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Server System SR1500AL User’s Guide 93
• If the problems are intermittent, there may be a loose cable, dirt in the keyboard (if
keyboard input is incorrect), a marginal power supply, or other random component
failures.
• If you suspect that a transient voltage spike, power outage, or brownout might have
occurred, reload the software and try running it again. Symptoms of voltage spikes
include a flickering video display, unexpected system reboots, and the system not
responding to user commands.
Note: Random errors in data files: If you are getting random errors in your data files, they may
be getting corrupted by voltage spikes on your power line. If you are experiencing any of
the above symptoms that might indicate voltage spikes on the power line, you may want to
install a surge suppressor between the power outlet and the system power cord.
Devices are not Recognized under Device Manager
(Microsoft* Windows* Operating System)
The Microsoft* Windows* operating systems do not include all of the drivers for the
Intel
®
chipsets, onboard NICs, and other components. See “Server System References”
for a link to the current drivers and chipset files.
Hard Drive(s) are not Recognized
Check the following:
• Make sure the drive is not disabled in BIOS Setup.
• Make sure the drive is connected correctly and that is plugged into the power supply.
• Make sure the drive is compatible. See “Server System References” for a link to the
tested drives.
• Make sure you have not exceeded the power budget for the server. See “Server
System References” for a link to software to check your power budget.
• If using SCSI drives, verify that each SCSI ID number is unique on the SCSI bus.
See your drive documentation for details on setting the SCSI ID for your drives.
• If using ATA drives, verify that the master/slave settings are set correctly. See your
drive documentation for details on setting the master/slave settings.
• If using a RAID configuration with SCSI or SATA drives, make sure the RAID card
is installed correctly.
Bootable CD-ROM Disk Is Not Detected
Check the following:
• Make sure the BIOS is configured to allow the CD-ROM to be the first bootable
device.