Miscellaneous Error Messages - Lenovo ThinkCentre Hardware Maintenance Manual

Miscellaneous error messages

78
Hardware Maintenance Manual
Message/Symptom
Changing display colors
Computer will not power-off. See "Power
Supply Problems" on page 53.
Computer will not RPL from server
Computer will not perform a Wake On
®
LAN (if applicable)
Dead computer. See "Power Supply
Problems" on page 53.
Diskette drive in-use light remains on or
does not light when drive is active.
Blank screen except for flashing cursor.
Incorrect memory size during POST
"Insert a Diskette" icon appears with a
known-good diagnostics diskette in the first
3.5-inch diskette drive.
Intensity or color varies from left to right of
characters and color bars
No power or fan not running
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)
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 49)
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)
1. Power Supply
2. System Board
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
1. System Board
2. Primary Hard Disk Drive
3. Hard Disk Drive Cable
1. Run the Memory tests
2. Memory Module
3. System Board
1. System Board
2. Diskette Drive Cable
3. Network Adapter
1. Display
2. Video adapter (if present)
3. System Board
1. See "Power Supply Problems" on page
53.
®