User Guide

5. Install a new base cover assembly in place 1 . Press the left and right sides of the base cover assembly
as shown
2 , and then tighten the screws in ascending alphabetical order (a to e) as illustrated 3 .
6. Turn the computer over. Connect the ac power adapter and all disconnected cables to the computer.
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power
adapter and then reconnect it to the computer.
M.2 solid-state drive
Prerequisite
Before you start, read Appendix A “Important safety information” on page 71 and print the following
instructions.
Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and
permanent loss of data.
When handling the M.2 solid-state drive, observe the following guidelines:
• Replace the M.2 solid-state drive only for upgrade or repair. The M.2 solid-state drive is not designed for
frequent changes or replacement.
• Before replacing the M.2 solid-state drive, make a backup copy of all the data that you want to keep.
• Do not apply pressure to the M.2 solid-state drive.
• Do not touch the contact edge or circuit board of the M.2 solid-state drive. Otherwise the M.2 solid-state
drive might get damaged.
• Do not make the M.2 solid-state drive subject to physical shocks or vibration. Put the M.2 solid-state drive
on a soft material, such as cloth, to absorb physical shocks.
Replacement procedure for the long M.2 solid-state drive
1. If you are going to replace a hybrid solid-state drive (with Intel Optane memory), disable Intel Optane
memory by doing the following:
a. Run the iRST Console with Device Driver.
Chapter 7. CRU replacement 51