Lenovo M490s notebook - Manual (Page 46)

Replacing a memory module
Before you start, print these instructions.
Prerequisites for the procedure
Note: The operating speed of the memory module has dependency on the system configuration. In some
conditions, the memory module in your 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:
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 27.
4. Remove the screws 1 and 2 , and then remove the cover 3 .
3
1
1
2
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 4 , and then remove a memory module to make room for the new one 5 .
Save the removed memory module for future use.
5
4
4
32 User Guide