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M.2 Backplane And M.2 Drive Replacement; Remove The M.2 Backplane And M.2 Drive - Lenovo ThinkAgile HX1521-R User Manual

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Step 2.
Align the DIMM with the slot, and firmly press both ends of the DIMM straight down into the slot
until the retaining clips snap into the locked position.
Note: If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly
inserted; open the retaining clips, remove the DIMM, and then reinsert it.
After installing a DIMM:
1. Replace the air baffle.
2. Replace the top cover.
3. Install the node back into the rack and reconnect all cables.
4. Power on the node.
5. Exit maintenance mode.
6. Verify that the DIMM memory failure is resolved:
• No errors are displayed in the Nutanix Prism Web console.
• The system boots successfully with no POST errors.
• No errors are displayed in the Lenovo XClarity Controller interface.
• No errors are displayed in the Lenovo XClarity Administrator
• No errors are displayed in the Lenovo XClarity Integrator

M.2 backplane and M.2 drive replacement

An assembled M.2 backplane and M.2 drive is also known as M.2 module. Lenovo support may ask that the
M.2 module or M.2 backplane and M.2 drive be replaced.

Remove the M.2 backplane and M.2 drive

Use this information to remove the M.2 backplane and M.2 drive.
"Read the
installation
Guidelines" on
page 41
Before removing the M.2 backplane and M.2 drive:
1. From the vSphere Web client, migrate all virtual machines if VMware Distributed Resource Scheduler
(DRS) is not enabled on the cluster.
2. Place the node in maintenance mode by following the procedure
Hardware Replacement Documentation.
3. Power off the node and if the cable management arm is not in place, disconnect all the cables. Pull the
node chassis out of the rack.
4. Remove the top cover.
5. For easier operation, remove the riser 2 assembly.
To remove the M.2 backplane and M.2 drive, complete the following steps:
"Power off
the server
for this task"
on page 33
Enter Maintenance Mode
Chapter 8
"ATTENTION:
Static Sensitive Device
Ground package before opening"
on page 43
in the Nutanix
.
Hardware replacement procedures
83

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