
Problems and Solutions
Problem | Symptom | Solution |
| Computer halts during loading | Power the computer off. Check for proper |
| sequence. | jumper settings, then power on the |
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| computer. |
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| Check condition of selected bootload |
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| device (diskette or hard drive) for bad boot |
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| track or incorrect OS files. |
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| Try booting OS from diskette or recopy OS |
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| files onto hard drive. |
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| Verify correct hard drive is selected. |
Diskette drive does not | Lamp on drive panel does not | Check power and signal cable connections |
work | light when diskette is loaded. | between diskette drive, system board, and |
|
| power supply. |
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| Check diskette drive jumpers. |
|
| Check diskette cable. Replace as |
|
| necessary. |
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| Check power supply. |
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| Replace diskette drive. |
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| Replace system board. |
Hard drive malfunction | Hard drive lamp does not light | Check cable connections between lamp |
| but hard drive can be accessed. | and system board. |
| Hard drive controller failure | Check that the IDE port and hard drives |
| message displayed. | are enabled in Setup. |
| Cannot access the hard drive. | Check signal/power connections between |
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| hard drive, system board, and power |
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| supply. |
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| Check hard drive jumper settings. |
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| Check power supply. |
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| Check hard drive cable and hard drive. |
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| Replace as necessary. |
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| Replace system board (or hard disk |
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| controller board if the system board |
|
| controller is not used). |
Memory malfunction | Total memory not recognized. | Reseat DIMMs. |
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| Systematically swap DIMMs. |
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| Check to see if the DIMM configuration is |
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| valid (see Section 3, “Option Installation”). |
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| Replace DIMMs. |
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| Replace system board. |
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