1000 Disabling The Battery Pack In Uefi Bios; 1010 Hard Disk Drive Or Solid State Drive Assembly - Lenovo ThinkPad Edge E220s Hardware Maintenance Manual

If the computer you are servicing has the SIM card, remove it before you start the servicing.
After you finish the servicing, make sure that you insert the card back into the slot firmly.

1000 Disabling the battery pack in UEFI BIOS

Before servicing the computer, disable the battery pack in UEFI BIOS.
1. Turn on the computer. When the ThinkPad logo screen is displayed. Press F1 to enter ThinkPad Setup.
2. Select Config, and then select Power.
3. Choose Disable built-in battery .
4. Follow on-screen instructions.
5. Make sure that the system is powered off.
The battery pack will be disabled in UEFI BIOS. When ac power is reconnected, the battery pack will be
automatically enabled.

1010 Hard disk drive or solid state drive assembly

Attention:
50
Hardware Maintenance Manual