Change processor

Dear,

Please help me!

I have updated my system.
First with a ASUS P5Q SE Plus MB, a ASUS EN GTS 250 1G Grafic Card, 2x OCR 2GB memory (5-5-5-15) and Windows 7 Professional.

I have put my Dual Core 6400 back into the new MB. Installed everything and everything runs smooth and stable.

I have updated all drives, BIOSes and chipset updates. And still everything was fine. All installed software runs perfectly.http://img.tomshardware.com/forum/uk/icones/smilies/bounce.gif

After another month I updated the processor to the Q9550. During start up the BIOS asked to use Default settings. I confirmed and when the 'Desktop' shows, the troubles started.http://img.tomshardware.com/forum/uk/icones/smilies/fou.gif

I got Blue Screan of Deadth of BSOD with several codes (0X0000003b, 50, 24, 0a, 7e; most of the time it was 3b).

I was confused because the 6400 was doning great and the new (faster one) gave big troubles.

I went back to the after sales department of the sales company. They told me that they have tested it (even twice), but nothing seems to be wrong with the processor.


Can somebody give me a clue what the problem is and, even more important, the solution?


Many thanks and best regards,
Ron
8 answers Last reply
More about change processor
  1. Typically a BIOS update solves this type of problem.
  2. Couple things come to mind here.

    1. Did you possibly bend a pin in the motherboard?

    2. Is the heatsink/fan properly seated?

    3. You may have updated the BIOS to a version that does not support the Q9550, try another BIOS version. (maybe one below the one you are currently at)
  3. Typically, I'd agree with you, Vanekl, but 1) The OP already stated he updated the BIOS (not sure why) and 2) according to the CPU Compatibility list on the ASUS web site, both processors were tested OK using the original BIOS (1407). So, unless the OP actually has a Q9550s, the original BIOS should work for both CPUs.

    @rwjuijlenbroek - If you could verify what BIOS version you are running, it might help.

    -Wolf sends
  4. Wolfshadw said:
    Typically, I'd agree with you, Vanekl, but 1) The OP already stated he updated the BIOS (not sure why) and 2) according to the CPU Compatibility list on the ASUS web site, both processors were tested OK using the original BIOS (1407). So, unless the OP actually has a Q9550s, the original BIOS should work for both CPUs.
    -Wolf sends


    Sorry, I missed that.

    The second thing I would try is swapping out the GTS 250 for a low-end video card and see how that affects your system. Preferably a non-Nvidia video card so that you would be using a different video driver.

    Also try booting up in safe-mode.
  5. I would also try turning off as many non-essential services as possible and see if that has any affect.

    The reasoning is that you are blue-screening when services are being started.

    Also check your system logs for errors.

    Does Device Manager show any warnings?
  6. vanekl, changing out the video card and killing processes will not have anything to do with what he has going on here as none of this effects changing the CPU at all...
  7. jonpaul37 said:
    vanekl, changing out the video card and killing processes will not have anything to do with what he has going on here as none of this effects changing the CPU at all...


    You may be right, but look at the time that the blue screen occurs: at the same time that services are being started. It's worth a shot, and it certainly wont hurt anything. The more tests, the more information.
  8. Try a reformat or maybe check your bios settings
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