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Paper Tape
Posts: 1
Registered: ‎10-08-2012
Location: Vienna
Views: 372
Message 1 of 1

x201 Tablet - cpu power problem



I have the problem that whenever the systems needs more power (for example when I converte photos from raw to jepg) my sound interrupts quite often. Often I could hardly use my computer, because my courser is jumping over the screen and everything is very slow.


I have found out that the task manager says that I uses 100% of my CPU. this would explain why everything is so slow, but i guess this isn't normal.


I had a look at the event viewer and figured out that everytime before I have these problems I got the warning with event-id 37: Microsoft-Windows-Kernel-Processor-Power


The speed of processor 0 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for xxx seconds since the last report.


I saw this phenomenon with and without ultrabase and with and without battery mode.


I used several different power profiles.

I did a clean install and installed all drivers with lenovo systemupdate (except: Intel AMT 6.0 - Management Engine Interface and Serial Over LAN (SOL) Driver, ThinkVantage Active Protection System)


my system: 


x201 Tablet

windows 7 professional 64 bit - sp1

Bios Version: 6QET69WW (1.39 )

4GB Ram

Samsung SSD 380


I use Kaspersky Internet Security 2012


could anyone help me, or does anyone has an idea where to start to solve this problem.



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