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Monitor screen went blank green light still on but flashes

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That is the symptom of shorted out transistors (c5706/5707) in the inverter circuits which make the power supply goes into shutdown/restart mode.
See my DELL albums.

Basic LCD monitor and LCD TV troubleshooting guide:

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV, Monitors, Caps : http://s807.photobucket.com/home/budm/allalbums

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitor kits: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find.

Replacement board: http://www.lcdrepair.us

Posted on Nov 07, 2010

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Posted on Jan 02, 2017

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Blank screen the screen has been working for over a year and all of a sudden went blank its not my pc as i plugged my pc into another screen and worked fine.... the standby flashing stops flashing when i...


Since you have tried another monitor with your computer, then we can only assume that your LCD monitor had gone bad.
If the light is green but you can't see anything on the screen, then most likely the backlight has gone bad. Unless you want to take the monitor apart, I would suggest buying a new monitor.

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No. It is not a Flat Screen issue. It is a CPU issue. You CPU is not sending signal to your flat screen so the green light is flashing. Try to:

1. Reset OR
2. Unplug the CPU case, Open the CPU, the interchange the RAM modules, OR
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It seems that your system needs discharging from a frozen state.

Regards!

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Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

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I am using this great LCD for about an year. But few times in the past my LCD didnt show up the display though the Green light was still ON, turning off the LCD and opening it again always solved the problem. But now My LCD completely went blank. Turning off/on didnt work at all now. I've tried couple of other tweaks mentioned on this site but they didnt work. I am just seeing a blank screen with green light ON. and ya theres a very low hissing sound coming from the LCD.

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Try unplugging the power cord to your computer tower, click the power button to drain the capacitors in the mother board then plug the power cord back in and try to boot up. Has helped me repair several similar black screen problems. Chuck Housecall101@aol.com

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1 Answer

Monitor blank


try to start your pc in safemode with vga mode with thjis faulty monitor
hope you know how to do it
start pc (powerr on)
then continuously press F8 key then it will show you boot menu
select safemode with command prompt
then if it show desktop on screen this means your monitor is having problem with resolution try to downgrade your monitor's resolution
rightclik on desktopgo to properties
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Green light blinking screen blank


Hi Suzee,

Is the green flashing on the tower or the monitor?

If it is flashing on the monitor, then it might be tht the monitor is not gettign signal from the tower.
To check, disconnect the monitor from the tower and check the monitor. If you get a msg on the screen like no input signal or check video cable, then 99% monitor is fine.

Check for the power supply light at the back of the tower.

Disconnect everything from the computer and then press and hold the power button on the comp for about 30 seconds.

Then connect the cables and check if it is working.

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I agree. The monitor probably blew a capacitor.
Time for a nice new LCD monitor.

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Unplug the cable from your PC, if the monitor shows a test image, the monitor is fine and the problem is with your graphic card. If you dont see nothing on-screen after unpluging the cable from the PC, then the monitor in damaged. Send it to repair.

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