Lenovo Safety and General Information Guide - Manual (Page 22)

Chapter 2. Use and care Information
17
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Cleaning your computer keyboard
1 Absorb some isopropyl rubbing alcohol on a soft, dust-free cloth.
2 Wipe each keytop surface with the cloth. Wipe the keys one by one; if you
wipe several keys at a time, the cloth may hook onto an adjacent key and
possibly damage it. Make sure that no liquid drips onto or between the
keys.
3 Allow to dry.
4 To remove any crumbs and dust from beneath the keys, you can use a
camera blower with a brush or cool air from a hair drier.
Note: Avoid spraying cleaner directly on the display or the keyboard.
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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 when the cover was pressed from the outside.
2 Wipe or dust the stain gently with a soft, dry cloth.
3 If the stain remains, moisten a soft, lint-free cloth with water or a 50-50
mixture of isopropyl alcohol and water that does not contain impurities.
4 Wring out as much of the liquid as you can.
5 Wipe the display again; do not let any liquid drip into the computer.
6 Be sure to dry the display before closing it.