Laptop User Manual
Table Of Contents
- Important safety information
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. You and your computer
- Chapter 4. Security
- Chapter 5. 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
- Installing or replacing a PCI card
- Installing or replacing a memory module
- Installing or replacing the optical drive
- Installing or replacing the card reader
- Replacing the battery
- Replacing the power supply assembly
- Replacing the heat sink and fan assembly
- Replacing the microprocessor
- Replacing the primary hard disk drive
- Replacing the secondary hard disk drive
- Installing the solid-state drive
- Replacing the front fan assembly
- Replacing the rear fan assembly
- Replacing the front audio and USB assembly
- Replacing the internal speaker
- Replacing the thermal sensor
- Replacing the cover presence switch
- Replacing the WiFi units
- Installing or removing the rear WiFi antenna
- Installing or removing the front WiFi antenna
- Replacing the keyboard or mouse
- Completing the parts replacement
- Chapter 6. Recovery information
- Chapter 7. Using the Setup Utility program
- Chapter 8. Updating system programs
- Chapter 9. Preventing problems
- Chapter 10. Troubleshooting and diagnostics
- Chapter 11. Getting information, help, and service
- Appendix A. Notices
- Appendix B. Regulatory information
- Appendix C. WEEE and recycling information
- Appendix D. Restriction of Hazardous Substances Directive (RoHS)
- Appendix E. ENERGY STAR model information
- Index
Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.
Monitorproblems
Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,
width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype.
Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes
withyourmonitor.
Selectyoursymptomfromthefollowinglist:
•“Wrongcharactersappearonthescreen”onpage109
•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity”onpage109
•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication
programs”onpage109
•“Theimageappearstobeickering”onpage109
•“Theimageisdiscolored”onpage110
Wrongcharactersappearonthescreen
Symptom:Wrongcharactersappearonthescreen.
Action:Havethecomputerserviced.Fordetails,seeChapter11“Gettinginformation,help,andservice”on
page119.
Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod
ofcomputerinactivity
Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity.
Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe
power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage119.
Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart
someapplicationprograms
Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome
applicationprograms.
Actions:
•Ensurethatthemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron
thecomputer.Aloosecablecancauseintermittentproblems.
•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe
documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage119
.
Theimageappearstobeickering
Symptom:Theimageappearstobeickering.
Chapter10.Troubleshootinganddiagnostics109