Monitor not recognized by computer. not sure if it's the monitor's problem or the computers?

Monitor not recognized by computer. Not sure if it's the monitor's problem or the computers. I was on the internet the other night and the screen suddenly got darker and then completely black.

After turning off the monitor and turning it back on again, it would work for a couple seconds and then turn black again. I turned up all the lights in the room and noticed that the picture was still there so I figured the backlight went out, but when I connect any other monitor, none of them even recognize that they're connected. Now I don't know if something is wrong with my video card or if its the monitor.

Could it be possible that the backlight of the monitor is controlled by the video card? Could it be the drivers? What should I do to figure out where the problem is?

Asked by peterko10ko 32 months ago Similar questions: monitor recognized computer monitor's problem computers Computers > Hardware > Desktops & Laptops.

Similar questions: monitor recognized computer monitor's problem computers.

I found two helpful site on how to troubleshoot your monitor, see links below for details. How do I determine what is causing my display problem? Your computer's display consists of two pieces of hardware: a video card (also known as a graphics card or display adapter), which is installed inside your computer, and the video monitor, where you see all the text and graphics your programs display.

Windows uses drivers to work with these hardware devices. The majority of display problems are caused by incorrect, corrupted, or missing video drivers. Hardware failure or incorrect installation make up another set of problems, and external factors can also cause video problems.

If you have just installed Windows, or have changed your video card and are experiencing problems, the most likely cause is a missing or incorrect video driver. Most video cards will come with a disk that contains drivers and other software. Before you install it, check the information that came with the video card to be sure it supports your current version of Windows.

If not, go to the manufacturer's website and download the most current driver for your version of Windows. For more information on drivers, see What is a driver? Source: windowshelp.microsoft.com/Windows/en-US/... to Troubleshoot a Computer MonitorInstructionsDifficulty: Moderately EasyStep1Check for loose electrical and VGA cables.

Remove the electric cord from the back of the monitor, then put it back in place. Remove the VGA cable from the computer and monitor and put it back in place. Make sure the connection is tight.

If you're using a cable extender, remove it. Step2Plug the monitor's electric cord into a different outlet. If you're using a UPS or surge protector, plug it directly into a wall outlet.

Step3Attach the monitor to a different computer. If the monitor still doesn't work, replace the monitor's cable. Make sure the cable is less than 5 feet long.

If it still doesn't work, the monitor will need to be replaced or repaired. If it works with no problem on the other computer, troubleshoot your video card. Step4Unplug your computer from the monitor and power outlet.

Remove the cover. Pull the video card out of the slot on the system board. Push it back into place.Be sure the connection is secure.

Step5Put the CD that came with your video card into your computer's CD-ROM drive. Follow the directions to reinstall the video card drivers. Download a new version of the drivers from the manufacturer's website if necessary.

Step6Right-click a blank area of your Desktop. Choose "Properties" from the display menu. Click the "Settings" tab.

Try different screen resolutions to resolve the problem. Step7Determine whether the problem is caused by electrical interference. Electrical interference will make the monitor appear jumpy or wavy.

Move any speakers, radios, fans or other items that can cause electrical interference away from the monitor. Source: http://www.ehow.com/how_2293087_troubleshoot-computer-monitor.html Sources: http://windowshelp.microsoft.com/Windows/en-US/Help/2582c444-448c-4fb5-ba0c-d753f88d64791033.mspx .

Try connecting your original monitor, as well as others to another computer/graphic card. Try connecting your original monitor, as well as others to another computer/graphic card. If they work in that case - the problem is with the graphic card in your computer.

Assumed of course that all the monitors have their own cables with which they connect to the PC. If not (if they all use the same cable) - check the cable too. Sources: Personal experience .

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