IBM IntelliStation 6866, Руководство по техническому обслуживанию аппаратной части, Страница: 88 / 148

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IBM IntelliStation Type 6866: Hardware Maintenance Manual
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. System Board
No power or fan not running 1. See “Power supply” on page 30.
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 Supply
2. System Board
3. LED Cables
Printer problems 1. Printer
Program loads from the hard disk with a known-good
diagnostics diskette in the first 3.5-inch diskette drive 1. Run Setup
2. Diskette Drive
3. Diskette Drive Cable
4. System Board
5. Power Supply
RPL computer cannot access programs from its own hard
disk. 1. If network administrator is using LCCM Hybrid
RPL, check startup sequence:
a. First device - network
b. Second device - hard disk
2. Hard disk drive
RPL computer does not RPL from server 1. Check startup sequence
2. Check the network adapter LED status
Serial or parallel port device failure (system board port) 1. External Device Self-Test OK?
2. External Device
3. Cable
4. System Board
Message/Symptom FRU/Action