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Windows 7: BSOD & Unplanned shutdown. (Kernel power event 41)

07 Dec 2011   #1

Windows 7 Home Premium 64bit Service Pack 1
BSOD & Unplanned shutdown. (Kernel power event 41)

I have just upgraded my PC as follows:
  • New clean HDD & installed Windows 7 Home Premium 64bit (was Vista)
  • Memory increased from 4 to 16Gb.
Initially, all seemed well. (A couple of days) After many Windows updates, I had the start of many unexplained shutdowns & re-starts. On a few occasions, Windows Explorer has quit & restarted, but the PC has stayed on. Most times the PC was being used lightly or idle.
I have run memtest, disk checks etc, but no problems identified. Kernel power event 41 is noted in log.
Any help would be much appreciated!

My System SpecsSystem Spec
13 Dec 2011   #2

Windows 7 Home Premium 64bit Service Pack 1
Any ideas?

Hi, I would really appreciate a reply to my previous post if anyone has any advice to offer. I have still not solved the problem & don't know what else to try, having contacted most suppliers of the components in my PC! Can anyone advise how to test the power supply?
I have re-fitted the original HDD with Vista 32bit installed, but retaining the new 16Gb memory, and have had no problems in 3 days.
Thanks for any advice
My System SpecsSystem Spec

 BSOD & Unplanned shutdown. (Kernel power event 41)

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