https://community.acer.com/en/discussion/712533/why-my-nitrosence-an515-71em-keyboard-not-working-anymore-after-pch-was-changed
Why my Nitrosence AN515- 71EM keyboard not working anymore after PCH was changed? - Acer Community
Hello! I own an Acer Nitro 5 AN515- 71EM, after bringing it to a technician for LCD replacement, it suddenly shut down and can't turn on anymore. The...