To resolve this, Acer officially recommends the following steps: Self-Unlock (if password is known): Enter the BIOS by tapping during startup. Navigate to the tab and select Set HDD Password Change HDD Password
If you cannot provide the password, you must contact official support. call acer service to unlock hdd exclusive
When you see a message such as "HDD Exclusive – Please call Acer service to unlock" or "Enter HDD Password – Call Acer Support," it means the hard drive or SSD has been cryptographically paired to the laptop’s motherboard using a stored password that To resolve this, Acer officially recommends the following