Dell Vostro A840 Service Manual page 27

NOTE: If the memory module is not installed properly, the computer may not boot.
1 tab
3. Replace the module cover (see
4. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.
5. Turn on the computer.
As the computer boots, it detects the additional memory and automatically updates the system configuration information.
To confirm the amount of memory installed in the computer, click Start
Back to Contents Page
2 notch
Replacing the Module Cover).
® Help and Support® Dell System Information.