Dell Vostro 2521 (Early 2013) - Manual (Page 11)

3. Install the battery.
4. Follow the procedures in After Working Inside Your Computer .
Removing the Memory Module
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) access panel
3. Pry the securing clips away from the memory module until it pops up. Remove the memory module from its socket
on the system board.
Installing the Memory Module
1. Insert the memory module into the memory socket and press until it clicks into place.
2. Install:
a) access panel
b) battery
3. Follow the procedures in After Working Inside Your Computer .
Removing the Hard-Drive Assembly
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) access panel
3. Remove the screws that secure the hard-drive assembly to the computer.
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