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7 Solving Problems
This chapter helps you identify and solve problems that might occur while you are using the
system.
Resetting the System
To do this: Press:
Soft boot reset, which clears system memory and reloads the operating system. <Ctrl+Alt+Del>
Clear system memory, restart POST, and reload the operating system. Reset button
Cold boot reset, which clears system memory, restarts POST, reloads the
operating system, and halts power to all peripherals.
Power off/on
Initial System Startup
Problems that occur at initial system startup are usually caused by incorrect installation or
configuration. Hardware failure is a less frequent cause.
Checklist
• Are all cables and boards correctly connected and secured?
• Are the processors and termination boards fully seated in their slots on the mezzanine
board(s)?
• Is at least one memory board installed and fully seated?
• Are all add-in PCI boards fully seated in their slots on the I/O carrier?
• Are all switch and jumper settings on boards and drives correct?
• Are all switch and jumper settings on add-in boards and peripheral devices correct? To check
these settings, refer to the manufacturer’s documentation that comes with them. If applicable,
ensure that there are no conflicts—for example, two add-in boards sharing the same interrupt.
• Are all DIMMs installed correctly?
• Are all peripheral devices installed correctly?
• Is the hard disk drive properly formatted or configured?
• Are all device drivers properly installed?
• Are the configuration settings made with the SSU correct?
• Is the OS properly loaded? Refer to the OS documentation.
• Did you press the system power on/off switch on the front panel to turn the server on
(power-on light should be lit)?
• Are the system power cords properly connected to the system and plugged into a NEMA
6-15R outlet for 200-240 V∼?
• Is AC power available at the wall outlet?
• If these items are correct but the problem recurs, see “More Problem-Solving Procedures” on
page 157.