I'd recommend basic troubleshooting steps.
1. Update the bios to the latest version
1. Make sure all overclocking and power saving features are disabled
1. I have a PC that will lock up if it idles down. I have to
disable some C states to keep it running.
2. Try a live CD/thumb drive (multiple distros)
3. strip down the computer as far as possible.
1. CPU
2. One stick of RAM (make sure it is in the correct socket!)
3. Video card (if processor does not have video built in)
4. keyboard
5. HDD / live CD
Sleep issues are difficult to troubleshoot, but often it is driver related
and not always fixable.
Good luck!
On Wed, Sep 23, 2020 at 8:17 PM Robert Kopp <[email protected]> wrote:
> I purchased a motherboard recently (used) which I like, the one lacking
> feature being that it doesn't suspend to RAM (although it suspends to
> disk). When sleep is invoked, the power light blinks about once per second
> (as it should), but when a device is used, such as a keyboard, to awaken
> it, it shows signs of activity but reboots instead of returning to the
> pre-sleep state.
> I expect this to be difficult to diagnose, because it could even be
> incompatible hardware. (The same problem occurs with Windows on this
> computer.) I'm wondering if anything in the system logs would be helpful in
> determining the cause of this problem, particularly in dmesg? RAM has been
> tested and is not defective.
>
> Robert "Tim" Kopp
> http://analytic.tripod.com/
>
>
>
>
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