Laptops forum


Dell Studio 1558 I5 Turns on but wont stay on : (

by grannville / April 14, 2013 3:21 AM PDT

Hi Guys,

I bought a dell 1558 studi laptop and when I turned it on the fans were running like crazy, I installed speed fan and the cores (i5) were at 60 deg at idle.

So I thought, hmm new thermal paste.

Bought some Arctic silver, cleaned it with the Arctic cleaners and skimmed it on as usual.

I replaced the GPU and 2 smaller chips thermal stickers with Pyobia 7wt and slapped it back togther - jobs a good un.

But when it turns on from stone cold, windows starts up and goes to desktop. I can run speedfan and the cores are at 45degs, the fans then kick in successively faster and then the sceen goes black - computer still powered up fans running.

If I then restart it takes less time for the screen to go black - fans now running at vmax

It will happily sit in the Bios screen like a champ, (fans on max mind).

Is it goosed? sometimes It flickers a BSOD but I dont have time to read it before it pegs out.

Any ideas?

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Clarification Request
I'm confused.
by R. Proffitt Forum moderator / April 14, 2013 3:24 AM PDT

Just bought = warranty. Why are you doing all this work?

I'm left to guess the unit was a dead one and you got it to fix. From the sounds of this I would be changing the motherboard and testing the battery as it might be worn out.

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by grannville / April 14, 2013 3:27 AM PDT
In reply to: I'm confused.

Sorry Bob, yeah twas second hand.

Got another battery from my 1555 which does the same.

Seems strange it seems to be overheating but speedfan show temps at 50 max.

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Then let's discuss
by R. Proffitt Forum moderator / April 14, 2013 3:51 AM PDT
In reply to: Yeah

If you have been around the block a few times you learn that parts can become heat sensitive. A part for what ever reason could fail at a lower temp than a good one. Once in a while a new tech will be sorely confused about this area but the more repairs you do the more likely you will find a part that needs to be chilly to work.

You also seem to be fixated on just the CPU temp. As other parts can be heat sensitive your better tech owns a laser spot thermometer so measure the other parts too.

As to the battery, a laptop can run without it so we always test with and without.

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