Lenovo E31-70 User Manual page 52

• When installing the hard disk drives or optical drives, follow the instructions
shipped with your hardware, and apply pressure only where needed on the
device.
• Turn off your computer if you are replacing the hard disk drive.
• Store your external and removable hard disk drives or optical drives in the
appropriate containers or packaging when not in use.
• 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.
– Memory cards, such as SD cards, Memory Stick cards, MultiMediaCards,
and Memory Stick Pro cards
– Memory modules
Note: Not all devices listed are included in your computer.
• When transferring data to or from a flash media card, such as an SD card, do
not put your computer in sleep or hibernation mode before the data transfer is
complete. Otherwise, data might be damaged.
Clean the computer cover
Occasionally clean your computer cover by doing the following:
Note: Before cleaning the computer cover, ensure that you have turned off the
computer and disconnected the power cord.
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 cover to remove the detergent.
6. Rinse the sponge with clean running water.
7. Wipe the cover with the clean sponge.
8. Wipe the cover again with a dry, soft, lint-free cloth.
9. Wait for the cover to dry completely and remove any fibers from the cloth.
Clean the computer keyboard
To clean the computer keyboard, do the following:
1. Apply some isopropyl rubbing alcohol to a soft, dust-free cloth.
Note: Avoid spraying cleaner directly onto the keyboard.
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User Guide