Lenovo R50 Series manual Cleaning the cover of your computer, Cleaning your computer keyboard

Caring for your ThinkPad computer

vTake care not to turn your computer over while the ac adapter is plugged in. This could break the adapter plug.

vTurn off your computer if you are replacing a device in a device bay, or else verify that the device is warm-or hot-swappable.

vIf you exchange drives in your computer, reinstall the plastic bezel faces (if supplied).

vStore 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.

vBefore 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.

8ThinkPad® R50 Series Service and Troubleshooting Guide