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Urgent HELP NEEDED

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by dimm

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HI I Just Got Windows XP Installed PRO Edition And my computer has turned its self on like 8 times i had to turn it off by the main power last night so i wont wake up to the computer being on i contacted microsoft support and they said get the lastest update i had a at them one was a backdoor i thought because chkdsk runs via cmos bat and software couldnt cause the system to turn on apart being able that the cmos bat boots the system up for software cause im confused on the whole thing thats why i have put the points up really high PLS HELP i wanna sleep and wake up without the computer begining on

I HAVE A AMD ATHLON T/B 1400 512DDR RAM 266 FSB
ETC.......... GEFORCE 2 MX200 SD PC133 64 MB
XP PRO

Etc........ Thanx PLS HELP!

10 replies

by timthetoolman

Hi,

You're right, the XP software itself cant cause your PC to mysteriously turn on by itself. Its not running when the machine is off, afterall.

But XP may have altered some of your BIOS settings - particularly the power saving settings.

I'd suggest taking a look at all the BIOS settings to do with power savings/settings - there will be several relating to "wake on lan" or "wake on modem" and set all those to false.

It would be just coincidence, but its possible that your CMOS battery is also running a little low - so BIOS settings aren't being retained properly. I'm not sure how you'd verify that without putting in a new battery, though.

I had a similar problem where I installed Roxio's Easy CD creator and that meant I couldn't powerdown my PC on shutdown anymore. It just rebooted straight away.

If you're also using that software, then go to...

http://www.roxio.com/index.jhtml

and head for the XP updates. They have solutions for the power on problem there.Hope this helps,
Cheers,
Tim.

by dmiles

The problem could be caused by Auto Power Control,boot computer and enter Setup to your BIOS,check the setting for Auto Power Control and make sure that it is enabled

Go to System hardware,then Device Manager,look for the APM/Legacy interlace mode,highlight and choose properties,use this device enabled
Then go to Display and check to see if the APM is enabled under these settings

by thechas

In addition to Tim's and soulriders suggestions, check for a wake on keyboard, or wake on mouse function and dissable it. This may be in the BIOS, or a jumper on the motherboard.

If you have a wake on mouse function, it may not take much mouse movement to cause the system to wake up.

I would also check for a BIOS upgrade from the motherboard mfg. As they may have found a power management problem.

by thechas

Make sure that you have a good surge supressor on the power line.
Noise on the power line may be enough to wake up the system.

by brian_seader

That looks like a recently built computer from the specs. If it came with an integrated network card, or you installed one, it's probably your culprit. Most new network cards come with PXE technology, which is a "Wake on LAN" feature that can wakethe pc up by sending a special ping to the NIC (Network Interface Card). Check your BIOS for "wake on lan" or "pxe enabled/disabled". You'll want to disable it. This is also burned into some older 3com cards and needs a utility available on theirsite to disable.

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