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Computer Monitor power supply is getting power but monitor will not power on

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Re: Computer Monitor

Tried wiggling the cable and connector? Are you sure the power supply is delivering power can you rell- a meter perhaps across the connector. What voltage does the monitor work at? An alternative stabilized power supply may be a possibliity. Other wise repair shop

Posted on Jun 03, 2007

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Hanns g hx191d no picture. My monitor went black while I was working, the green led is lit, I get a picture for a split second when I first turn on the computer or monitor.


The most common cause of this type of display issues is a failure of the back light power supply. There are parts called capacitors that fail and this causes the power supply to not be able to put out the correct voltages to operate the monitor. You cn repair the monitor easily by replacing the bad capacitors on the power supply board. The old ones need to re desoldered and the new ones soldered back in place. You can get a kit of the proper capacitors to do the repair here:

Nov 02, 2012 | Hanns.G Corporation HW191D 19" LCD Monitor

2 Answers

I have an Acer AL1916W monitor. After the breaker tripped to the room where the computer is located, the monitor will no come on. It's as though it has no power supply. The monitor was not the reason for...

The power supply has been compromised, if you are very lucky the fuse needs to be changed, in order to check this, remove back cover and follow the power cord to the power supply, see if you can find a blown fuse, replace to see if it will power up, if not probably more cost effective to replace monitor.

Jan 03, 2011 | Acer AL1916W 19" LCD Monitor

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When I turn it on it runs for about ten minutes. Off and on again it runs for maybe 5, then 3, then 2. What should I look for?

Sounds like power supply or the cable may be bad. Try another monitor on same cable or same monitor on different computer with same or different cable exchanging components until problem stops. It may be the power supply to your computer is getting bad and cannot support the power requirements you need. OR, it may be that the monitor is starting to need internal component, like relays of power supplies for itself. Try the other stuff first.
Hope this helps.

Sep 16, 2010 | LG W1934S-BN 19" Monitor

2 Answers

Monitor totally blank

You have a power supply issue. Something is causing teh supply breaker to trip. You will need to find a local repair shop to pin point the issues.

Oct 03, 2009 | HP w1907 LCD Monitor

1 Answer

No picture on monitor

Nothing. Power supply faults in there. Open the monitor and replace all "popped" electrolytic capacitors - they're causing the power supply get overloaded.

Sep 14, 2009 | Dell E173FP 17" LCD Monitor

3 Answers

How to know if the monitor is totally dead?

Generally, if the power light (LED) doesn't come on and there is no screen display with or without input signal, it's dead. Probably a failed power supply.

Aug 29, 2009 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

Power button stuck in off position on Dell Flat screen Monitor

Does the button move at all? What model LCD is it? Most of the time if the monitor does not power up it is the power supply inside the monitor not the button sticking. The power supply can be repaired if that is the problem. Please let me about the movement on the power button and I can help you get back going with your monitor.

Corporate Computer

Jun 17, 2009 | Dell E176FPC Monitor

1 Answer

Acer al1714

The problem may not be the monitor. Acer AL1714 is known for its weak power supply unit. Unplug power supply from monitor. If the green light on monitor comes on but goes out quickly, the power supply is the culprit!

Dec 28, 2007 | Acer AL1714 17" LCD Monitor

2 Answers

Supplying power to the monitor to get it to work

I think what you need is a "D" shell connector.. see if the one that fits your PC Power Supply will fit into the Monitor.. if so then purchase another the same. It's called a "D Shell" Power Cord.

Aug 20, 2007 | HP Pavilion F50 17" Flat Panel LCD Monitor

1 Answer

E17T Monitor

monitor problem any short circuit may be in secondrry side of monitor

Mar 15, 2007 | E-Machines E17T 17" Flat Panel LCD Monitor

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