Lenovo ThinkPad R50 Greek - Service and troubleshooting guide for ThinkPad R50 - Page 18
Cleaning the cover of your computer, Cleaning your computer keyboard, Cleaning your computer display
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Caring for your ThinkPad computer 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. 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 fibers from the cloth. Cleaning your computer keyboard 1. Absorb some isopropyl rubbing alcohol on a soft, dust-free cloth. 2. Wipe the keytop surface with the cloth, ensuring no liquid drips on or between the keys. 3. Allow to dry. 4. You can use compressed air to remove any crumbs and dust from beneath the keys. Note: Avoid spraying cleaner directly on the display or the keyboard. Cleaning your computer display 1. Gently wipe the display with a dry, soft lint-free cloth. If you see a scratchlike mark on your display, it might be a stain transferred from the keyboard or the TrackPoint pointing stick when the cover was pressed from the outside. 8 ThinkPad® R50 Series Service and Troubleshooting Guide