Replacing Memory - Lenovo G400s User Manual

Appendix. CRU instructions

Replacing memory

You can increase the amount of memory in your computer by installing a
double-data-rate three low voltage synchronous dynamic random access
memory (DDR3L SDRAM)-available as an option-in the memory slot of your
computer. DDR3L SDRAMs are available in various capacities.
Note: Use only the memory types supported by your computer. If you incorrectly install
optional memory, or install an unsupported memory type, a warning beep will sound
when you try to start the computer.
To install a DDR3L SDRAM, do the following:
1 Touch a metal table or a grounded metal object to reduce any static
electricity in your body, which could damage the DDR3L SDRAM. Do
not touch the contact edge of the DDR3L SDRAM.
2 Turn off the computer. Disconnect the AC power adapter and all cables
from the computer.
3 Close the computer display, and turn the computer over.
4 Remove the battery again.
5 Remove the Hard disk drive/Memory/Central processing unit/wireless
LAN card slot compartment cover.
a.Loosen the screws that secure the compartment cover
b.Remove the compartment cover
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