Optional-service CRUs
• Coin-cell battery
• E-lock*
• Power supply assembly
* for selected models
Remove or replace a CRU
This section provides instructions on how to remove or replace a CRU.
Vertical stand
Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
For access, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer.
2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer.
Removal steps
Computer cover
Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
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M70s Gen 3 / M80s Gen 3 / M90s Gen 3 User Guide