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Windows 7: changed CPU in old pc, issues

15 Nov 2012   #1
Chalky Emultion

 
changed CPU in old pc, issues

hi,

I have a pc with an Asus P4S8X motherboard (socket 478).
Today I replaced my Pentium 4 2533 MHz with a Pentium 4 2800 MHz, but... all is slower! also I can see lag when i'm surfing in my BIOS options...

Why this is happening?


My System SpecsSystem Spec
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15 Nov 2012   #2
AddRAM

Windows 7 Professional x64 Service Pack 1
 
 

Does that cpu support hyperthreading ?

Is hyperthreading enabled in the bios ?

It sometimes gets disabled when you swap a cpu.
My System SpecsSystem Spec
15 Nov 2012   #3
Chalky Emultion

 

both CPUs have got a Northwood core, which does'n support Hyperthreading. They are in the same Pentium 4 family, just one has a little better frequency than the other.

I can see lag not only in Windows, but also in BIOS!
My System SpecsSystem Spec
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15 Nov 2012   #4
Zepher

Windows 7 Ultimate 64bit
 
 

Did you clean off the old thermal paste and put new paste on the CPU?
If not then it may be getting too hot and throttling to keep from overheating.
My System SpecsSystem Spec
17 Nov 2012   #5
Chalky Emultion

 

Quote   Quote: Originally Posted by Zepher View Post
Did you clean off the old thermal paste and put new paste on the CPU?
If not then it may be getting too hot and throttling to keep from overheating.
I did it... Nothing.
I re-installed the old cpu, which is a lot faster...
My System SpecsSystem Spec
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 changed CPU in old pc, issues




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