Lenovo E49 Notebook - Manual (Page 51)

15. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing a memory module
Before you start, print these instructions.
Prerequisites for the procedure
When replacing a memory module, be sure to follow the precautions.
Note: The operating speed of the memory module depends on the system configuration of the computer
and its combination with the memory module installed on the computer. In some conditions, the memory in
the computer might not be able to operate at the maximum speed.
Attention: Before you start installing a memory module, touch a metal table or a grounded metal object. This
action reduces any static electricity from your body. The static electricity could damage the memory module.
To replace a memory module, do the following:
Note: Your computer might look different from the following illustrations.
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait
three to five minutes to let the computer cool.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See “Replacing the battery” on page 31.
4. Loosen the screws 1 , and then remove the cover 2 .
2
1
5. If two memory modules are already in the memory slots, press out on the latches on both edges of
the socket at the same time 3 , and then remove a memory module 4 to make room for the new one.
Save the removed memory module for future use.
3 3
4
6. Find the notch on the contact edge side of the memory module you are installing.
Chapter 7 . Replacing devices 37