Lenovo B4400 Notebook - Manual (Page 41)

Appendix. CRU (Customer Replaceable Units) instructions
37
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.
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 pack.
5 Remove the Hard disk drive/Memory/Mini PCI Express Card slot
compartment cover.
a.Loosen the screws that secure the compartment cover .
b.Remove the compartment cover .
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.
a
b
b
a