Symptom/Error
Printer | problems. | Ÿ | Run printer | |||||
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| Ÿ | Printer driver |
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| Ÿ | Printer cable |
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| Ÿ | Ensure that "Parallel Port" in | |||||
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| the "Onboard Devices Config- | |||||
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| uration" menu of the BIOS | |||||
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| Utility | is | correctly set. | |||
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| Ÿ | System board |
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Serial or parallel portŸ | Device driver |
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device | problems. | Ÿ | Device cable |
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| Ÿ | Device |
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| Ÿ | Ensure that "Serial Port" and | |||||
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| "Parallel | Port" | in | the | ||
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| "Onboard | Devices | Configura- | |||
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| tion" menu | of | the | BIOS Utility | ||
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| is correctly | set. | ||||
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| Ÿ | System board |
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Modem-Related Symptoms
Symptom/Error | FRU/Action in | Sequence | |
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Internal | modem does Ÿ | Go to “FRU tests” on | |
not work | correctly | page | 48. |
| Ÿ | Modem connector | |
| Ÿ | Modem board | |
| Ÿ | System board | |
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Intermittent Problems
Intermittent system hang problems can be caused variety of reasons that have nothing to do with defect, such as cosmic radiation, electronic dis software errors. FRU replacement should only be ered when a recurring problem exists.
When analyzing the intermittent problem, do the fo
1. | Run | the | diagnostic test for | the system boar |
| 10 times. |
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2. | If | no | error is detected, | do not replace |
3.If any error is detected, replace the FR test to verify that there are no more erro
Undetermined Problems
The diagnostic tests did not identify which ada device failed, which installed devices are incor a short circuit is suspected, or whether the s erative. Follow the procedures below to isolate t FRU.
Verify that the power supply being used at the failure is operating correctly.
1. Power off the computer.
38 ThinkPad i Series 1400/1500 HMM
