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Error
The boot sector on the startup drive is corrupted.
The drive is defective.
Power supply problems
If you suspect a power problem, use the following procedures.
Check/Verify
Check the following for proper installation.
• Power cord
• On/Off switch connector
• On/Off switch power supply connector
• System board power supply connectors
• Microprocessor(s) connection
Check the power cord for continuity.
Check the power-on switch for continuity.
Miscellaneous error conditions
Message/Symptom
Changing display colors
Computer will not power-off. See "Hard disk drive boot
error" on page 84.
Computer will not RPL from server
Computer will not perform a Wake On LAN
FRU/Action
The drive must be formatted. Do the following:
1. Attempt to back up the data on the failing hard disk
drive.
2. Using the operating system programs, format the
hard disk drive.
Replace the hard disk drive.
FRU/Action
Display/Monitor
1. Power Switch
2. System Board
3. Riser card, if installed.
1. Ensure that network is in startup sequence as first
device or first device after diskette.
2. Ensure that network adapter is enabled for RPL.
3. Network adapter (Advise network administrator of
new MAC address)
®
(if applicable)
1. Check power supply and signal cable connections
to network adapter.
2. Ensure that the operating system settings are set to
enable Wake on LAN.
3. Ensure Wake On LAN feature is enabled in
Setup/Configuration (see "Starting the Setup Utility
program" on page 63)
4. Ensure network administrator is using correct MAC
address.
5. Ensure no interrupt or I/O address conflicts.
6. Network adapter (advise network administrator of
new MAC address)
Chapter 8
FRU/Action
Reseat connectors
Power cord
Power-on switch
.
Service checkout and symptom-to-FRU index
85
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