Dell c640 repair manual

Dell Latitude C610/C510 Service Manual - ELHVB

I’m very familiar with taking these apart and when this first occurred I suspected a clogged cooling system. hmmmm…so I’ve been looking for anything out of the ordinary on the motherboard but everything is tht and looks clean.

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The only thing that “SOUNDS” suspicious to me, is that sometimes I can HEAR the power when I plug it in, a very faint hh pitch ringing noise….

<u>Dell</u> Latitude C540/<u>C640</u> Service <u>Manual</u> -

Dell Latitude C540 C640 Service Manual Elhvb -

It shuts off all the time and can usually only get windows loaded and it’ll shut rht off, then it will turn on and turn off rht away at boot.

Dell Latitude C640 Manuals -

So if you could give me any insht on this it would be a great help!

Dell c640 repair manual:

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