Compaq Evo D500 PC Desktop Logo
Maurice N Posted on Mar 20, 2008

1801 Microcode Patch Error

I bought a Compaq Computer, 2.0Ghz, 256MB, 20GB for my College project. When i put the power on, it restarts almost immediately (so many times repeatedly). Then after such reboots, it successfully brings a message "1801 - Microcode Patch Error" and a F1-Boot directive. Pressing F1 boots properly. until next boot... the same problem. SOS

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  • franzgamz Jun 07, 2008




    Compaq Evo D500 PC Desktop has the same error when i replace my procesor from 1.7ghz to 1.8ghz


  • Anonymous Oct 22, 2008

    same thing whit me but i have a 733 mhz now upgraded to 1000 mhz



    compaq deskpro

  • dewalt2004 Apr 22, 2009

    I have a desk pro en thatI upgraded from a celeron 733 to a pentium III 1.0 gig. I get the error 1801 microcode get new bios chip upgrade from compaq.

    will a bios flahs take care of it?? help

    Dewalt2004

  • georgebaah18 May 11, 2010

    when i start my compaq computer, 266GHZ the message i recieve is invalid microcode patch,i should contact compaq. PLEASE HELP ME SOLVE THIS PROBLEM

  • Anonymous Mar 29, 2014

    Error

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  • Posted on Sep 22, 2008
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I bought a Compaq Computer, 2.0Ghz, 256MB, 20GB for my College project. When i put the power on, it restarts almost immediately (so many times repeatedly). Then after such reboots, it successfully brings a message "1801 - Microcode Patch Error" and a F1-Boot directive.

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  • Posted on May 25, 2010
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I upgraded the CPU in my Deskpro D510 to the fastest processor the model will take. After the upgrade, I got the 1801 microcode error. Downloading the newest BIOS from HP/Compaq solved the problem for me.

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A

Anonymous

Upgrade your rom bios ..

Imad, IT from l'atelier informatique, morocco

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