Laptop User Manual
Table Of Contents
- Read this first
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. You and your computer
- Chapter 4. Security
- Chapter 5. Recovery overview
- Chapter 6. Replacing devices
- Static electricity prevention
- Replacing the battery
- Replacing the SIM card
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing a PCI Express Mini Card for wireless LAN connection
- Replacing a PCI Express Mini Card for wireless WAN connection
- Replacing a memory module
- Replacing the keyboard
- Replacing the backup battery
- Replacing the thermal fan
- Chapter 7. Advanced configuration
- Chapter 8. Preventing problems
- Chapter 9. Troubleshooting computer problems
- Diagnosing problems
- Troubleshooting
- Computer stops responding
- Spills on the keyboard
- Error messages
- Errors without messages
- Beep errors
- Memory module problems
- Networking problems
- Problems with the keyboard and other pointing devices
- Problems with the display and multimedia devices
- Fingerprint reader problems
- Battery and power problems
- Problems with drives and other storage devices
- A software problem
- Problems with ports and connectors
- Chapter 10. Getting support
- Appendix A. Regulatory information
- Wireless related information
- Export classification notice
- Electronic emission notices
- Federal Communications Commission Declaration of Conformity
- Industry Canada Class B emission compliance statement
- European Union - Compliance to the Electromagnetic Compatibility Directive
- German Class B compliance statement
- Korea Class B compliance statement
- Japan VCCI Class B compliance statement
- Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase
- Lenovo product service information for Taiwan
- Appendix B. WEEE and recycling statements
- Appendix C. ENERGY STAR model information
- Appendix D. Notices
- Appendix E. Restriction of Hazardous Substances Directive (RoHS)
4.Removeallcablesfromdevices.
Thepowercordmustbedisconnectedfromthewalloutletorreceptaclebeforeinstallingallother
electricalcablesconnectedtothecomputer.
Thepowercordmaybereconnectedtothewalloutletorreceptacleonlyafterallotherelectrical
cableshavebeenconnectedtothecomputer.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Liquidcrystaldisplay(LCD)notice
CAUTION:
TheLCDismadeofglass,androughhandlingordroppingthecomputercancausetheLCDtobreak.
IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyourhands,immediatelywashthe
affectedareaswithwaterforatleast15minutes;ifanysymptomsarepresentafterwashing,get
medicalcare.
Note:Forproductswithmercury-containinguorescentlamps(forexample,non-LED),theuorescentlamp
intheliquidcrystaldisplay(LCD)containsmercury;disposeofaccordingtolocal,state,orfederallaws.
Usingheadphonesorearphones
Ifyourcomputerhasbothaheadphoneconnectorandanaudio-outconnector,alwaysusetheheadphone
connectorforheadphones(alsocalledaheadset)orearphones.
CAUTION:
Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.Adjustmentof
theequalizertomaximumincreasestheearphoneandheadphoneoutputvoltageandthesound
pressurelevel.Therefore,toprotectyourhearing,adjusttheequalizertoanappropriatelevel.
Excessiveuseofheadphonesorearphonesforalongperiodoftimeathighvolumecanbedangerousifthe
outputoftheheadphoneorearphoneconnectorsdonotcomplywithspecicationsofEN50332-2.The
headphoneoutputconnectorofyourcomputercomplieswithEN50332-2Subclause7.Thisspecication
limitsthecomputer’smaximumwidebandtrueRMSoutputvoltageto150mV.Tohelpprotectagainst
hearingloss,ensurethattheheadphonesorearphonesyouusealsocomplywithEN50332-2(Clause7
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