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:

LCD panel cracked from the application of excessive force or from being dropped

Scratched (cosmetic) parts

Distortion, deformation, or discoloration of the cosmetic parts

Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force

Damage caused by liquid spilled into the system

Damage caused by the improper insertion of a PC Card or the installation of an incompatible card

Improper disc insertion or use of an optical drive

Diskette drive damage caused by pressure on the diskette drive cover, foreign material in the drive, or the insertion of a diskette with multiple labels

Damaged or bent diskette eject button

Fuses blown by attachment of a nonsupported device

Forgotten computer password (making the computer unusable)

Sticky keys caused by spilling a liquid onto the keyboard

Use of an incorrect ac adapter on laptop products

The following symptoms might indicate damage caused by nonwarranted activities:

Missing parts might be a symptom of unauthorized service or modification.

If the spindle of a hard disk drive becomes noisy, it may have been subjected to excessive force, or dropped.

Checkout guide

Use the following procedures as a guide in identifying and correcting problems with the ThinkPad Notebook.

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 or by repeating the operation.

Diagnostics using PC-Doctor for DOS

The ThinkPad Notebook 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.

Note: PC-Doctor for DOS is available at the following Web site: http://www.lenovo.com/support

To create the PC-Doctor diagnostic CD, follow the instructions on the Web site.

For some possible configurations of the computer, PC-Doctor might not run correctly. To avoid this problem, you need to initialize the computer setup by use of the BIOS Setup Utility before you run PC-Doctor.

To enter BIOS Setup Utility, do as follows:

1.Turn on the computer.

2.When the ThinkPad logo comes up, immediately press F1 to enter the BIOS Setup Utility.

30ThinkPad T510, T510i, and W510 Hardware Maintenance Manual

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Lenovo W510, T510I manual Checkout guide, Diagnostics using PC-Doctor for DOS