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POST Error Message Description/Action
Press TAB to show POST screen
Pressing the TAB key permits the user to toggle between
the default POST display screen and a custom POST
display screen.
Error: Non-System disk or disk error Replace and press
any key when ready
The BIOS was unable to nd a suitable boot device.
Make sure the boot drive is properly connected to the
computer.
Make sure you have bootable media.
Miscellaneous error messages
Message/Symptom FRU/Action
Changing display colors Display/Monitor
Computer will not power-off. See “Power problems” on
page 31
.
1. Power Switch
2. System Board
3. Riser card, if installed
Computer will not PXE from server
1. Ensure that network is in startup sequence as rst
device or rst device after diskette
2. Ensure that network adapter is enabled for PXE
3. Network adapter (Advise network administrator of new
MAC address)
Computer will not perform a Wake On LAN® (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/Conguration (see “Starting the Setup Utility
program” on page 39
)
4. Ensure network administrator is using correct MAC
address
5. Ensure no interrupt or I/O address conicts
6. Network adapter (advise network administrator of new
MAC address)
Dead computer. See “Power problems” on page 31. 1. AC/DC Power Adapter
2. System Board
Diskette drive in-use light remains on or does not light
when drive is active.
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
Flashing cursor with an otherwise blank display.
1. System Board
2. Primary Hard Disk Drive
3. Hard Disk Drive Cable
Incorrect memory size during POST
1. Run the Memory tests
2. Memory Module
3. System Board
Chapter 7. Symptom-to-FRU Index 61