Lenovo C240 User Manual page 36

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://support.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
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.
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User Guide