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Troubleshooting a laptop..help!!



 
 
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Old January 6th 05, 07:08 PM
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Default Troubleshooting a laptop..help!!

I am currently trying to troubleshoot a laptop that has some issues!?!

Some background: In August 2004 the laptop I was using (a good spec
2.2Ghz- though a desktop processor) was running quite hot (this may be
coincident) just quit in a flash - as if someone had pulled the power.
I restarted, which it did..and then some minutes later it quit again.
Then on pressing the power button the HDD light would illuminate and
you can hear the disk spinnning up, also the fans on the bottom of the
laptop would turn briefly then stop. There was no 'beep' and the screen
remained black. I took it to a pretty useless computer technician who
tested the HDD (it is ok..I've used it in another machine) and reported
that the processor must be bad. I put the laptop on the shelf..

Ok...fast forward to yesterday..I finally get around to looking at it.
I figure I can pull the processor and test it in my desktop machine..I
do this and it works fine! So I put it back into the laptop and whoa
the thing starts up no problem! I proceeded to setup a network with
the destop machine and the thing is definitely running ok. Then after
say 5-6 restarts of the machine (each time no problems) I leave it on
and the screen goes into powersave mode..and seems to lockout - no
amount of button pressing or mouse moving changes anything. In the end
I let the battery go flat and the laptop goes off -still with screen
remaining black..

When I try to restart I have the same symptoms I had in August...

This has got me a bit baffled...I know a little about computers though
not too much about the CMOS and BIOS setup..I was thinking the CMOS
battery may have died (another small amount of info - when the laptop
ran again yesterday for the first time windows advised me the date and
time was incorrect)

Would this give these symptoms? Or has anybody any other ideas? Problem
with BIOS? I get no POST screen at all...

I will really welcome any suggestions!! (both for what is the
problem..and the solution)

Thanks
Grant

And yes of course August was just outside the warranty...

 




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