Lenovo 4749 [B545] Personal Computer User Manual


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47
User Guide
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at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.
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