Dell Inspiron M521R (5525, Mid 2012) - Manual (Page 20)

20 | Memory Module(s)
Replacing the Memory Module(s)
Procedure
1 Align the notch on the memory module with the tab on the memory-module
connector.
2 Slide the memory module firmly into the slot at a 45-degree angle, and press the
memory module down until it clicks into place. If you do not hear the click, remove
the memory module and reinstall it.
NOTE: If the memory module is not installed properly, the computer may not
boot.
Postrequisites
1 Replace the base cover. See "Replacing the Base Cover" on page 18.
2 Replace the battery. See "Replacing the Battery" on page 13.
3 Follow the instructions in "After Working Inside Your Computer" on page 9.
4 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:
Windows 8:
Move your mouse pointer to the upper-right or lower-right corner of the screen to open
the Charms sidebar, and then click Settings
→ Control Panel→ System and Security→
System.
Windows 7:
Click Start
→ Control Panel→ System and Security→ System.
1 tab 2 notch
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2
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