HP 8770W 456.55 Drivers For GTX 980M LATEST 9/30/2020

Discussion in 'HP' started by anthdawg5443, Sep 30, 2020.

  1. anthdawg5443

    anthdawg5443 Notebook Enthusiast

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    Hello! i made a previous post about the about a month old drivers and seen there was an update so i decided to post them here again for anyone who finds them helpful so ENJOY! Same steps as last time :)

    (you can disable all after steps are completed)

    1: Open command prompt as admin and type -
    bcdedit -set TESTSIGNING ON
    to allow test signing

    2: Hold Shift and click restart under power options and continue holding shift till the windows recovery menu comes up you want to hit troubleshoot and command prompt let your computer reboot and enter the command prompt then enter the following.
    bcdedit.exe /set nointegritychecks on

    3: Reboot and install the drivers i have linked below

    4: (optional if you would like to enable the options we just disabled after installing drivers) Open command prompt as admin and type bcdedit -set TESTSIGNING OFF
    then close command prompt hold shift and click power then restart while still holding shift go to troubleshoot and click command prompt once again and go through the reboot process and access the command prompt again and enter bcdedit.exe /set nointegritychecks off

    DRIVERS : https://drive.google.com/file/d/1CpdS0Ci33TGHzSlYb6CUK9ZOuwVp-iE7/view?usp=drivesdk
    Last edited: Oct 26, 2020

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