How to downgrade BIOS ? AN515-54

munnakr123
munnakr123 Member Posts: 1 New User
edited November 2023 in 2020 Archives
    ( ACER NITRO AN515-54,i5 9th generation )
i updated to latest version of bios from acer driver store ( https://www.acer.com/ac/en/US/content/drivers ) and Now touchpad is not working .i have uninstall i2c hid driver from Device manager, and restart laptop , i have also tried enable/ disable method. but these method fix problem for temporary.

Thread was edited to add model name to the title