v Take care not to turn your computer over while the ac adapter is plugged
in. This could break the adapter plug.
v Turn off your computer if you are replacing a device in a device bay, or else
verify that the device is warm-or hot-swappable.
v If you exchange drives in your computer, reinstall the plastic bezel faces (if
supplied).
v Store your external and removable hard disk, diskette, CD, DVD, and
CD-RW/DVD drives in the appropriate containers or packaging when they
are not being used.
v Before you install any of the following devices, touch a metal table or a
grounded metal object. This action reduces any static electricity from your
body. The static electricity could damage the device.
– PC Card
– Smart Card
– Memory Card, such as SD Card, Memory Stick, and MultiMediaCard
– Memory module
– Mini-PCI Card
– Communication Daughter Card
Cleaning
the cover of your computer
Occasionally clean your computer as follows:
1. Prepare a mixture of a gentle kitchen-use detergent (one that does not
contain abrasive powder or strong chemicals such as acid or alkaline). Use
5 parts water to 1 part detergent.
2. Absorb the diluted detergent into a sponge.
3. Squeeze excess liquid from the sponge.
4. Wipe the cover with the sponge, using a circular motion and taking care
not to let any excess liquid drip.
5. Wipe the surface to remove the detergent.
6. Rinse the sponge with clean running water.
7. Wipe the cover with the clean sponge.
8. Wipe the surface again with a dry, soft lint-free cloth.
9. Wait for the surface to dry completely and remove any cloth fibers from
the computer surface.
Cleaning
your computer keyboard
1. Absorb some isopropyl rubbing alcohol on a soft, dust-free cloth.
Caring for your ThinkPad computer
8 ThinkPad
®
R50 Series Service and Troubleshooting Guide
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