User's Manual
Table Of Contents
- Contents
- About Your System
- Using the System Setup Program
- Installing System Components
- Recommended Tools
- Inside the System
- Opening and Closing the System
- Cooling Shroud
- System Battery
- Optical Drive
- Configuring the Boot Drive
- Hard Drives
- Installing a SAS Controller Card
- Fan Assembly
- Optional PCI Fan Assembly
- Power Supply
- Expansion Cards
- Riser Card
- System Memory
- Processor
- Control Panel Assembly (Service-Only Procedure)
- System Board (Service-Only Procedure)
- Troubleshooting Your System
- Safety First-For You and Your System
- Start-Up Routine
- Checking the Equipment
- Responding to a Systems Management Software Alert Message
- Troubleshooting a Wet System
- Troubleshooting a Damaged System
- Troubleshooting the System Battery
- Troubleshooting the Power Supply
- Troubleshooting System Cooling Problems
- Troubleshooting System Memory
- Troubleshooting an Optical Drive
- Troubleshooting a Hard Drive
- Troubleshooting Expansion Cards
- Troubleshooting the Microprocessor
- Running the System Diagnostics
- Jumpers and Connectors
- Getting Help
- Glossary
- Index

24 About Your System
No boot sector on
hard-disk drive
The system configuration
information in the System
Setup program might be
incorrect.
Enter the System Setup
program and verify the
system configuration
information for the hard
drive. See your Hardware
Owner’s Manual for details.
If the message continues to
appear after verifying the
information in the System
Setup program, the
operating system might
have been corrupted.
Reinstall the operating
system. See your operating
system documentation for
reinstallation information.
No timer tick
interrupt
A chip on the system board
might be malfunctioning.
Run the system diagnostics.
See "Running the System
Diagnostics" on page 117.
Not a boot diskette The operating system is
trying to boot from a
diskette that does not have
a bootable operating system
installed on it.
Insert a diskette that has a
bootable operating system.
Option ROM Checksum
Error
PCI device BIOS (Option
ROM) checksum failure is
detected during shadowing.
Ensure that all appropriate
cables are securely
connected to the expansion
cards. If the problem
persists, see
"Troubleshooting
Expansion Cards" on
page 113.
Table 1-4. System Messages (continued)
Message Causes Corrective Actions
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