Lenovo H415 Lenovo H4 Series Hardware Replacement Guide V3.0 - Page 7

Additional information resources If you have Internet access, the most up-to-date information for your computer is available from the World Wide Web. You can find the following information: • CRU removal and installation information • Publications • Troubleshooting information • Parts information • Links to other useful sources of information To access this information, go to http://consumersupport.lenovo.com. Tools required To disassemble the computer, you need the following tools: • Wrist grounding strap and conductive mat for preventing electrostatic discharge • Flat screwdriver • Phillips screwdriver • Hex screwdriver • Plastic flat screwdriver • Plastic tweezers Note: The screws for the different components vary in size. During the disassembly procedure, group the screws with their corresponding components to avoid a mismatch when replacing the components. Handling static-sensitive devices Static electricity is harmless to you, but it can seriously damage computer components. When you are replacing a part, do not open the antistatic package containing the new part until the defective part has been removed from the computer and you are ready to install the new part. Take these precautions to avoid static electricity damage when handling parts and other computer components: • Limit your movement. Movement can cause staticelectricity to build up around you. 2 Hardware Replacement Guide