Lenovo ThinkPad L420- Manuals

http://www.lenovo.com/support/phone Frequently inspect your computer and its components for damage or wearor signs of danger. If you have any question about the condition of acomponent, do not use the product. Contact the Customer Support Centeror the product manufacturer for instructions on how to ...

Danger: Hazardous moving parts statement DANGER Hazardous moving parts. Keep fingers and other body parts away. Safety and Warranty Guide v

Batteries DANGER Personal computers manufactured by Lenovo contain a coin cell batteryto provide power to the system clock. In addition, many mobile products,such as notebook computers, utilize a rechargeable battery pack toprovide system power when in portable mode. Batteries supplied byLenovo for ...

Rechargeable battery notice DANGER Do not attempt to disassemble or modify the battery pack. Attempting todo so can cause an explosion, or liquid leakage from the battery pack. Abattery pack other than the one specified by Lenovo, or a disassembled ormodified battery pack is not covered by the warra...

Electrical current safety information DANGER Electric current from power, telephone, and communication cables ishazardous. DANGER Connect and disconnect cables as described in the following procedureswhen installing, moving, or opening covers on this product or attacheddevices. To connect: 1. Turn e...

grounding and, in particular, specifies that the cable ground shall be connected tothe grounding system of the building, as close as possible to the point of cableentry as practical. Example of antenna grounding Proper grounding for the cable 1 Ground clamp 5 Power service groundingelectrode system ...

The following notice applies to all countries and regions: DANGER Outdoor antennagrounding If an outside antenna or cable system is connectedto the equipment, be sure the antenna or cablesystem is grounded as to provide some protectionagainst voltage surges and built-up static charges. Lightning For...

Using headphones or earphones If your computer has both a headphone connector and an audio line-outconnector, always use the headphone connector for headphones (also called aheadset) or earphones. CAUTION:Excessive sound pressure from earphones and headphones can causehearing loss. Adjustment of the...

Chapter 1. Finding information This topic provides information about your product. The information can also befound on the computer, on the Lenovo Web site, and in the box. User Guide This Safety and Warranty Guide includes the minimal required safety statements for shipping the product. Refer to th...

Chapter 2. Getting help and service If you need help, service, technical assistance, or just want more informationabout ThinkPad Notebooks, you will find a wide variety of sources available fromLenovo to assist you. This topic contains information about where to go foradditional information about Th...

• Replacement or use of parts not manufactured for or by Lenovo ornonwarranted parts Note: All warranted parts contain a 7-character identification in the format FRU XXXXXXX. • Identification of software problem sources• Configuration of BIOS as part of an installation or upgrade• Changes, modificat...

the warranty period. Service will be performed by service providers authorizedto perform warranty service. Service methods and procedures vary by country, and some services might notbe available in all countries. International Warranty Service is delivered throughthe method of service (such as depot...

Appendix A. Lenovo Limited Warranty This Appendix provides information regarding the warranty period and type ofwarranty service applicable to your Lenovo hardware product in your countryor region. ThinkPad L420 and L421 Machine Type Country or Region of Purchase Warranty Period Type of Warranty Ser...

available service. Scheduling of service will depend upon the time of your call,parts availability, and other factors. Types of Warranty Service 1. Customer Replaceable Unit (“CRU”) Service Under CRU Service, the Service Provider will ship CRUs to you at its cost forinstallation by you. CRU informat...

5. Mail-In Service Under Mail-In Service, your product will be repaired or exchanged at a designatedservice center after you deliver it at your risk and expense. After the producthas been repaired or exchanged, it will be returned to you at Lenovo’s risk andexpense, unless the Service Provider speci...

Appendix B. Customer Replaceable Units Customer Replaceable Units (CRUs) are computer parts that the customer canupgrade or replace. There are two types of CRU: self-service and optional-service.Self-service CRUs are easy to install. They may be standalone or latched,or require a screwdriver to remo...

Note: Use only computer parts provided by Lenovo. For warranty informationabout the CRUs for your machine type, see “Types of Warranty Service”on page 16. The following tables list CRUs for your computer and tell where to find thereplacement instructions. Self-service CRUs Setupinstructions User Gui...

Appendix C. Regulatory information Wireless WAN and LAN regulatory information For more information about the wireless regulatory notice, refer to the Regulatory Notice shipped with your computer. If your computer is shipped without the Regulatory Notice , you can find it on the Lenovo Support Web s...

Appendix D. WEEE and recycling statements China WEEE statement Japan recycling statements Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computeror monitor that is the property of the company, you must do so inaccordance wi...

one, contact your place of purchase or ask for a repair service provided by Lenovo.If you have replaced it by yourself and want to dispose of the disused lithiumbattery, insulate it with vinyl tape, contact your place of purchase, and follow theirinstructions. If you use a Lenovo computer at home an...

Appendix E. Notices Power cord notice For your safety, Lenovo provides a power cord with a grounded attachment plugto use with this product. To avoid electrical shock, always use the power cord andplug with a properly grounded outlet. Power cords provided by Lenovo in the United States and Canada ar...

Ukraine RoHS ENERGY STAR model information ENERGY STAR ® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting theenvironment through energy efficient products and practices. Lenovo is proud to offer our customers produc...

Windows 7 and Windows Vista Windows XP Power plan: Energy Saver at AC mode • Turn off the display: After 10 minutes • Put the computer to sleep: After 25minutes • Advanced power settings: – Turn off hard disks: After 15 minutes – Hibernate: Never Power scheme: Energy Saver at AC mode • Turn off moni...

Trademarks The following terms are trademarks of Lenovo in the United States, othercountries, or both: LenovoThinkPadThinkVantageTrackPoint Microsoft, Windows, and Windows Vista are trademarks of the Microsoft groupof companies. Other company, product, or service names may be trademarks or service m...