Hello. I don't have that laptop anymore so I can't take pictures. Try to find the pinhole at the bottom and insert a small paperclip. To completely remove the CMOS battery, you must disassemble further. community.acer.com/en/discussion/580627/acer-aspire-e15-laptop-how-to-remove-this-cmos-battery
How do you do a battery reset on this model please
Hello. I don't have that laptop anymore so I can't take pictures. Try to find the pinhole at the bottom and insert a small paperclip. To completely remove the CMOS battery, you must disassemble further.
community.acer.com/en/discussion/580627/acer-aspire-e15-laptop-how-to-remove-this-cmos-battery