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Need help with computer rebooting after going to sleep...
Hello -
I have an HP desktop computer running Windows 7 Ultimate x64 and am having difficulty getting it to go to sleep and stay there. When I select "Sleep" from the shutdown menu, the computer seems to go to sleep and everything shuts off for about 1 second and then it restarts from scratch (i.e., BIOS screen, etc). So it seems it's not just waking from sleep but something's actually causing it to reboot.
To eliminate possible software issues, I just did a clean/new install of Windows 7 and then went through several of the Windows Update cycles to get everything up to date. So it's a pretty bare bones install. The only real add-ons I have in the computer are a Ceton InfiniTV card, a RealTek Ethernet card, and an nVidia Geforce GT430 video card. My "clean" install has the drivers for the Ethernet card and the video card but not for the Ceton card (yet).
I've searched online and in a few forums but haven't found anything obvious. Would appreciate any suggestions on how to go about troubleshooting or diagnosing this.
Thanks!
P.S. The Ethernet card that was originally in the computer stopped working and so I had to replace it. When I did that, there were three wires attached to the old ethernet card that I had to disconnect (to remove the card). Two of them had bare contacts at the end and one has a small plastic connector on the end. I put electrical tape on the bare contacts so they wouldn't touch anything. Don't know if that has something to do with this (and whether there's a way to tell if they do).