Dell G3 3779 laptop - limit cpu in bios to 90-99%

Discussion in 'BIOS Mods' started by steffxxx, Oct 17, 2019.

  1. steffxxx

    steffxxx MDL Novice

    Mar 16, 2013
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    Hi

    Can anyone help me to limit the cpu in dell bios of g3 3779 laptop to 90-99% ? The laptop has a problem and it will connect/disconnect continuously from AC adaptor/charging when CPU is being "used" at 100% (even if not 100% sometime). I've done everything to find the fault but I think something is wrong with the motherboard and once I set 90% max cpu performance in power settings in win10, no more problems, I then upped the limit to 99% and still worked perfectly (tested with prime95), if I max it to 100% cpu performance it does again but once I set 99% even with prime95 the battery is charging/no more disconnection issues (I replaced the battery but same issue)

    I noticed the connecting/disconnection from charging once in bios as well if I restart the laptop right after being used at 100% for a bit then go to bios. If I reinstall windows I will have to set again the cpu limit to 99% in windows but if I do it in bios it will be safer Smile

    There is no setting in bios as with most dell devices to play with cpu mhz/voltage etc. Is there any way to limit the cpu in bios by a mod/hack ?

    Thank you very much
     
  2. coleoptere2007

    coleoptere2007 MDL Guru

    Apr 8, 2008
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    1,431
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    Did you already upgrade it just to see if some changes have been done ?
     
  3. steffxxx

    steffxxx MDL Novice

    Mar 16, 2013
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    yes bios updated & reset, battery removed etc, windows reinstalled and updated