Dell Inspiron 3420 Owner's Manual page 21

1
1 tab 2 notch
4 Replace the keyboard (see "Replacing the Keyboard" on page 17).
5 Replace the battery (see "Replacing the Battery" on page 14), or connect
the AC adapter to your computer and an electrical outlet.
6 Turn on the computer.
As the computer boots, it detects the memory module(s) and automatically
updates the system configuration information.
To confirm the amount of memory installed in the computer:
Click Start
2
→ Control Panel→ System and Security→ System.
21
Memory