2. Following test items in the Serial Ports test are
FAILEDeven if these devices are working properly.
vExternal Loopback test for the FlipTouchdisplay,
ThinkScribe, or Debug Port.
vRegistersAnd Interruptstest for the Debug Port.
Detecting system information withPC-Doctor
PC-Doctor can detect the following system information:

Hardware Info

vSystem Configuration
vMemory Contents
vPhysical Disk Drives
vLogical Disk Drives
vVGAInformation
vIDE Drive Info
vPCI Information
vPNPISAInfo
vSMBIOS Info
vVESALCD Info

Utility

vRun External Tests
vSurface Scan Hard Disk
vBenchmark System
vDOS Shell
vTechSupport Form
vBattery Rundown
vViewTest Log
vPrint Log
vSave Log
vFull Erase Hard Drive
vQuick Erase Hard Drive
Power system checkout
Toverify the symptom of a problem, 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 the battery pack supplies power when you
power on the computer.
If you suspect a power problem, see the appropriate one
of the following power supply checkouts:
v“Checking the ac adapter”on page 29
v“Checking operational charging”on page 29
Checkoutguide
28 ThinkPad TransNote