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User’s Manual 8-5
L550/L550D/L555/L555D
Installing a memory module
The computer contains slots for two memory modules, one positioned
immediately over the other - the procedures are the same for installing
either module.
1. Shut down the computer - make sure the Power indicator is off (refer to
the Turning off the power section in Chapter 3, Getting Started if
required).
2. Remove the AC adaptor and all cables and peripherals connected to
the computer.
3. Turn the computer upside down and remove the memory module cover.
Figure 8-2 Removing the memory module cover
4. Align the notch of the memory module with that of the memory module
slot and gently insert the module into the slot at about a 45 degree
angle before holding it down until the latches on either side snap into
place.
2
2
3
3
1
1
1
2
3
4
1. Memory module cover
2. Screw
3. Slot B
4. Slot A