Tuesday, August 21, 2018

windows 7 - Laptop Running Slower Without Battery Attached

I have a Thinkpad T520 and I'm monitoring my CPU using CPU-Z.


For some reason, when I detach the battery, the CPU only run till 800MHz. Whereas when I run using battery power, it goes up to 2.3GHz. I notice the difference in speed when I take the battery out. This is the reason why I investigated in the first place.


Any ideas on what's going on?


Specs:
Windows 7
Thinkpad T520
6GB DDR3
Core i5-2410M
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