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Longsh0t

Alienware M5550 Upgrade

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Longsh0t

Like many people the Geforce Go 7600 in my M5550 went out recently. I first purchased a 8600m GT 512mb and it would not get past post. I then purchased a 8600m GS 512 and I can actually boot into Windows now but after a minute or two the laptop shuts off. I have the older BIOS (2.06) installed but have not been able to install the 8600m drivers because the computer shuts off.

I thought it might have been a heat issue so I tried booting the laptop while it was sitting on top of one of the AC units in my server room at work. It still shut down after a few minutes.

I talked to an Alienware rep and was told that the M5550 can't handle the power needs of a 8600m card (I didn't tell him it was shutting down) but I've read that others have gotten the 8600m to work. Do I have a bad card? Is there anything I can try? I'm at a loss here especially since I was told by Alienware that they can't sell me a 7600 and I can't find one for sale online.

Any help would be GREATLY appreciated.

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TheAlien

I personaly think you still have a heat issue. Even though you tried it on an AC. If you have bad contact between GPU and Cooler it doesn`t really matter how cold it is outside. The GPU will overheat. Have you tried the "paper test" ? (Put a paper between your GPU and your Cooler and screw the cooler on. If you can slide the paper out easily, you found your probblem -> An "air gap".

My apologies if you know all this already...

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Longsh0t
I personaly think you still have a heat issue. Even though you tried it on an AC. If you have bad contact between GPU and Cooler it doesn`t really matter how cold it is outside. The GPU will overheat. Have you tried the "paper test" ? (Put a paper between your GPU and your Cooler and screw the cooler on. If you can slide the paper out easily, you found your probblem -> An "air gap".

My apologies if you know all this already...

Thanks for the reply. I initially thought it was a heat issue as well which is why I put it on top of the AC vent. I had very cold air blowing directly underneath the laptop which I thought would be enough to keep it cool. I left my laptop at work so I will try the paper test in the morning.

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Longsh0t

So I double checked and it looks like you were right. There was a gap between the GPU/thermal pad and the heatsink. I doubled up on the thermal pad to close the gap and it runs and stays on. Only issue now is that this is when it's in idle mode.

I installed RivaTuner and it says my GPU temp is at 71C. Once I start up a game, it jumps up 91/92 before shutting off.

What kind of idle temps are other M5550/8600m users getting? The thermal pad that came with the laptop has gotten a little dirty from removing it and replacing it so I'm hoping that getting some clean pads in there will resolve the issue.

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tom omalley

help

replaced the board with 8600m gs it was shutting off every few minutes now seems to be staying on what drivers do i need to download for this?

is your system working now?

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TheAlien

You cannot just stack several heatpads. They do not transfer the heat properly from pad to pad. You should go and buy a single special heatpad which is thicker.

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Jasperbones

Well, instead of i thicker thermal pad, you could craft a thin copper or aluminium plate to fill the space between heatsink and GPU... and of course thermal grease... i jused this trick several times in my desktop PC with water cooling

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starfish

I have a solution for that gap. U have to bore all screw on graphic card to the procesor level, they are too long, i had the same problem & i solve that i that way, 65C on stress. Works great

this is solution for all amilo pi, alienware and uniwil with "robin 2" radiator, something like this:

http://img175.imageshack.us/i/pi1536lg9.jpg/

Edited by starfish

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