Checkout Guide; Diagnostics Using Pc-Doctor For Dos - Lenovo ThinkPad T61 Hardware Maintenance Manual

Note for warranty: During the warranty period, the customer may be responsible
for repair costs if the computer damage was caused by misuse, accident,
modification, unsuitable physical or operating environment, or improper
maintenance by the customer.
Following is a list of some common items that are not covered under warranty and
some symptoms that might indicate that the system was subjected to stress beyond
normal use.
Before checking problems with the computer, determine whether the damage is
covered under the warranty by referring to the following list:
The following are not covered under warranty:
v LCD panel cracked from the application of excessive force or from being
v Scratched (cosmetic) parts
v Distortion, deformation, or discoloration of the cosmetic parts
v Plastic parts, latches, pins, or connectors that have been cracked or broken by
v Damage caused by liquid spilled into the system
v Damage caused by the improper insertion of a PC Card or the installation of an
v Improper disc insertion or use of an optical drive
v Diskette drive damage caused by pressure on the diskette drive cover, foreign
v Damaged or bent diskette eject button
v Fuses blown by attachment of a nonsupported device
v Forgotten computer password (making the computer unusable)
v Sticky keys caused by spilling a liquid onto the keyboard
v Use of an incorrect ac adapter on laptop products
The following symptoms might indicate damage caused by nonwarranted
activities:
v Missing parts might be a symptom of unauthorized service or modification.
v If the spindle of a hard disk drive becomes noisy, it may have been subjected to

Checkout guide

Use the following procedures as a guide in identifying and correcting problems
with the ThinkPad computer.
Note: The diagnostic tests are intended to test only ThinkPad products. The use of
non-ThinkPad products, prototype cards, or modified options can lead to false
indications of errors and invalid system responses.
1. Identify the failing symptoms in as much detail as possible.
2. Verify the symptoms. Try to re-create the failure by running the diagnostic test

Diagnostics using PC-Doctor for DOS

The ThinkPad computer has a test program called PC-Doctor for DOS (hereafter
called PC-Doctor.) You can detect errors by running the diagnostics test included in
PC-Doctor. This section is an overview of the procedure. For details that depend
on model-unique functions, refer to "ThinkPad T61, R61, and R61i (14.1-inch
widescreen)" on page 43.
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ThinkPad T61, R61, and R61i (14.1-inch widescreen) Hardware Maintenance Manual
dropped
excessive force
incompatible card
material in the drive, or the insertion of a diskette with multiple labels
excessive force, or dropped.
or by repeating the operation.