Cleaning The Cover Of Your Computer - Lenovo ThinkPad E450 User Manual
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- User manual (166 pages) ,
- Hardware maintenance manual (104 pages)
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• When replacing the hard disk drive, hybrid drive, or solid-state drive reattach the cover of the drive slot.
• Store your external and removable hard disk drive, hybrid drive, or solid-state drive in the appropriate
containers or packaging when they are not being used.
• 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.
Note: Not all listed devices are included in your computer.
– Memory module
– Mini-PCI card
– Memory card, such as an SD card, SDHC card, SDXC card, and a MultiMediaCard
This action reduces any static electricity from your body. The static electricity could damage the device.
• 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. To do so might cause damage to your
data.
Taking care when setting passwords
• Remember your passwords. If you forget a supervisor or hard disk password, Lenovo will not reset it, and
you might have to replace your system board, hard disk drive, hybrid drive, or solid-state drive.
Taking care of the fingerprint reader
The following actions could damage the fingerprint reader or cause it not to work properly:
• Scratching the surface of the fingerprint reader with a hard, pointed object.
• Scraping the surface of the fingerprint reader with your fingernail or anything hard.
• Using or touching the fingerprint reader with a dirty finger.
If you notice any of the following conditions, gently clean the surface of the fingerprint reader with a dry,
soft, lint-free cloth:
• The surface of the fingerprint reader is dirty or stained.
• The surface of the fingerprint reader is wet.
• The fingerprint reader often fails to enroll or authenticate your fingerprint.
Registering your computer
• Register your ThinkPad computer with Lenovo at http://www.lenovo.com/register. For more information,
see "Registering your computer" on page 15.
Be sure not to modify your computer
• Only an authorized ThinkPad repair technician should disassemble and repair your computer.
• Do not modify or tape the latches to keep the display open or closed.
Cleaning the cover of your computer
Occasionally clean your computer by doing the following:
1. Prepare a mixture of a gentle kitchen-use detergent. The detergent must not contain abrasive powder or
strong chemicals such as acid or alkaline. Use five parts water to one 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.
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