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18 About Your System
Keyboard data
line failure.
Keyboard stuck
key failure.
Keyboard cable connector is
improperly connected or the
keyboard is defective.
Reseat the keyboard cable. If
the problem persists, see
"Troubleshooting a USB
Device" on page 100.
Manufacturing
mode detected.
System is in manufacturing
mode.
Reboot to take the system
out of manufacturing mode.
Memory
Initialization
Warning: Memory
size may be
reduced.
Invalid memory
configuration. The system
will run but with less
memory than is physically
available.
Ensure that the memory
modules are installed in a
valid configuration. See
"General Memory Module
Installation Guidelines" on
page 73.
No boot device
available.
Faulty or missing optical
drive subsystem, hard drive,
or hard-drive subsystem, or
no bootable USB key
installed.
Use a bootable USB key, CD,
or hard drive. If the problem
persists, see
"Troubleshooting a USB
Device" on page 100,
"Troubleshooting an Optical
Drive" on page 109, and
"Troubleshooting a Hard
Drive" on page 111. See
"Using the System Setup
Program and Boot Manager"
on page 23 for information
on setting the order of boot
devices.
PCI BIOS failed
to install.
PCIe device BIOS (Option
ROM) checksum failure
detected during shadowing.
Cables to expansion card
loose; faulty or improperly
installed expansion card.
Reseat the expansion card.
Ensure that all appropriate
cables are securely connected
to the expansion card. If the
problem persists, see
"Troubleshooting Expansion
Cards" on page 112.
Message Causes Corrective Actions