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Old PC can not shut down, reboots instead

asked 2014-11-03 03:01:11 -0500

pnadk gravatar image

updated 2014-12-23 12:19:40 -0500

mether gravatar image

I have installed Fedora 20 KDE on an old Lenovo ThinkCentre M52 (a P4 pc with 2GB RAM). Everything works out of the box but there is something odd: When I try to shut down the machine, it looks like it does that, but 5 seconds after it seems to have powered off, it starts up again. This happens only when I have a USB WiFi adapter attached. The USB mouse and keyboard do not cause this. The machine dual-boots with Windows, and from there power off works fine. I have updated BIOS and Fedora is up to date as well.

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answered 2014-11-03 03:52:03 -0500

SDas gravatar image

It seems that you have problem with your USB wifi adapter driver. From your above discussion I think your USB wifi driver is in-compatible with the system you should google for a better driver or see the manual page of the USB wifi manufacturer for supported OS and driver.

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The reboot happens after the PC seems to have powered down, and I have tried with two different USB WiFi dongles with same result. So I am not sure the WiFi driver is at fault, but guessing it must have something to do with the power management ACPI.

pnadk gravatar imagepnadk ( 2014-11-03 04:49:01 -0500 )edit

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Asked: 2014-11-03 03:01:11 -0500

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Last updated: Nov 03 '14