Upgrading the processor on the Satellite U200

I have a PLUA0C U200-PT300E and I would like to upgrade the processor in it. I bought a T7200 processor on eBay since it was the most powerful available for laptops U200/U205 CPU. However, when I installed it, I came across a series of problems. First the fan would run at full speed and the computer would briefly have blue screen after Windows loading and then it could restart. He just kept this again and again. I ran MEMTEST because I wasn't too sure about what the issue was. The computer locked up during the test, and then I was unable to restart it. I replaced the processor with the an original T2300E, then the cimputer starts and ran perfectly.

Any ideas why this happened? Was the defective CPU? Both the U200 and U205 come with the Intel 945 GM Express chipset and I have the latest Toshiba BIOS for the U200/U205 (v 3.70) so it doesn't seem to be compatibility problems.

I wonder if it is the CPU that my own past experience if a CPU is not compatible with a chipset then the computer or the other does not start or it will give errors as soon as it publishes. However, this would be POST and would start to load Windows before it crashed.

I m didn't ask you with all these questions. Why you not a not post here until you have made the decision to upgrade CPU?

In any case, I think that the answer to your questions, you will find under http://aps2.toshiba-tro.de/kb0/TSB9401AX0001R01.htm
Please read carefully what Toshiba guys talking about CPU upgrade.

Tags: Toshiba

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    Where is the memory located on this model that cannot see with any panel removableable?

    Ta

    Do you mean the Satellite U200?

    The RAM slots are placed under the keyboard. You must remove the keyboard (between the keyboard and the LCD) support, remove the screws that attach the keyboard and then remove the keyboard.
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    I have no experience with disassembly laptop, go a local ASP and ask a technician for help.

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    I would like to tell my experience with the updated BIOS with my Satellite PRO U200-126.
    I bought this computer last year, this is a Core Duo, not a Core 2 Duo processor. It has been working perfectly with Windows XP Professional.
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    The first step was to upgrade the BIOS. My U200 had BIOS version 1.40 installed, and I flashed the computer with version 3.40 available in time on the Web from Toshiba website. I installed the new hard drive and started a new installation of Windows Vista.

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    Fortunately enough, I found BIOS version 1.40 on the Toshiba US website. It was not exactly the same as I had before because it showed a generic start-up Logo Intel, while my original BIOS showed the Centrino Duo logo. The version and date were OK, and I flashed the BIOS on my computer. He went everything is OK

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    At the end of the story, I would like to add a few comments.
    I saw the sale the new U200 with Windows Vista preinstalled Toshiba. The new U200 has a Core 2 Duo processor, so I guess that the motherboard will be somewhat up-to-date.
    I put t have a new U200, but I think that this new version doesn t suffer from the issue of suspension-recovery.
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    Kind regards

    Antonio
    ROME (Italy)

    Dear Antonio

    Thanks for you long interesting history.
    As you probably know not this forum is just a user-forum user and I'm afraid that you won't find anyone from Toshiba here m.
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    PS; Don't download and install the BIOS from other sources. European portable computers to use the BIOS from the Web of Toshiba Europe site!

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