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  1. aglowacki
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    M4800 Owner's Thread

    I had "allow BIOS downgrade" option turned on. Looks its not possible to flash A06 so i went back to A16 and will have to use 180W power supply....
    Post by: aglowacki, Dec 31, 2015 in forum: Dell Latitude, Vostro, and Precision
  2. aglowacki
    Post

    M4800 Owner's Thread

    I tried "enable legacy UEFI ROM" option but no change. Cant find any other option. BTW. On bios A10 fans are active more often and on higher...
    Post by: aglowacki, Dec 30, 2015 in forum: Dell Latitude, Vostro, and Precision
  3. aglowacki
    Post

    M4800 Owner's Thread

    I managed to get and install A10 but A09 is blocked. Maybe there on newer M4800 its not possible to go lower than A10...
    Post by: aglowacki, Dec 30, 2015 in forum: Dell Latitude, Vostro, and Precision
  4. aglowacki
    Post

    M4800 Owner's Thread

    Yes 10 and 12 are missing. I installed A11 but installing A09 fails, so maybe A10 would help but i cant find it anywhere.
    Post by: aglowacki, Dec 29, 2015 in forum: Dell Latitude, Vostro, and Precision
  5. aglowacki
    Post

    M4800 Owner's Thread

    I managed to downgrade to A11. Tried A9 and A6 but both failed with message "BIOS upgrade blocked due to unsupported downgrade"
    Post by: aglowacki, Dec 29, 2015 in forum: Dell Latitude, Vostro, and Precision
  6. aglowacki
    Post

    M4800 Owner's Thread

    I was only able to downgrade to A13. Next available downgrade on DELL site is A09 and its fails.
    Post by: aglowacki, Dec 29, 2015 in forum: Dell Latitude, Vostro, and Precision
  7. aglowacki
    Post

    M4800 Owner's Thread

    When flashing a message appears: "BIOS upgrade blocked due to unsupported downgrade"
    Post by: aglowacki, Dec 28, 2015 in forum: Dell Latitude, Vostro, and Precision
  8. aglowacki
    Post

    M4800 Owner's Thread

    I have a brand new m4800 but i have problems with running it with 90w/130w power supply as cpu stays at 800mhz. I read that bios a06 fixes the...
    Post by: aglowacki, Dec 27, 2015 in forum: Dell Latitude, Vostro, and Precision
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