Lenovo ThinkCentre A58e Hardware Maintenance Manual - Page 69

Setup/Configuration see Starting the Setup Utility, Message/Symptom, FRU/Action

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Message/Symptom Computer will not PXE from server Computer will not perform a Wake on LAN (if applicable) Dead computer. See "Power problems" on page 33. Diskette drive in-use light remains on or does not light when drive is active. Flashing cursor with an otherwise blank display. 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 Non-system disk or disk error-type message with a known-good diagnostic diskette. Other display symptoms not listed above (including blank or illegible display) Power-on indicator or hard disk drive in-use light not on, but computer works correctly Printer problems FRU/Action 1. Ensure that network is in startup sequence as first device or first device after diskette 2. Ensure that network adapter is enabled for PXE 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 the Wake On LAN operation 3. Ensure Wake on LAN feature is enabled in Setup/Configuration (see "Starting the Setup Utility program" on page 41) 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. AC/DC Power Adapter 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 problems" on page 33. 1. Diskette Drive 2. System Board 3. Diskette Drive Cable 1. Display 2. System Board 1. Power switch/LED assembly 2. System Board 1. Printer 2. System Board Chapter 7. Symptom-to-FRU index 63

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Message/Symptom
FRU/Action
Computer will
not
PXE from server
1. Ensure that network is in startup sequence as first
device or first 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 the Wake On LAN operation
3. Ensure Wake on LAN feature is enabled in
Setup/Configuration (see “Starting the Setup Utility
program” on page 41)
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)
Dead computer. See “Power problems” on page 33.
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
"Insert a Diskette" icon appears with a known-good
diagnostics diskette in the first 3.5-inch diskette drive.
1. System Board
2. Diskette Drive Cable
3. Network Adapter
Intensity or color varies from left to right of characters
and color bars
1. Display
2. Video adapter (if present)
3. System Board
No power or fan not running
1. See “Power problems” on page 33.
Non-system disk or disk error-type message with a
known-good diagnostic diskette.
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
Other display symptoms not listed above (including blank
or illegible display)
1. Display
2. System Board
Power-on indicator or hard disk drive in-use light not on,
but computer works correctly
1. Power switch/LED assembly
2. System Board
Printer problems
1. Printer
2. System Board
Chapter 7
.
Symptom-to-FRU index
63