Pc-Doctor For Dos; Cleaning The Mouse; Optical Mouse - Lenovo ThinkCentre M58e 7268 User Manual

PC-Doctor for DOS

You can also download the latest version of the PC-Doctor for DOS diagnostic
program from:
http://www.lenovo.com/support
The PC-Doctor for DOS diagnostic program runs independently of the Windows
operating system. Use the PC-Doctor for DOS if you are unable to start the
Windows operating system or if the Lenovo System Toolbox and the PC-Doctor for
Windows PE have not been successful in isolating a possible problem. You can run
the PC-Doctor for DOS from a diagnostic CD/DVD image that you create.
Creating a diagnostic CD/DVD image
To create a diagnostic CD/DVD image, download a self-starting bootable
CD/DVD image (known as an ISO image) of the diagnostic program from
http://www.lenovo.com/support
After you download the image, you can create the CD/DVD using any CD/DVD
burning software.
Running diagnostics from the disc
To run diagnostics from the diagnostic CD/DVD image that you created, do the
following:
1. Make sure the optical drive you want to use is set as the first boot device in the
2. Make sure the computer is turned on. Then, insert the disc into the optical
3. Turn the computer off and back on again. When the diagnostics program
4. Select the diagnostic test you want to run. Press the F1 key for additional help.

Cleaning the mouse

This section provides instructions on how to clean an optical or non-optical mouse.

Optical mouse

An optical mouse uses a light-emitting diode (LED) and an optical sensor to
navigate the pointer. If the pointer on the screen does not move smoothly with the
optical mouse, you might need to clean the mouse.
To clean the optical mouse:
1. Turn off your computer.
2. Disconnect the mouse cable from the computer.
3. Turn the mouse upside down to look at the lens.
4. Check the surface on which you are using the mouse. If you have a very
5. Reconnect the mouse cable to the computer.
6. Turn your computer back on.
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User Guide
startup device sequence. See "Selecting a startup device" on page 59.
drive.
opens, follow the instructions on the screen.
Note: When the program finishes, be sure to remove the disc from the optical
drive.
a. If there is a smudge on the lens, gently clean the area with a plain
cotton-tipped swab.
b. If there is debris in the lens, gently blow the debris away from the area.
intricate picture or pattern beneath the mouse it may be difficult for the digital
signal processor (DSP) to determine changes in the mouse position.