Chapter 5. Diagnostics
Diagnostic programs are used to test hardware components of the computer and
report operating-system-controlled settings that can cause hardware failures. There
are two diagnostic programs preinstalled on the computer to help diagnose
problems:

v PC-Doctor for Windows® (used when diagnosing problems while running the

Windows operating system)

v PC-Doctor for DOS or PC-Doctor for Windows PE, depending upon your

machine type and model (used when your Windows operating system will not

start)

Notes:
1. You can download the latest version of the PC-Doctor for Windows and

PC-Doctor for DOS diagnostic programs from http://www.lenovo.com/

support/. Type your machine type into the Use Quick Path field and click Go

to find the downloadable files that are specific to the computer.
2. Log files are created when you run PC-Doctor for Windows and depending
upon your machine type and model, PC-Doctor for DOS or PC-Doctor for
Windows PE. Save and print the log files created by both diagnostic programs.
The log file created by PC-Doctor for Windows is automatically saved in

C:\PCDR\DETAILED.TXT.

PC-Doctor for Windows
PC-Doctor for Windows is a diagnostic program that works through the Windows
operating system. The PC-Doctor for Windows diagnostic program enables you to
view symptoms and solutions for computer problems, access the Lenovo
troubleshooting center, update system drivers, and review system information.

To run PC-Doctor for Windows, open the Start menu from the Windows desktop,

select All Programs, select PC-Doctor for Windows, and click PC-Doctor for

Windows. Follow the instructions on the screen. For additional information about

running the diagnostic program, refer to the PC-Doctor for Windows help system.
If you still suspect a problem after PC-Doctor for Windows runs successfully, run
PC-Doctor for DOS or PC-Doctor for Windows PE to help you diagnose the
computer problem.
PC-Doctor for DOS
Depending upon your machine type and model, you either have
PC-Doctor for DOS or PC-Doctor for Windows PE on each Lenovo computer. The
PC-Doctor for DOS diagnostic program is part of the Rescue and Recovery™
workspace and runs independently of the Windows operating system. Use
PC-Doctor for DOS, if you are unable to start the Windows operating system or if
PC-Doctor for Windows has not been successful in isolating a possible problem.

You can run PC-Doctor for DOS from a diagnostic CD image or diagnostic

diskettes that have been created. You can also run PC-Doctor for DOS from the
Rescue and Recovery workspace.
© Lenovo 2006, 2008. Portions © IBM Corp. 2005. 43