User's 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
- 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
- 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)
- Appendix F. Eurasian compliance mark
IfyouneedtoremovethewirelessLANcard 1 forrepairorreplacement,followtheprocedurein“Replacing
aPCIExpressMiniCardforwirelessLANconnection”onpage74.
Note:OnlyLenovoauthorizedwirelessLANisallowedtobeusedinyourcomputer.Ifyouinstallan
unauthorizedPCIExpressMiniCardthatisnotapprovedforuseinyourcomputer,thecomputerwillnot
start,butwillonlydisplayanerrormessageandemitaudiblebeeps.
CerticateofAuthenticitylabel
TheCerticateofAuthenticitylabelforthepreinstalledoperatingsystemisattached.Printedonthislabelare
theproductIDandtheproductkeyinformationforyourcomputer.Recordthisinformationandkeepitina
safeplace.Youmightneedthesenumberstostartyourcomputerorreinstalltheoperatingsystem.
TheCerticateofAuthenticitylabelofyourcomputerisshownasbelow:
Note:TheCerticateofAuthenticitylabelonlyappliestocomputerspreinstalledwiththeWindows7
operatingsystem.
Features
Thistopicliststhefeaturesofyourcomputer.
Processor
•Toviewtheprocessorinformationofyourcomputer,dothefollowing:
–ForWindows7:ClickStart,right-clickComputer.ThenclickProperties.
–ForWindows8:Movethecursortothebottomrightcornerofthescreentobringupthecharms.
ThenclickSettings➙PCinfo.
Memory
•Doubledatarate3synchronousdynamicrandomaccessmemorymodules(DDR3SDRAM)
Storagedevice
•2.5-inchharddiskdrivewithaheightof7mm(0.28inch)or9.5mm(0.37inch)
Display
ThecolordisplayusestheTFTtechnology.
•Size:
–ForE445models:14.0inches(355.6mm)
Chapter1.Productoverview13