Acer Veriton 6900Pro - Manual (Page 72)

4 Upgrading your computer 60
into the socket, turn the DDR2 DIMM around and try to insert
it again.
To reconfigure your computer
Your computer automatically detects the amount of memory installed. Run the
BIOS utility to view the new value for total system memory and make a note
of it.
Replacing the Veriton 3900Pro's hard disk
Follow these steps to replace your computer’s hard disk:
1 Remove the computer cover (see page 53).
2 Detach all cables connected to the CD or DVD drive, the 3.5-inch floppy
drive and hard disk.