vVGA Information

vIDE Drive Information

vPCI Information

vPNPISA Information

vSMBIOS Information

vFRU Information

vVESA LCD Information

Utility:

vRun External Tests

vSurface Scan Hard Disk

vBenchmark System

vDOS Shell

vTech Support Form

vBattery Rundown

vView Test Log

vPrint Log

vSave Log

vFull Erase Hard Drive

vQuick Erase Hard Drive

Power systems checkout

To verify the symptom of the power problem on the computer, do the following:

1.Power off the computer.

2.Remove the battery pack.

3.Connect the AC Adapter.

4.Check that power is supplied when you power on the computer.

5.Power off the computer.

6.Disconnect the AC Adapter and install the charged battery pack.

7.Check that power is supplied by the battery pack when you power on the computer.

If you suspect a power problem, refer the appropriate power supply check listed below:

v“Checking the AC Adapter”

v“Checking operational charging” on page 37

v“Checking the Battery ASM” on page 38

Checking the AC Adapter

You care here because the computer fails only when the AC Adapter is used:

36ThinkPad R30/R31 HMM

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IBM R30, R31 manual Power systems checkout, Utility, Checking the AC Adapter