| Message/Symptom |
FRU/Action |
| Changing colors. |
1. Display |
| Computer will not power-off. |
1. Power Switch |
| See 'Power Systems Checkout' |
2. System Board |
| |
3. DC/DC card |
| Dead computer. |
1. Power Switch |
| See 'Power Systems Checkout' |
2. Power Supply |
| |
3. System Board |
| Diskette drive in-use light |
1. Diskette Drive |
| remains on or does not light |
2. System Board |
| when drive is active. |
3. Diskette Drive Cable |
| Flashing cursor with an |
1. System Board |
| otherwise blank display. |
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 |
1. Diskette Drive |
| appears with a known-good |
2. System Board |
| diagnostics diskette in |
3. Diskette Drive Cable |
| the first 3.5-inch diskette |
4. Network Adapter |
| drive. |
|
| Intensity or color varies |
1. Display |
| from left to right of |
2. System Board |
| characters and color bars. |
|
| No power, or fan not running. |
1. Check power supply |
| Nonsystem disk or disk |
1. Diskette Drive |
| error-type message |
2. System Board |
| with a known-good |
3. Diskette Drive Cable |
| diagnostic diskette. |
|
| Other display symptoms not |
1. Check Display. |
| listed above |
2. System Board |
| (including blank or |
3. Display |
| illegible display). |
|
| Power-on indicator or hard |
1. Power Supply |
| disk drive in-use light |
2. System Board |
| not on, but computer |
3. LED Cables |
| works correctly. |
|
| Printer problems. |
1. Check printer |
| Program loads from the hard disk |
1. Run Setup |
| with a known-good diagnostics |
2. Diskette Drive |
| diskette in the first 3.5-inch |
3. Diskette Drive Cable |
| diskette drive. |
4. System Board |
| |
5. Power Supply |
| Serial or parallel port |
1. External Device Self-Test OK? |
| device failure |
2. External Device |
| (system board port). |
3. Cable |
| |
4. System Board |
| Serial or parallel port |
1. External Device Self-Test OK? |
| device failure |
2. External Device |
| (adapter port). |
3. Cable |
| |
4. System Board |
| Some or all keys on the |
1. Keyboard |
| keyboard do not work. |
2. Keyboard Cable |
| |
3. System Board |
| Clock Battery inaccurate. |
1. System Board |