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When i boot up my desktop the monitor comes on then goes off, it come back on momentarily when windows starts up and then goes off again. i can turn the monitor power off then on again and it comes on for around 2 seconds. any ideas?

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Your backlight might be dead. Try using a flashlight to see if you can see a screen
when it turns black. If you can, its a backlight problem. What model of screen do you have?

Posted on Oct 25, 2008

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I have a Samsung SuncMaster 940BW 19'' LCD Monitor. It's a geat Monitor in my humble opinion in everything, except that since i got it i have one problem with it, and it wasnt possible for me...


This is a common problem with monitors when changing resolution. What probably happened is you may have tried to change the resolution, or an application changed the resolution, to an incompatible resolution.

For example, if you have a tiny little screen it can't display that huge resolution that a 32 inch monitor has. So, your monitor is stuck in that wrong resolution.

To fix this problem, you need to boot into Safe Mode. Restart your computer, and as it is booting up tap F8 a bunch of times, and then select Boot into Safe Mode.

When it boots up, right click on the desktop, click Properties (Windows XP) or Screen Resolution (Windows 7). When the window pops up, click Settings (if on Windows XP, if on Windows 7 skip to next step). From this window, change the resolution back to the basic 800 x 600 screen resolution.

Now, reboot your computer normally. You should be able to see the desktop. Now, you can do the same thing that you did in safe mode and turn up your resolution. BUT, when you change it, if the screen goes BLANK again, DO NOT press anything. After 15 seconds it should go back, and you can try a lower resolution.

Hope this helps! Thanks for using FixYa.

Aug 27, 2011 | Samsung Syncmaster 940BW LCD Monitor

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Computer boots up shows windows xp and start up then monitor goes black if i switch it of and on it comes on for a couple of seconds and displays desktop then goes black have tried another monitor same...


Try start up in Safe Mode press F8. Choose Safe Mode, when at the choice window, to select either Safe Mode Desktop, OR System Restore, chooses system restore and choose a time before you had the "Problem" and follow instructions. This should get you back.

Feb 14, 2010 | Computers & Internet

2 Answers

Screen goes black. the power light is on, but the picture goes out. if i turn the power off, then on again it comes back for about 5 seconds, then goes black again.


Check to see if this problem follows in safe mode. Reboot and when the Dell splash screen comes up tap F8 until you see the multiboot options. Scroll to "safe Mode with Networking" let the machine boot up and see if you have a screen. If you do, right click on the desktop and set the resolution to 800 X600 and reboot normally. Usually when a screen goes blank in normal mode but shows up in safe mode means you have an incompatible resolution for the monitor or graphics adapter. This may be a driver issue or hardware. If the screen boots up in normal mode at the lower resolution, then try and go to properties again and bump the resolution up a bit, if it blanks again, try to go online and update the driver for the graphics chip.

Sep 08, 2009 | Dell Dimension E510 PC Desktop

1 Answer

No picture on the monitor


try to log into safemode, change the setting of your monitor or install the vga driver if its needed.

Jun 17, 2009 | Hannspree HANNS G HW191DPB (Black) LCD...

1 Answer

Monitor turned black when i change the resolution to 32bit


press f8 when the computer starts up before windows boots and select start in vga mode or low resolution mode. after you get into windows change the video settings again but if the screen goes black, dont touch anything...it will revert back to what it was before. most likely, the resolution you picked isnt supported by the monitor. you also want to make sure that oyu have the video drivers installed properly aswell.

Apr 26, 2009 | Computers & Internet

1 Answer

Randomly lost display on my pc.. and its not a faulty card.


Try to set your PCI-E card as a first one in BIOS. There also should be an option to turn off onboard video.

Mar 07, 2009 | Gateway GT4022 PC Desktop

2 Answers

Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

Dec 17, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

Monitor won't stay on. Error message comes up that says "no input signal", then monitor goes out.


Problem with the monitor, monitor cable, or video output. For monitor, if you have more than one input, make sure it's set to the correct one. Try a different cable. Try a different monitor. Check your video card settings--if you see the BIOS bootup screen while it's coming up then the Windows splash screen, then monitor blanks out, it's a Windows display setting. Boot into safe mode, then change settings--
  • Turn the computer on or Restart the computer
  • Start tapping the F8 key. The Windows Advanced Boot Options Menu appears. If you begin tapping the F8 key too soon, some computers display a "keyboard error" message. To resolve this, restart the computer and try again.
  • Ensure that the Safe mode option is selected (the top option)
  • Press Enter. The computer then begins to start in Safe mode.
  • When you are finished with troubleshooting, close all programs and restart the computer as you normally would.

Oct 31, 2008 | HP Computers & Internet

1 Answer

Monitor goes to sleep and computer will not boot


If your monitor goes to sleep, how do you know it got to window xp screen ?

Sound like your stuck in a loop (bad boot sector). You might have to reinstall windows again.

May 06, 2008 | Computers & Internet

1 Answer

No Display - Screen says "NOT SUPPORTED"


Turn your computer on.
When the boot screen cahnges to black start pressing F8
You should get a Windows startup screen
If you see the Windows Logo loading page, then hit the reset button and tray again.
On the Windows Start page, select Safe mode.
Press enter twice and Windows will load
Go into display properties (right click on the desktop and you will see it on the menu)
A box will pop up, select the last tab (Display Properties) there will be a slider on the left side. Move it left to around 800x600.
Select apply and then close the window.
Restart Windows normally and it should be fine.

If not, post back and we will try something else.
Hope it helps =)

Apr 12, 2008 | Computers & Internet

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