Question about Mercury P4VM800M7 Motherboard

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Monitor will not wake up when pc is turned on

I replaced my mother board with a gigabyte and ever since my monitor will not come on the orange light is on but it will not turn green

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  • barnhajc Mar 13, 2009

    I also have a gigabyte mobo and am experiencing the same problem. The computer is not in sleep mode. It is set to turn only the monitor off after 10 minutes and never to turn anything else off or go into sleep or hibernation mode. When I return I cannot wake my monitor up but the computer is still awake ( I can start programs and see the lights blink and hear it working.) It only does this every once in a while, but that is still too often.

  • wdon18 May 17, 2009

    disconnected computer for a week and now when i boot up the computer cpu seems to be fine but the monitor seems to be in sleep mode. How can I fix when I can't see what is happening as monitor will not work



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How do I disable the power, sleep, and/or wake buttons in Windows? Answer: Disable the computer's ACPI feature If you wish to disable all three of these buttons, you can disable the computer's ACPI feature in BIOS / CMOS. Additional information about how to enter the BIOS / CMOS setup can be found on document CH000192. Once in BIOS / CMOS setup, you can disable ACPI in the power category. The location of this option is almost always different between all BIOS manufacturers and versions of BIOS.
Change the power option within Windows Microsoft Windows XP users By default, Microsoft Windows XP will prompt you what to do when the power button is pressed on the keyboard. If you wish to change this setting, follow the below steps.

  1. Click Start / Settings / Open the Control panel
  2. Within the Control Panel click Power Options
  3. In the Power Options Properties window, click the Advanced tab.
  4. Under Power buttons, click the down arrow under "When I press the power button on my computer" and/or "When I press the sleep button on my computer" and select the action you wish to perform when pressing the key.
Microsoft Windows 2000 users Unfortunately, Windows 2000 does not have all the features Windows XP does. However, you can change the power button or other buttons to perform a different function. For example, changing the power button to suspend instead of power. To do this, follow the below steps.
  1. Click Start / Settings / Open the Control panel
  2. Within the Control Panel, click Power Options
  3. In the Power Options Properties window, click the Advanced tab.
  4. Under Power buttons, click the down arrow under "When I press the power button on my computer" and/or "When I press the sleep button on my computer" and select the action you wish to perform when pressing the key.
Good Luck, Please dont for get to Vote, Thank You.

Posted on Dec 23, 2007


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No display

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Looks like the lights are on? Fans spin? Sounds like the harddrives spinning? The power supply is bad. has just enough power to light lights, and spin fans, but not enough for the processor. (No beep sounds, because BIOS hasn't done a memory count. It's not going to)

ALL the lights use less than 1 Watt.
EACH fan uses 2 to 3 Watts.
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Well it could be the power supply, but, first try removing all the cards on the motherboard except the video card (remove and reseat that) assuming the video is no built in. Then turn it on. See what happens. Post back with results

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also unplug the monitor cable from the system tower & then if you see that there are the bars moving which say monitor self test on... means tht the problem is with the video card or the mother board...
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My computer is a Gateway(GT4023E). When I turn it on you hear the fan come on and the orange light for the disk drive. But the blue power light doesn't come on and the monitor is blank. Tested monitor on...

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