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Service Hints & Tips

Document ID: GSMH-3F9D6R

IBM PC/IBM IntelliStation - Undetermined problem checks

Applicable to: World-Wide

Undetermined Problem:
Check the power supply voltages. See Power Supply. If the voltages are correct, return here and continue with the following steps.

1. Power-off the computer.

2. Remove or disconnect the following, one at a time:
a. Non-IBM devices
b. External devices (modem, printer, or mouse)
c. Any adapters
d. Riser card
e. Memory modules (Before removing or replacing memory modules, see System Board Memory.)
f. Extended video memory
g. External Cache
h. External Cache RAM
i. Hard disk drive
j. Diskette drive

3. Power-on the computer to re-test the system.

4. Repeat steps 1 through 3 until you find the failing device or adapter.

If all devices and adapters have been removed, and the problem continues, replace the system board. See Replacing a System Board.

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Hint Category

Hardware Maintenance Information

Date Created

17-03-97

Last Updated

12-06-98

Revision Date

08-06-99

Brand

IBM PC, IBM IntelliStation

Product Family

PC 300GL, PC 300XL, PC 300PL, PC 330, PC 340, PC 350, PC 360, PC 365, PC 730, PC 750, M Pro, Z Pro, E Pro

Machine Type

6272, 6275, 6282, 6285, 6284, 6561, 6591, 6588, 6562, 6592, 6862, 6892, 6571, 6573, 6575, 6576, 6577, 6560, 6581, 6583, 6585, 6586, 6587, 6598, 6589, 6875, 6876, 6877, 6885, 6886, 6887, 6888, 6889, 6898, 6899, 6893

Model

Various

TypeModel

Retain Tip (if applicable)

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