Acer 365 - Manual (Page 57)

Disassembly and Unit Replacement 3-7
Figure 3-5 Installing and Removing Memory
5. Replace the memory door and secure it with the screws.
Sleep Manager must be run after installing additional memory for the
computer to hibernate properly. If Sleep Manager is active, it will
automatically adjust the hibernation file on your notebook.
If you are using an operating system other than Windows 95 or DOS, you may
need to re-partition your hard disk drive to allow for the additional memory.
Check with your system administrator.