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    Aspire 5742g blank screen after turning off HyperThreading

    Discussion in 'Acer' started by peraxx, Feb 23, 2013.

  1. peraxx

    peraxx Notebook Enthusiast

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    I was messing around with a modded 1.30 InsydeH2O BIOS and I disabled HT and after saving changes and restart, the screen was blank like if it wasnt being powered on. I tried doing a BIOS recovery using the 1.27 BIOS and the 1.30 BIOS but nothing worked. What i did was:

    -Put PEW71x64.fd (also renamed to PEW71.fd) on CD and FAT Formatted 2GB (I also tried a 4GB USB but I read that it wouldnt work) USB FlashDrive
    -Unplug AC adapter and remove Battery
    -Insert FlashDrive onto any of the USB Ports
    -Hold FN + Esc and press the power button
    -Release FN + Esc when the USB FlashDrive light flickers
    -Wait until the Notebook turns off (About 45 seconds after turn on)
    -Try powering on the Notebook again (Same blank screen as before trying BIOS recovery)

    Please help :(
     
    peraxx, Feb 23, 2013
    #1
  2. k3bli

    k3bli Newbie

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    I have the same Problem with my Packard Bell tk85
    please help Us ;((
     
    k3bli, Mar 4, 2013
    #2
  3. downloads

    downloads No, Dee Dee, no! Super Moderator

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    You have to remove CMOS battery or short pins to clear BIOS settings.
     
    downloads, Mar 5, 2013
    #3