Laptops forum

Question

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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Collapse -
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.
Bob

Collapse -
Yeah
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.

Collapse -
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.
Bob

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