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  Sony Vaio GRZ630 and GRX550 shut down after about 20 to 30 minutes of use. 
 
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Brian Richter Jun 07, 2006, 11:07pm EDT Reply - Quote - Report Abuse
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I cleaned the CPU fan and heatsink on both laptops. They boot up fine in windows XP, but after 20 to 30 minutes they just shut down. I hear a intermittent whirring noise on the GRX just before shutdown. I have sonys powerpanel enabled on both laptops. I also use cooling pads for both of them. I want to sell them, but would like to fix them beforehand. I've had them for about 1 to 2 years havent had any problems until now. Anyone have any ideas what may be wrong?

Thanks
Brian


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Laptop Willie Jun 08, 2006, 09:37am EDT Reply - Quote - Report Abuse
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>> Re: Sony Vaio GRZ630 and GRX550 shut down after about 20 to 30 minutes of use.
Will the unit(s) power on right after shut down? If so you might want to check the shut down in the power options. This can tell the unit to shut down after a time if you are not using it. In laptops, there should be two areas, one with the AC adapteer connected, and one with just the battery. In XP, you would select control panel, then power. This should display the present settings.

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Brian Richter Jun 08, 2006, 02:01pm EDT Reply - Quote - Report Abuse
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>> Re: Sony Vaio GRZ630 and GRX550 shut down after about 20 to 30 minutes of use.
The GRZ610 takes about 1 hour before it will boot up again, the GRX will start up but shut down in about 5 minutes or less. I have the shutdown disabled in power panel, I have the GRz set to quiet, I know they have thermal problems. I wish Sony had put a mobile CPU insead of a desktop one in that laptop. I used arctic silver ceramique on both laptops heatsinks. I'm thinking it might be a memory slot problem?

Thanks
Brian

Laptop Willie Jun 08, 2006, 07:36pm EDT Reply - Quote - Report Abuse
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>> Re: Sony Vaio GRZ630 and GRX550 shut down after about 20 to 30 minutes of use.
I'm sorry to say that I don't think it is a memory problem. Most memory problems will happen at the same place every time. If you are running a program and get to a point in the program, it will die.

If the units have had heat related problems before, the demage may have already done to the CPU. You said that you cleaned the fan lovers. Did you take it apart to do the cleaning? If so, did you use heat sync compound on the head sync before replacing it. If not, then the heat exchanger may still be clogged. No amount of externial fans will help if the heat exchanger fins are clogged. I feel that the problem is heat related. Because it takes about an hour for the systems recover after they have been on for a while. I feel that replacing the CPU's, cleaning the heat exchanger fins, and using heat sync compound when puting the thing back together, will solve your problem.

Willie
laptopwillie.com

Laptop Willie
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Kim Utsunomiya Dec 29, 2006, 10:59pm EST Reply - Quote - Report Abuse
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>> Re: Sony Vaio GRZ630 and GRX550 shut down after about 20 to 30 minutes of use.
Here also in Japan, I have same shut down problem. If I could solve it, I'll report you.

Laptop Willie Dec 30, 2006, 09:43am EST Reply - Quote - Report Abuse
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>> Re: Sony Vaio GRZ630 and GRX550 shut down after about 20 to 30 minutes of use.

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