Member Avatar for stormfrog300

Hello there,
I have a new system that was built for me. The system runs awesome until the computer goes into idle. (normally about 15 minutes on no use it automatically reboots itself. Have tried updating norton. Thought that could be the issue.
Any suggestion.
Thanks
Storm

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Dani AI

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reported an XP machine that automatically reboots after going idle; already pointed at power settings. If the simple power-scheme check didn’t fix it, the next steps are diagnostic: capture evidence of the failure, then isolate driver, BIOS, and hardware causes.

Check the Windows logs and force a visible crash
Start Event Viewer (Start -> Run -> eventvwr.msc) and inspect System and Application logs for entries at the time of the reboot. Then disable automatic restart on system failure so any Blue Screen stays on-screen: Right‑click My Computer -> Properties -> Advanced -> Startup and Recovery -> Settings -> uncheck “Automatically restart.” Also enable small memory dumps (Startup and Recovery) so a minidump appears in %SystemRoot%\Minidump if a crash occurs. Analyze dumps with Debugging Tools or a utility like BlueScreenView.

Driver/service isolation and BIOS power options
Boot to Safe Mode (F8) and leave the system idle. If it stays up, a driver or service is likely. Use msconfig to perform a selective startup and re-enable services one group at a time to find the culprit. In Device Manager check Network and USB device Power Management tabs and disable any “allow this device to wake/turn off” options. In the motherboard BIOS, disable wake-on-LAN/PCI and any ACPI sleep modes (try S1 vs S3) or scheduled power-on settings.

Hardware and other checks
Swap or remove peripherals, test with one RAM stick, and try a different power outlet/strip or UPS to rule out PSU/line issues. Update the motherboard chipset drivers and, cautiously, the BIOS (follow vendor instructions). Also review Scheduled Tasks and any third‑party power utilities.

What to gather before posting followup
Event Viewer timestamps and error messages, the exact behavior (warm restart vs full power cycle), the minidump file, motherboard model/BIOS version, and whether the machine stays stable in Safe Mode. Providing those will make further diagnosis much more effective.

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Member Avatar for jayant

control panel/power management
change the time to never, simple :)

also this is a site feedback forum => not the correct forum to look for such answers.

Member Avatar for stormfrog300

Thanks for that info but already set on never.

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