Installing new CPU trouble

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AlenO

Honorable
Jan 23, 2014
7
0
10,510
Hello,
I have an Compaq Presario CQ56 with a bad/defunct CPU. I installed an AMD Athlon 2 CPU, but I'm affraid I put too much thermal paste on it and it spilled over the chip (pictures).
I cleaned it as much as I could and put it in the socket, turned the comp on and it gave "CPU Fault Error" code with WiFI LED amber and CAPS LED blinking once every 2-3 seconds.

Is the CPU dead or do I need to clean the paste more throuroughly? Any ideas how to clean it off?

LP
Alen

Pics:
2014-06-24140936.jpg

2014-06-24141150.jpg
 
Solution
C12Friedman
To clean off the thermal compound, first use a dry, lint-free cloth/tissue, you should be able to clean up ~90% of the TIM with that. A toothpick can be used to clean the joint areas (and the IC where the thermal compound oozed onto it - I see that). Last I'll suggest going over the whole top side with isopropyl alcohol using a very soft toothbrush. Wait 6-8 hours for the alcohol to evaporate completely before attempting a re-install of the CPU.
Once the CPU is installed with fresh thermal compound, clear CMOS, then restart
To clear CMOS, find the watch battery connected to the motherboard, remove it's connection for 10 seconds then plug it back in.
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C12Friedman

C12Friedman

Glorious
Jan 25, 2012
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To clean off the thermal compound, first use a dry, lint-free cloth/tissue, you should be able to clean up ~90% of the TIM with that. A toothpick can be used to clean the joint areas (and the IC where the thermal compound oozed onto it - I see that). Last I'll suggest going over the whole top side with isopropyl alcohol using a very soft toothbrush. Wait 6-8 hours for the alcohol to evaporate completely before attempting a re-install of the CPU.
Once the CPU is installed with fresh thermal compound, clear CMOS, then restart
To clear CMOS, find the watch battery connected to the motherboard, remove it's connection for 10 seconds then plug it back in.
 
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Solution
A

AlenO

Honorable
Jan 23, 2014
7
0
10,510


Hi,
sorry for a late answer.
The solution worked. The laptop runs smoothly-ish. :)

Thank you for the reply.

LP
Alen
 
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