Acer Altos G710 - Manual (Page 64)

3 System upgrade 54
3 Press the release bracket on both sides of the drive carrier (1)
before pulling it out from the chassis (2).
4 Remove the eight screws that hold the old drive to the drive
carrier then pull it out.
5 Install a new 5.25-inch drive to the drive carrier then secure it with
the eight screws you have removed earlier.