Dell Alienware Area-51 ALX (Late 2009) - Manual (Page 27)

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CHAPTER 5: MEMORY MODULE(S)
Replacing Memory Module(s)
Follow the instructions in “Before You Begin” on page 1. 6.
Align the notch on the bottom of the memory module with the tab on the 2.
memory-module connector.
CAUTION: To avoid damage to the memory module, press the memory
module straight down into the memory-module connector while you
apply equal force to each end of the memory module.
Insert the memory module into the memory-module connector until the 3.
memory module snaps into position.
NOTE: If the memory module is not installed properly, the computer may
not boot.
If you insert the memory module correctly, the securing clips snap into the 4.
cutouts at each end of the memory module.
Close the left-side panel. 5.
Connect your computer and devices to electrical outlets, and then turn 6.
them on.
1
2
3
5
4
1 memory-module connector 4 securing clips (2)
2 tab 5 memory module
3 notch