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IBM notebook wont boot

post #1 of 5
Thread Starter 
Its an IBM Think pad, not sure on all the specs but I do know it has a Pentium M Dothan 1.7Ghz.

The laptop will not boot up. When you turn it on, nothing happens. The lights on the keyboard bezel light up, then nothing.

He says he can get it to boot sometimes, but it takes a while. He has to power cycle it (turn it on, off, on, off) until it finally boots. He knows it will boot because the CD-ROM drive's "read" light starts to blink, and it'll boot. I was unsuccessful in getting it to boot however.

He also mentioned he would slap the top of the notebook sometimes to get it to boot (right above where the hard drive is)

I took the laptop apart, looked around for anything loose/broken and found nothing. Removed the hard drive and put in one of my spares. No change.

I removed the hard drive and tried to boot it hard drive-less, no change.

I even tested the cmos battery, it was good. 3+ volts.

Any suggestions?
post #2 of 5
Check the mobo for blown capacitors or damaged connections.
post #3 of 5
Thread Starter 
Where is the s/n for the motherboard located on here?
post #4 of 5
. minimum is sharing the model number
. service guide can be found many times by visiting IBM support site
. side note: symptoms in OP can be attributed to a "loose" ram socket/seat

cheers ...
post #5 of 5
Thread Starter 
Its a T-42 Type 2373; I thinking it's a bad motherboard.

Sometimes the computer will turn on, sometimes it wont and even less times it will boot.

I tried both RAM slots (top one and bottom one) and nothing, still same symptoms. Sometimes, sometimes not.

With AC, with Batt and with both. No change.

The model I have is the ATi 7500, so I think I'm going to get him one of the boards with a 9000 or 9600 Ati integrated graphics card, with one of the bigger heatsinks that cover that area; so he can get a little more out of his aging system.
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