CPU drops to 0 Ghz

Pieterkl

Honorable
Nov 7, 2013
2
0
10,510
Hi guys,

I've got an HP ProBook 450, all stock. Win10 enterprise edition.

My problem is that all of a sudden the CPU drops from 2,30 Ghz to 0,31 Ghz or lower. It's getting harder to work with the laptop, since the speed won't come up again.

Things i've tried:

- Installed Windows 7, same results
- Kill services: Superfetch and Windows Search
- Tried with and without battery
- Tried all new drivers from the HP website
- Reinstalled Windows 10, same results
- BIOS reset (update isn't possible)
- Installed HWmonitor, no temperature exceeding normal rates

In safemode the CPU keeps a steady pace and I can't find any processes which can make the CPU drop so low.

Please help!
 

t53186

Distinguished
Aug 6, 2006
140
1
18,710
Laptops are designed to minimize power consumption and you may not be able to achieve your desired result, However you can modify the power plan a bit Take a look at power options. Control Panel > System and Security > Power options > Change advanced power settings > advanced settings tab > Processor power management. Try upping the Minimum power state. Be aware your battery will drain quicker.
 

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