Coin-Cell Battery; Memory Module - Lenovo 21DA0008IX User Manual

Coin-cell battery

Prerequisite
Before you start, read
Generic Safety and Compliance Notices
For access, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 41.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display.
4. Remove the nano-SIM-card tray if your computer comes with one. See "Connect to a cellular network
(for selected models)" on page 9.
5. Turn the computer over.
6. Remove the base cover assembly. See "Base cover assembly" on page 46.
Removal procedure

Memory module

Prerequisite
Before you start, read Generic Safety and Compliance Notices
Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get
damaged.
For access, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 41.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display.
4. Remove the nano-SIM-card tray if your computer comes with one. See "Connect to a cellular network
(for selected models)" on page 9.
5. Turn the computer over.
and print the following instructions.
and print the following instructions.
Chapter 6
. 49
CRU replacement