in new battery, plug in (you should notice the power button blinking amber again), hold power button until it stops blinking (about 20 sec....again must reset BIOS), wait 10 sec., push power button. the computer should turn on. Wait for it until activity seems stabe (1 min. or so). Push powerbutton to shut off.

Now, close case, plug in all usb/monitor/internet/etc. Power up computer. You'll get an internal floppy drive error. Push F2 (maybe F1) to get into the BIOS settings and go to "drives" and turn off the internal floppy. Save and exit. The computer should boot properly now.

This seems to be a big problem with the e510, my theory is that this one small battery is the root of most of these failures (as these computers usually fail after 1-2 years), not the power supply or the motherboard (heck, when you replace the motherboard it comes with a new one of these batteries...a several hundred dollar piece of hardware, with a $5 battery that will actually fix it).

Nov 09, 2008 | Dell Dimension E510 Dual Core 2.8 Ghz...

2 Answers

Monitor stuck on black, menu buttons not responding


It's sort of a solution, but I work in a computer shop and got this screen in yesterday. I looked at it closely and it's actually the backlight that died. I pulled it apart and found that three of the 820uF/20V capacitors had swollen up. If you replace them then you should be fine, but I went for a different approach and took the inverter board from a laptop and put the in the screen and used an external power supply. It's a bit dark but it works fine now.

Aug 08, 2008 | Samsung SyncMaster 740N 17" LCD Monitor

2 Answers

Not true color


I seem to have found the solution (and the cause, perhaps?) for this problem!

I was having the EXACT same problem with a monitor I'm repairing for a friend. The capacitors on the power supply board were blown (CapXon capacitors, who'd've guessed), which was keeping it from powering up. After replacing the capacitors, the screen worked beautifully. But it had this weird yellow tint!

The strange part was that pure colors - red, green, blue - all appeared perfectly OK on screen. Curiously, the menus would show in the proper colors, except for one: the manual color adjustment menu, which illustrated "Blue" as a sort of off-green in the icon. Auto-Adjust would always fix the colors for a split second, then go back to yellow. Reset didn't fix it. Color reset didn't either. So, exactly the same problem as above.

The solution I found was hidden within the main menu itself, a sort of "easter egg". <b>Hold the Menu button down while pressing Power, and hold it down until the screen, and menu, appear</b>. There will now be a hidden selection, "Auto Color", printed in a red-on-black font at the bottom of the menu. Use the +/- buttons to access it, and press Menu. Voila! PERFECT COLOR! Perhaps this menu was accessed by accident, and calibrated to an incorrect color key. But now my picture works great, and the setting lasts through Auto-Adjusts and Resets!
5da5f39.jpg

Hope this helps some people, it sure saved my ****! ;)

Jul 25, 2008 | AOpen 19" LCD

1 Answer

Samsung 192N suspect power supply problem


I'm sure it is power board failure that need repiar or replaced the defectieve parts of your LCD .

Apr 18, 2008 | Samsung Syncmaster 192N 19" LCD Monitor

3 Answers

Colors are off after auto adjust


I seem to have found the solution (and the cause, perhaps?) for this problem!

I was having the EXACT same problem with a monitor I'm repairing for a friend. The capacitors on the power supply board were blown (CapXon capacitors, who'd've guessed), which was keeping it from powering up. After replacing the capacitors, the screen worked beautifully. But it had this weird yellow tint!

The strange part was that pure colors - red, green, blue - all appeared perfectly OK on screen. Curiously, the menus would show in the proper colors, except for one: the manual color adjustment menu, which illustrated "Blue" as a sort of off-green in the icon. Auto-Adjust would always fix the colors for a split second, then go back to yellow. Reset didn't fix it. Color reset didn't either. So, exactly the same problem as above.

The solution I found was hidden within the main menu itself, a sort of "easter egg". <b>Hold the Menu button down while pressing Power, and hold it down until the screen, and menu, appear</b>. There will now be a hidden selection, "Auto Color", printed in a red-on-black font at the bottom of the menu. Use the +/- buttons to access it, and press Menu. Voila! PERFECT COLOR! Perhaps this menu was accessed by accident, and calibrated to an incorrect color key. But now my picture works great, and the setting lasts through Auto-Adjusts and Resets!

Hope this helps some people, it sure saved my ****! ;)

Dec 05, 2007 | AOpen 19" LCD

1 Answer

Repair Help


Hi the FIRST thing I would do is, check the Lamp(s) and see if they are OK.. Next replace ALL the Electrolytic Capacitors in the Power Supply section.. with same or Better temperature ratings. Esspecially any by any Heatsinks or the like. If this don't sort ya problem, it may not B worth continuing?

Aug 06, 2007 | Scanport H7 17" LCD Monitor

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