Question about Dell E172FP 17" LCD Flat Panel Monitor

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NO BACKLITE LCD COMES ON FOR 5OR 10SEC. THEN THE GREEN (ON) LED STAYS ON STEADY. NO BACK LIGHTING

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  • JIMBO 64 Jun 03, 2008

    I SHOILD HAVE STATED THAT THE BACK LIGHTING DID COME ON. THEY BOTH WORKED FOR THE 5 TO 10 SEC. SO I BELIEVE IT IS THE POWER BOARD. THE REAL QUESTION IS WHAT AND HOW LONG WILL IT LAST;IS IT Q759&Q760 OR THE 27J 3KV CAPS HAS ANYBODY SOLVED THE PROBLEM OR FOUND THE DESIGN FLAW. THANKS FOR THE HELP. JIMBO 64

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  • 55 Answers

You might have a problem with inverter board in your LCD monitor.
Defective back-light bulb can cause that problem to. Usually you would see some discoloration in the area of your bulb.

Good luck

Posted on Jun 02, 2008

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1 Answer

Power light comes on but no picture


Try to check if the monitor displays anything - it would be very dark so experiment with angles/lighting. If you see picture it means that backlight is broken. Broken backlight can be caused by:
  1. Burnt "bulbs" (cathodes or LEDs) - If this is an LED backlit display then this scenario is highly unlikely.
  2. Broken inverter (most likely)
In both cases you need to have it repaired by a technician. If this is a relatively new display this will be cheaper than buying a new one.

Oct 12, 2009 | Samsung SyncMaster 940T 19" LCD Monitor

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Screen goes black after a few seconds.


when the screen goes black shine a flashlight on it. If you see a dim image the back light needs to be replaced. Otherwise check the inverter as that may be causing the problem as well.

Sep 07, 2009 | Mag Innovision LT782S 17" Flat Panel LCD...

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Monitor Not Showing A Picture. Light flashes Yellow and Green.


use the onboard graphics instead of a seperate graphics card (if installed) to test the screen.if it still doesn't work then unplug your monitor from the mains supply and plug in again to reset it. i doubt it's your monitor that is the problem though. but look on the back of your pc for another connection for your screen. the onboard graphics connection is normally vertical near your ethernet port and mouse and keyboard inputs.

please rate me and give me a fixya! if it helped.

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3 Answers

Lcd monitor power light flashing with no img. seems 2 be frozen


The display is in safe mode and you will need to reset the display to get the display out of the safe mode. There are 2 different model revisions. Please choose the method that will match your revision. Depending on the revision of the monitor, one of the following 2 methods should reset it to a normal state. This reset generally requires both hands and it is sometimes easier with another person.

If the serial number begins with an A and/or your power button on the far right (5th button from left):
Method #1
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 3 down at the same time (see picture above) and while continuing to hold the buttons, plug the power cable back in.
4. Keep holding the buttons for 5 seconds after the power has been plugged in and then let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.
Method #2
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 3 down at the same time (see picture above) and while continuing to hold the buttons, plug the power cable back in.
4. Keep holding the buttons until the 4th green LED blink; then, let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.


If the serial number begins with a B and/or your power button is in the middle (3rd button from left):
Method #1
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 4 down at the same time (see attached picture) and while continuing to hold the buttons, plug the power cable back in.4. Keep holding the buttons for 5 seconds after the power has been plugged in and then let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.

Method #2
1. Unplug the VGA cable.
2. Remove the power cable from the back of the monitor.
3. Counting the buttons on the front of the panel from left to right as 1 – 5, hold the buttons 2 and 4 down at the same time (see picture above) and while continuing to hold the buttons, plug the power cable back in.
4. Keep holding the buttons until the 4th green LED blink; then, let go. The green light should be steady when you release the buttons.
5. If the procedure worked, the green light will go to amber and you should see a "No Signal" message on the screen for a few seconds.

If you have tried the reset a few times and it does not solve your issue, please Ask a Question to submit a request through the system or call 1-866-752-6271 Option 1 to contact technical support.

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1 Answer

Blank Screen, power light is steady green


have you tried adjusting for the brightness and contrast of the monitor. does any menu comes out if you press any buttons of the monitor except power of course!

Nov 16, 2007 | Samsung SyncMaster 171S 17" Flat Panel LCD...

1 Answer

Monitor shutoff


Hi, do you mean, when you power on the lcd monitor, then the display come for a while, then no display? May i know the power led light is still on or what's the led color lit? If the color of led still maintain the GREEN light, then you may have a inverter or lamp problem. If this is the problem you need to repair or change the inverter board or ccfl lamp. For more details, you can go to this site http://www.fastrepairguide.com to get some repair idea.

Aug 25, 2007 | Samsung SyncMaster 760 VTFT (White) 17 in....

2 Answers

Works for a few minutes then shuts down


You both have a collection of dry solder joints and or bad capacitors. Check for any sign of buldging capacitors on the power supply board and replace as needed with the exact same values.
The dry joints in the solder are normally around the larger items on the board like transformers etc and places that alot of heat builds up. Check the regulators and other area's near there, and also check areas that sit above them when the monitor is in normal operating mode..hot air rises..too bad electrical engineers work on flat screens =)

Good luck to you both.

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1 Answer

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

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