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manual abstract
ThinkPad L420, L421, and L520 Setup Poster
12/28/2010
Read this first
Finding information
Be sure to follow the important tips given here to continue to get the most use and enjoyment out of your computer.
To find detailed information about your computer, refer to the following manuals.
Failure to do so might lead to discomfort or injury, or cause your computer to fail.
Protect yourself from the heat that your computer generates.
User Guide
When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts
The User Guide is a comprehensive online manual preinstalled on your computer. It provides answers to
may become hot. The temperature they reach depends on the amount of system activity and the level of
most of your questions about your computer, helps you to configure preloaded features and tools, or
charge in the battery.
solve problems. To open the User Guide, do the following:
Extended contact with your body, even through clothing, could cause discomfort or even a skin burn.
For the Windows 7 operating system:
- Avoid keeping your hands, your lap, or any other part of your body in contact with a hot section of
Click Start, and then click Help and Support. The Windows Help and Support window opens. Click
the computer for any extended time.
Lenove User Guide. In the Lenovo User Guide window, click the link for your model and the User Guide
- Periodically take breaks from using the keyboard by lifting your hands from the palm rest.
will open.
For the Windows Vista and Windows XP operating systems:
Click Start. Move the pointer to All Programs, to ThinkVantage, and then to Lenove User Guide.
Protect yourself from the heat generated by the AC adapter.
In the Lenovo User Guide window, click the link for your model and the User Guide will open.
When the AC adapter is connected to an electrical outlet and your computer, it generates heat.
Safety and Warranty Guide
Extended contact with your body, even through clothing, may cause a skin burn.
- Do not place the AC adapter in contact with any part of your body while it is in use.
The Safety and Warranty Guide provides safety information, help and service information, and warranty
- Never use it to warm your body.
information for your computer. To obtain a PDF version of the Safety and Warranty Guide, go to
http://www.lenovo.com/support, click User Guides & Manuals, and then follow the instructions on the
screen.
Prevent your computer from getting wet.
Regulatory Notice
To avoid spills and the danger of electrical shock, keep liquids away from your computer.
The Regulatory Notice provides information about the radio frequency and safety standards. Be sure to
Protect the cables from being damaged.
read it before using wireless devices on your computer. To obtain a PDF version of the Regulatory Notice,
go to http://www.lenovo.com/support, click User Guides & Manuals, and then follow the instructions on
the screen.
Applying strong force to cables may damage or break them.
Route communication lines, or the cables of an AC adapter, a mouse, a keyboard, a printer, or any
other electronic device, so that they cannot be walked on, tripped over, pinched by your computer or other
objects, or in any way subjected to treatment that could interfere with the operation of your computer.
Protect your computer and data when moving it.
Before moving your computer, do one of the following, and make sure that the power switch is not lit
or is blinking:
- Turn it off.
- Press Fn+F4 to put it in sleep (standby) mode.
Getting help and service
- Press Fn+F12 to put it in hibernation mode.
To ensure that you receive the best performance from your computer, browse the following Web page to find
information such as aids for troubleshooting and answers to frequently asked questions:
This will help to prevent damage to the computer, and possible loss of data.
http://www.lenovo.com/support/faq
Handle your computer gently.
If you still need help, refer to "Getting help and service" in the Safety and Warranty Guide. You can get
help and information from the Customer Support Center by telephone. For current telephone numbers, go to:
Do not drop, bump, scratch, twist, hit, vibrate, push, or place heavy objects on your computer, display, or
http://www.lenovo.com/support/phone
external devices.
Lenovo, ThinkLight, ThinkPad, ThinkVantage, TrackPoint, UltraConnect, and UltraNav are trademarks of Lenovo in the United States,
Copyright Lenovo 2011.
other countries, or both.
Carry your computer carefully.
Windows and Windows Vista are trademarks of the Microsoft group of companies.
Other company, product, or service names may be trademarks or service marks of others.
- Use a quality carrying case that provides adequate cushioning and protection.
P/N: 0A60280
- Do not pack your computer in a tightly packed suitcase or bag.
- Before putting your computer in a carrying case, make sure that it is off, in sleep (standby) mode (Fn+F4),
or in hibernation mode (Fn+F12). Do not put a computer in a carrying case while it is turned on.