Acer AT350 F1 - Manual (Page 48)

3 System upgrades 36
Installing a hard disk drive with carrier
1 Observe the ESD precautions described on page 26.
2 If necessary, unlock the bezel door then pull it open.
3 Remove the hard disk drive cover.
Pull the HDD cover straight out of the drive bay.
4 Install the hard disk drive with carrier.
System with 3.5-inch
HDD
System with 2.5-inch
HDD