Monitor And Video Problems - Lenovo ThinkSystem SR645 Maintenance Manual

Multiple hard drives fail
Complete the following steps until the problem is solved:
• View the Lenovo XClarity Controller event log for events related to power supplies or vibration issues and
resolve those events.
• Make sure that the device drivers and firmware for the hard disk drive and server are at the latest level
Important: Some cluster solutions require specific code levels or coordinated code updates. If the device is
part of a cluster solution, verify that the latest level of code is supported for the cluster solution before you
update the code.
Multiple hard drives are offline
Complete the following steps until the problem is solved:
• 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.
One or two 7mm drives identified as failing
Complete the following steps until the problem is solved:
1. Remove and reinstall the reported drive(s) in the same drive bay or another drive bay.
2. If the problem persists, consider replacing the current drives with new ones.
3. If the problem is persists, consider replacing the bottom backplane.
4. If the problem is persists, consider replacing the top backplane.
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 F1, the Lenovo XClarity Provisioning Manager
V3 interface is displayed by default. You can perform hard drive diagnostics from this interface. From the
Diagnostic page, click Run Diagnostic ➙ HDD test
2. If the drive passes the test, replace the backplane.
3. If the drive fails the test, replace the drive.

Monitor and video problems

Use this information to solve problems related to a monitor or video.
• Incorrect characters are displayed
• Screen is blank
• Screen goes blank when you start some application programs
• The monitor has screen jitter, or the screen image is wavy, unreadable, rolling, or distorted
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