Thermal Paste and Overheating

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Spyder171

Spyder171

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Jan 6, 2013
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20140326_162249.jpg

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I recently took on the task of reviving my Nana's old computer. I changed the dead PSU and cleaned the inside out with compressed air. I disconnected the CPU fan and now when the computer runs after a few minutes the fan kicks up to full blast and then just shuts down. Looking at these pics should I use a Qtip and rubbing alcohol to clean the surface of the fan and CPU? Would it be then safe to apply a thin coat of thermal paste I got with my EVO 212? Thanks.
 
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senkasaw
Lol, I was totally just thinking of trying that very same thing!

hmmmm...Sounds like overheating (used to get that same behavior with my stock intel coolers if one of the pins was not secured). Does it boot all the way up? Enough to grab some temps? Try reseating the sink I guess :(

oh wait...the computer turns off or the heatsink fan turns off after a minute?
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senkasaw

senkasaw

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Yep, use a qtip and rubbing alcohol to clean the heat sink surface as well as the back of the cpu. Let it dry then apply a little bit of thermal paste (follow the instruction the paste has...for arctic silver I would just use a small bead about the size of a grain of rice, not sure about what comes with the 212 though). Make sure the sink is firmly attached.
 
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Spyder171

Spyder171

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Okay so I got this all done. Now I set the CPU cooler back on but only one screw will tighten down. The other 3 won't take. I'm pretty sure the alignment under the Mobo is messed up but I see no way to get to it. Ideas?
 
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Spyder171

Spyder171

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No no, it's a stock CPU fan on an Inspiron 546. I took the fan off to clean it and now I can't get 3 of the holes to line up, assuming the bracket moved underneath. The case is riveted so I can't get access under the Mobo
 
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Spyder171

Spyder171

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GOT IT! I had to twist the one screw tight and loose. It wiggled it enough to swing one bracket around lol. My problem now is this: the CPU fan goes full blast when loading. After it calms down and a minute later it kicks up again and finally just turns off.
 
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senkasaw

senkasaw

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Aug 2, 2010
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Lol, I was totally just thinking of trying that very same thing!

hmmmm...Sounds like overheating (used to get that same behavior with my stock intel coolers if one of the pins was not secured). Does it boot all the way up? Enough to grab some temps? Try reseating the sink I guess :(

oh wait...the computer turns off or the heatsink fan turns off after a minute?
 
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Spyder171

Spyder171

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Jan 6, 2013
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Okay retightened it down, now the fan is normal :) no random shutoffs! Thank you very much haha. Yea its funny, just messing with the CPU fan and heard the brackets slide. Saw one line up and was like WINNING haha.
 
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