Lenovo 23539KU Laptop User Manual


 
Turn off your computer if you are replacing the hard disk drive or solid state drive.
When replacing the primary hard disk drive or solid state drive, reattach the cover of the drive slot.
Store your external and removable hard disk or optical drives 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.
Memory module
Mini-PCI card
ExpressCard
CompactFlash
Smart card
Memory card, such as SD card, SDHC card, SDXC card, and MultiMediaCard.
Note: Not all listed devices are included in your computer.
This action reduces any static electricity from your body. The static electricity could damage the device.
When transferring data to or from a ash 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.
Take care in 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, or hard disk drive or solid state drive.
Care for the ngerprint reader
The following actions could damage the ngerprint reader or cause it not to work properly:
Scratching the surface of the reader with a hard, pointed object.
Scraping the surface of the reader with your ngernail or anything hard.
Using or touching the reader with a dirty nger.
If you notice any of the following conditions, gently clean the surface of the reader with a dry, soft, lint-free
cloth:
The surface of the reader is dirty or stained.
The surface of the reader is wet.
The reader often fails to enroll or authenticate your ngerprint.
Register your computer
Register your ThinkPad products with Lenovo (refer to the Web page at http://www.lenovo.com/register).
This can help authorities return your computer to you if it is lost or stolen. Registering your computer also
enables Lenovo to notify you about possible technical information and upgrades.
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:
134 User Guide