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JohnnyX
Paper Tape
Posts: 6
Registered: ‎10-01-2014
Location: Greece
Views: 1,187
Message 1 of 4

G510 : CPU frequency stuck at 738Mhz when power adapter is connected

Hi

I'm very frustrated

I havea serious problem with my G510 i7 4700MQ .

When i plug the power adapter the cpu frequency is set 798 Mhz

When i UNplug the power adapter i can reach maximum 2.4 Ghz

Obvisously i cannot get turbo 3.4Ghz at all.

Graphics adapter frequency is also drops to 200 Mhz when i plug the power adapter.

What is going on ?

Is there a fix ..or is it a buggy notebook ?

My bios version is 3.05 and i know that the newer version is 3.09 but bios update is only available in Windows 8.

I've got windows 7

intel processor diagnostic tool shows FAILED when accessing cpu frequency

 

Giannis

JohnnyX
Paper Tape
Posts: 6
Registered: ‎10-01-2014
Location: Greece
Views: 1,162
Message 2 of 4

Re: G510 : CPU frequency stuck at 738Mhz when power adapter is connected

I updated the bios to 3.09 , but no luck. Same problem again

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JohnnyX
Paper Tape
Posts: 6
Registered: ‎10-01-2014
Location: Greece
Views: 1,153
Message 3 of 4

Re: G510 : CPU frequency stuck at 738Mhz when power adapter is connected

Totally unbelievable . The problem was caused be a universal power adapter giving about 75-80 Watts .. i tested another one rated 95 Watts...but if you want to use a universal adapter you really want a big thing..135 Watts !!!

Johnny5X
Blue Screen Again
Posts: 2
Registered: ‎03-25-2018
Location: GR
Views: 174
Message 4 of 4

Re: G510 : CPU frequency stuck at 738Mhz when power adapter is connected

The solution i found 4 years after that

Download ThrottleStop and disable BD PROCHOT

4 years i was suffering when i plugged the OEM adapter

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