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No Display after Windows 10 Update

By cotsy
Sep 12, 2015
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  1. Downloaded windows 10 one month ago. Since then screen went blank 3 times. First two times it came back after hours and the screen shown it was updating. Last time display went out, it never came back. HP is saying bios is corrupted because the caps key blinks twice. Is is the bios? or some issue with windows 10. If bios, can it be reflashed without the screen working?

    HP Envy 15t
    8g ram
    I7 fourth gen processor
    thanks
     
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    You may have to remove both the battery and the CMOS battery on the motherboard
     
  3. cotsy

    cotsy TS Rookie Topic Starter

    I am willing to try this. What will this do? thanks
     
  4. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    It may get the display back...
     
  5. cotsy

    cotsy TS Rookie Topic Starter

    No luck with removing the batteries. thanks
     
  6. prashan k

    prashan k TS Rookie

    Try to boot OS in safe mode, and let me know the hardware configuration ..
     
  7. cotsy

    cotsy TS Rookie Topic Starter

    I've tried F2, F10, F8 during start. Screen is blank. I hear something though (fan?). Thanks
     

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