Lenovo 2743 Service Guide - Page 13

Be sure not to modify your computer, Take care in setting passwords, Care for the fingerprint reader - disassembly

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v Store your external and removable hard disk or optical drives in the appropriate containers or packaging when they are not being used. v 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 module - PCI Express Mini Card - ExpressCard - Memory Card, such as xD-Picture Card, SD Card, Memory Stick, and MultiMediaCard Note: When transferring data to or from a Flash Media Card, such as an SD card, do not put your computer in sleep (standby) or hibernation mode before the data transfer is complete. To do so might cause damage to your data. Be sure not to modify your computer v Only an authorized ThinkPad repair technician should disassemble and repair your computer. v Do not modify or tape the latches to keep the display open or closed. Take care in setting passwords v Remember your passwords. If you forget a supervisor or hard disk password, Lenovo authorized service provider cannot reset it, and you will have to replace your system board, or HDD. Care for the fingerprint reader The following actions could damage the fingerprint reader or cause it not to work properly: v Scratching the surface of the reader with a hard, pointed object. v Scraping the surface of the reader with your nail or anything hard. v Using or touching the reader with a dirty finger. If you notice any of the following conditions, gently clean the surface of the reader with a dry, soft, lint-free cloth: v The surface of the reader is dirty or stained. v The surface of the reader is wet. v The reader often fails to enroll or authenticate your fingerprint. 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. Chapter 2. Taking care of your ThinkPad computer 5

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v
Store your external and removable hard disk or optical drives in the
appropriate containers or packaging when they are not being used.
v
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 module
–
PCI Express Mini Card
–
ExpressCard
–
Memory Card, such as xD-Picture Card, SD Card, Memory Stick, and
MultiMediaCard
Note:
When transferring data to or from a Flash Media Card, such as an SD
card, do not put your computer in sleep (standby) or hibernation mode before
the data transfer is complete. To do so might cause damage to your data.
Be sure not to modify your computer
v
Only an authorized ThinkPad repair technician should disassemble and
repair your computer.
v
Do not modify or tape the latches to keep the display open or closed.
Take care in setting passwords
v
Remember your passwords. If you forget a supervisor or hard disk
password, Lenovo authorized service provider cannot reset it, and you will
have to replace your system board, or HDD.
Care for the fingerprint reader
The following actions could damage the fingerprint reader or cause it not to
work properly:
v
Scratching the surface of the reader with a hard, pointed object.
v
Scraping the surface of the reader with your nail or anything hard.
v
Using or touching the reader with a dirty finger.
If you notice any of the following conditions, gently clean the surface of the
reader with a dry, soft, lint-free cloth:
v
The surface of the reader is dirty or stained.
v
The surface of the reader is wet.
v
The reader often fails to enroll or authenticate your fingerprint.
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.
Chapter 2. Taking care of your ThinkPad computer
5