-=PCTechTalk=- Re: AMD CPU Fan Change = System Fail

If the 'cylinder type unit' you refer to is an Orb fan and heatsink, 
those are basically crap, because they just don't cool well at all. 
Also, there has been some question as to whether the clamping is 
adequate for an AMD processor.  I'd chuck it and use the original fan 
and heatsink.

If the system will not boot up, remove the fan/heatsink assy and then 
remove the CPU.  Carefully examine it around the central chip to see if 
it is cracked.  Too much clamping force has been known to crack the CPU, 
rendering it useless.

Also, since you've been pressing on the motherboard and mucking about in 
the innards, so make sure all cards are properly seated and all ribbons 
and cables plugged in.

Tom

Davisunit wrote:
> System is a MSI K7N2G mobo and AMD Athlon 2000+ cpu.  After changing the 
> heatsink/fan assembly with a cylinder type unit, the system refuses to 
> boot up.  Fan and hard drive spin up, but it doesn't go far enough to 
> send a video signal to the monitor.  I've cleared the CMOS; swapped ram, 
> video card and cpu/heatsink/fan only to see same results.  I can't 
> believe this severe of a failure can happen just by changing the 
> heatsink/fan assembly.  Any ideas why?
> 
> Terry


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