Miscellaneous Error Conditions - Lenovo ThinkCentre E93z Hardware Maintenance Manual

Error code
1820
1962

Miscellaneous error conditions

Message/Symptom
Changing display colors
Computer will not power-off. See "Hard disk drive boot
error" on page 61.
Computer will not RPL from server
Computer will not perform a Wake On LAN
Dead computer. See "Hard disk drive boot error" on page
61.
Diskette drive in-use light remains on or does not light
when drive is active.
Blank screen except for flashing cursor.
POST error message
More than one external fingerprint
reader are attached. Power off and
remove all but the reader that you set
up within your main operating system.
No operating system found. Press
any key to repeat boot sequence.
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 55)
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
Description/Action
If more than one external fingerprint
reader are connected to a computer,
this error message will be displayed
to inform you to remove all of the
fingerprint keyboards except the
one compatible with the fingerprint
application on your computer.
This error occurs only after the POST
is completed.
Press any key to repeat boot
sequence.
.
Chapter 7 Symptom-to-FRU Index
63