v
Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
If an action step is preceded by “(Trained technician only),” that step must be performed only by a Trained
service technician.
v
Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Symptom
Action
The server resets (restarts)
occasionally.
1. If the reset occurs during POST and the POST watchdog timer is enabled (click
System Settings --> Integrated Management Module --> POST Watchdog
Timer
in the Setup utility to see the POST watchdog setting), make sure that
sufficient time is allowed in the watchdog timeout value (
POST Watchdog
Timer
). If the server continues to reset during POST, see “POST” on page 18
and “Diagnostic programs and messages” on page 190.
2. If the reset occurs after the operating system starts, disable any automatic
server restart (ASR) utilities, such as the IBM Automatic Server Restart IPMI
Application for Windows, or any ASR devices that are be installed.
Note:
ASR utilities operate as operating-system utilities and are related to the
IPMI device driver. If the reset continues to occur after the operating system
starts, the operating system might have a problem; see “Software problems” on
page 187.
3. If neither condition applies, check the system-error log or IMM2 system-event
log (see “Event logs” on page 16).
Keyboard, mouse, or pointing-device problems
v
Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
If an action step is preceded by “(Trained technician only),” that step must be performed only by a Trained
service technician.
v
Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Symptom
Action
All or some keys on the
keyboard do not work.
1. Make sure that:
v
The keyboard cable is securely connected.
v
The server and the monitor are turned on.
2. If you are using a USB keyboard, run the Setup utility and enable keyboardless
operation.
3. If you are using a USB keyboard and it is connected to a USB hub, disconnect
the keyboard from the hub and connect it directly to the server.
4. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Keyboard
b. (Trained service technician only) System board
Chapter 3. Diagnostics
171
Summary of Contents for System x iDataPlex dx360 M4 7912
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