User guide
Table Of Contents
- Read this first: Important safety information
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. You and your computer
- Chapter 4. Security
- Chapter 5. Advanced configuration
- Chapter 6. Preventing problems
- Chapter 7. Troubleshooting and diagnostics
- Basic troubleshooting
- Troubleshooting procedure
- Troubleshooting
- Audio problems
- CD problems
- DVD problems
- Intermittent problems
- Hard disk drive problems
- Problems with the keyboard or mouse
- Monitor problems
- Networking problems
- I have connected an option to my computer, but it does not work
- Performance and lockup problems
- The printer does not work
- Serial connector cannot be accessed
- Software problems
- My USB connectors cannot be accessed
- Diagnostics
- Chapter 8. Recovery information
- Chapter 9. Installing or replacing hardware
- Handling static-sensitive devices
- Installing or replacing hardware
- Installing external options
- Removing the computer cover
- Removing and reinstalling the front bezel
- Accessing the system board components and drives
- Installing or replacing a memory module
- Installing or replacing a PCI card
- Replacing the battery
- Replacing the hard disk drive
- Replacing the solid-state drive
- Installing or replacing the optical drive
- Replacing the slim card reader
- Replacing the heat sink and fan assembly
- Replacing the power supply assembly
- Replacing the microprocessor
- Replacing the front audio and USB assembly
- Replacing the system fan assembly
- Replacing the thermal sensor
- Installing or removing the front Wi-Fi antenna
- Installing or removing the rear Wi-Fi antenna
- Replacing the Wi-Fi units
- Replacing the keyboard or mouse
- Completing the parts replacement
- Chapter 10. Getting information, help, and service
- Appendix A. Regulatory information
- Appendix B. WEEE and recycling information
- Appendix C. Restriction of Hazardous Substances Directive (RoHS)
- Appendix D. China Energy Label
- Appendix E. ENERGY STAR model information
- Appendix F. Notices
- Index

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read
thisfirst:Importantsafetyinformation”onpagev
andAppendixF“Notices”onpage135.
FirstEdition(July2014)
©CopyrightLenovo2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.










