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Cannot get monitor out of sleep mode

I have a HP m7463w desktop computer. For some reason I cannot get it to come out of sleep mode. I can turn it on and off and it comes back for maybe 3 secs then goes right back to black. I have tried unplugging everything and waiting for a while to maybe have it reset itself and nothing. I ran a virus scan and did find a virus that has been quaranteened, I have set everything to never as far as sleep mode and hibernating goes. I checked the bios and it is set to PCI, I have uninstalled the driver and that didn't work, and checked the color settings, as well as updating the graphic driver and also tried rolling back the graphic driver. Nothing is working. Any ideas what I can do. I do know that before this happened my son was either on You Tube or Thanks

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  • MomofJess Sep 19, 2008

    Thanks Andrew,

    I actually forgot to mention that I did try another monitor, and it did not work either. When I was working on the computer, I would keep turning the monitor on and off and use the very small amount of time I had before the computer screen would go black again to work on the computer. UGH I will try your other suggestions to see if they might fix the problem. Thanks again.



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About 90% of the time this is a cable problem. Check the connection on both ends. Make sure the cable is firmly seated. If it is, pull out the cable and check the ends to make sure that none of the pins are bent. If so, straighten the pin back out and reinsert the cable.You could also try a replacement cable.

It could be a video card problem but since you seem to indicate that you have worked on the computer, I'm betting that you connected a different monitor to your computer. If that is the case you are good.

The only other thing (well there are other but even less likely) that might have happened is that the refresh and resolution for you video card got changed to a setting that your monitor (assuming it is a CRT monitor) can't handle. This could have actually permanently damaged the monitor. In WinXP right click on the desktop, select properties, select the settings tab and move the slider all the way to less. Click apply and try and connect the non-working monitor.

Posted on Sep 19, 2008

  • AndrewWro Sep 20, 2008

    One other idea is to reset your bios to factory defaults. This can become corrupted (almost never but something I'd do if I was sitting in front of your PC) and if you have integrated video it may be sending a bad signal to the monitor. When you first turn on your computer, press DEL, F1, Insert or an alternate key (the manual for your computer would tell you which one but those are the most common) before the computer begins to load windows. The BIOS screen will start up. At the bottom of the screen it will have a list of options. One of them will be something similar to "F8 - Load BIOS defaults" Select that and follow the prompts to confirm your selection. The BIOS settings will save and the computer will restart. I realize this will be a pain but hopefully the strobe of turning the monitor on and off to see all this won't drive you crazy.

    Given all the other fixes you did (driver reinstalls etc), I'd start with looking at the cable but you will probably be replacing the video card. If the video is integrated, you should still be able to add a video card and just use that port. The BIOS will typically just disable the on-board video automatically but you may have to go back in and tell it to turn if off if you run into problems.


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