I have an Acer Aspire e5 476g.
Same problem here,
happened when i clean my keyboard with 70% IPA, after I assemble it back, the del,power button,ins, and backspace key are malfunctioning (dead). But then I let it rest in front of a fan to dry it off, all of the key works except the backspace key. Was frustated, have tried reinstalling the driver, reinstalling new Windows 10, and even reseated the keyboard connector to the motherboard.
I then dissasamble the backspace key to inspect, but there was no broken hardware, it was bone dry, I even tried to jumped the 2 pads, but it still doesn’t work.
Until today, the backspace key is still not working. Haven’t bothered to replace the keyboard since I have an external Logitech USB keyboard.
Tried to clean the laptop’s built in keyboard with IPA, ended up with a malfunctioning backspace key.
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