please help me ,boot blank screen,acer Extensa 4220

Discussion in 'BIOS Mods' started by rakan1100, Nov 29, 2009.

  1. rakan1100

    rakan1100 MDL Novice

    Nov 28, 2009
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    Hi guys,

    When I followed this Thuvn's method.


    when restarted have a blank screen doing nothing please help followed all

    instruction

    my laptop :acer Extensa 4220
     
  2. rakan1100

    rakan1100 MDL Novice

    Nov 28, 2009
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    Thuvn's method.
     
  3. rakan1100

    rakan1100 MDL Novice

    Nov 28, 2009
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    #3 rakan1100, Nov 29, 2009
    Last edited by a moderator: May 23, 2017
    (OP)
  4. FreeStyler

    FreeStyler MDL Guru

    Jun 23, 2007
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    #5 FreeStyler, Nov 29, 2009
    Last edited by a moderator: May 23, 2017
    Clearing the CMOS works sometimes, i have been able to recover from a bad bios flash by switching the CMOS jumper (clearing it) on the motherboard

    what kind of bios is it?
    You should have a recovery disk handy after clearing cmos
    http://forums.mydigitallife.net/threads/2105
     
  5. rakan1100

    rakan1100 MDL Novice

    Nov 28, 2009
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    I don't know.

    but, my laptop :acer Extensa 4220

    I tried but did not benefit


    please help me
     
  6. Yen

    Yen Admin
    Staff Member

    May 6, 2007
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    Have you removed the battery at least half an hour and retried?
     
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  7. domatlapuk

    domatlapuk MDL Expert

    Sep 12, 2009
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    Remove the battery and leave it for atleast 15 mins then try to access bios setting, clear CMOS and set bios setting by default... hope will help..
     
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  8. andyp

    andyp SLIC Tools Author

    Aug 8, 2008
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    #9 andyp, Nov 29, 2009
    Last edited by a moderator: May 23, 2017
  9. Michel

    Michel MDL Expert

    Jul 29, 2009
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    Maybe his board whas protected, a few months ago i flashed a laptop who whas protected and i couldnt do anything....i send it to repairs and got a new mobo.
     
  10. Rowlee

    Rowlee MDL Novice

    Aug 3, 2010
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    pls help! i have the same issue as well, as i wanted to remove the BIOS Pw, i also followed the same procedure, i was able to remove the pw but the screen went blank after i restarted my acer 4220 extensa laptop. i tried to follow the tips on the other thread but seems no luck.. pls help!!