Memory Module Problems - Lenovo ThinkServer RD330 Hardware Maintenance Manual

• If you are instructed to remove, install, or replace any CRUs, refer to the related procedure in Chapter 6
"Installing, removing, or replacing hardware" on page 67.
• The status LEDs on each hot-swap hard disk drive help you easily identify a problem. See "Hot-swap
hard disk drive status LEDs" on page 26.
Symptom
A newly installed hot-swap hard disk drive is not
recognized.
Multiple hard disk drives fail.

Memory module problems

Follow the suggested actions for the corresponding symptom in the order in which they are listed until the
problem is solved. If none of these actions solve the problem, see "Troubleshooting procedure" on page 159
for the subsequent steps you should check after using the information in this topic. If the problem still cannot
be solved, seek technical assistance. See Chapter 8 "Getting information, help, and service" on page 165.
Notes:
• If you are instructed to remove, install, or replace any CRUs, refer to the related procedure in Chapter 6
"Installing, removing, or replacing hardware" on page 67.
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ThinkServer RD330 Hardware Maintenance Manual
Action
1. Ensure that the drive is installed into the correct drive
bay.
2. Restart the server.
3. Remove the drive from the bay, wait 45 seconds,
and reinsert the drive into the bay, making sure that
the drive connects to the hot-swap hard disk drive
backplane.
4. Run any diagnostic programs to test the hard disk
drive if you have.
5. Ensure that the hot-swap hard disk drive backplane
is correctly seated. When it is correctly seated,
the drive assemblies correctly connect to the
backplane without bowing or causing movement of
the backplane.
6. Ensure that the cable connection is correct. See
"Mini-SAS to mini-SAS signal cable connections" on
page 30.
7. Reconnect the backplane power cable and repeat
step 1 through step 4.
8. Reconnect the backplane signal cable and repeat
step 1 through step 4.
9. If you suspect a problem with the backplane signal
cable or the backplane:
a. Replace the affected backplane signal cable.
b. Replace the affected backplane.
1. Ensure that the cable connection is correct. See
"Mini-SAS to mini-SAS signal cable connections" on
page 30.
2. Reconnect the power cables.
3. Reconnect the signal cables.
4. Replace the affected signal cables.
5. If you suspect a problem with the backplane, replace
the affected backplane.