ThinkCentre Edge 71, Power LED does not switch off

Since I have installed win7 64bit, the pc does not switch off after Power down command. For switch off i must hold the power button >10sec.
Thanks for Help.

Hello Walter,
Please update the BIOS which will resolve the issue.
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/thinkcentre_bios/9qjy36usa.exe
You may also try the Windows registry setting. Kindly be careful while editing windows registry.
Have a look at the following registry location (note that you need to invoke regedit.exe with administrative privileges in order to make any changes in this location) and ensure that the value ClearPageFileAtShutdown is set to 0 (if it is set to 1, change the value to 0).
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
Best Regards,
Tanuj
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