Lenovo 7Y54, Maintenance Manual

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• View the Lenovo XClarity Controller event log for events related to power supplies or vibration issues and
resolve those events.
• View the storage subsystem log for events related to the storage subsystem and resolve those events.
A replacement hard disk drive does not rebuild
Complete the following steps until the problem is solved:
1. Make sure that the hard disk drive is recognized by the adapter (the green hard disk drive activity LED is
flashing).
2. Review the SAS/SATA RAID adapter documentation to determine the correct configuration parameters
and settings.
Green hard disk drive activity LED does not represent actual state of associated drive
Complete the following steps until the problem is solved:
1. If the green hard disk drive activity LED does not flash when the drive is in use, run the diagnostics tests
for the hard disk drives. When you start a server and press the key according to the on-screen
instructions, the LXPM is displayed by default. (For more information, see the “Startup” section in the
LXPM documentation compatible with your server at
https://sysmgt.lenovofiles.com/help/topic/lxpm_
frontend/lxpm_product_page.html .) You can perform hard drive diagnostics from this interface. From the
Diagnostic page, click
Run Diagnostic
➙
HDD test/Disk Drive Test
.
**
2. If the drive passes the test, replace the backplane.
3. If the drive fails the test, replace the drive.
Yellow hard disk drive status LED does not represent actual state of associated drive
Complete the following steps until the problem is solved:
1. Turn off the server.
2. Reseat the SAS/SATA adapter.
3. Reseat the backplane signal cable and backplane power cable.
4. Reseat the hard disk drive.
5. Power on the server and observe the activity of the hard disk drive LEDs.
Note:
**
Depending on the LXPM version, you may see
HDD test
or
Disk Drive Test
.
Monitor and video problems
Use this information to solve problems related to a monitor or video.
• “Incorrect characters are displayed” on page 106
• “Screen is blank” on page 107
• “Screen goes blank when you start some application programs” on page 107
• “The monitor has screen jitter, or the screen image is wavy, unreadable, rolling, or distorted.” on page 107
• “The wrong characters appear on the screen” on page 107
Incorrect characters are displayed
Complete the following steps:
1. Verify that the language and locality settings are correct for the keyboard and operating system.
2. If the wrong language is displayed, update the server firmware to the latest level. See
“Firmware
updates” on page 6 .
106
ThinkSystem SR150 Maintenance Manual