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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 b utton
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.