drvasili Posted April 29, 2019 Share Posted April 29, 2019 (edited) Hi I have a Lenovo z710I upgraded my Bios with a modded bios, to unlock futuresAfter several normal boots, to see it's working goodI entered yesterday, Bios, and only enabled,, overclocking and 3-4 other disabled futuresAfter i tried to boot, I listened a big noise from fan working at maximum, screen remains black,, after 1 minute, power closes, it starts again - closes again,,, I removed laptop external battery, power supply, i pressed power button 1 min for hard reset, to remove electricity from internal circuitsI opened the laptop bottom, removed CMOS battery, for 12 hours, put a coinI removed and put again my ram, 2 sticksI put again the CMOS battery, and power cordLaptop starts immediatelly alone, same problem , screen black, fan working at maximum, big noiseI can't enter Bios with Novi button or Fn R or Fn F1 or Fn F2How can, I reset Bios to factory presets, if it's not affected by CMOS battery,Do I have to sort Bios EEPROM??Any other way?? Edited April 29, 2019 by drvasili error Quote Link to comment Share on other sites More sharing options...
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