Lenovo C255 All-in-One User Manual

Version 1.0Machine type: 10113/6268 [C240] 10114/6269 [C245] 10137/F0A1 [C255]2013.04LenovoC2 Series31504829User Guide

5User GuideComputer stand15º40ºUse the stand to position the display to your preference. It can be rotated 15º forward and 40º backward.Basic connecto

6User Guide Note: If your computer is equipped with a wireless keyboard or mouse, follow the installation instructions for those devices.Connecting y

7User GuideImportant information about using the computerPress the power button on the side of the computer to turn on the computer.Hold the computer

8User Guide

Troubleshooting and Confirming SetupThis chapter contains the following topic: Troubleshooting and Problem ResolutionUser Guide9

10User GuideSolving ProblemsFollow these tips when troubleshooting your computer:• Ifyouaddedorremovedapartbeforetheproblemstarted,review

11User GuideSpecial considerations for troubleshooting systemRecord the following information as it may be useful later when troubleshooting system pr

12User GuideDo not do any of the following:• Allowwatertoenterthecomputer.• Useaheavilydampenedcloth.• Spraywaterdirectlyontothesurfa

Hardware Replacement GuideThis chapter contains the following topics: Replacing the optical drive Replacing the keyboard and mouseUser Guide13

14User GuideOverviewThis guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs) as well as trained service pers

Important Safety InformationBefore using this manual, it is important that you read and understand all of the related safety information for this prod

15User GuideAdditional information resourcesIf you have Internet access, the most up-to-date information for your computer is available from the World

16User GuideHandling static-sensitive devicesStatic electricity, although harmless to you, can seriously damage computer components.When you are repla

17User GuideReplacing hardware Attention: Do not open your computer or attempt any repairs before reading the “Important safety information” in the S

18User Guide4. Push a small iron stick (paper clip) into the small hole on the optical drive cover so that the disk springs out as shown. 5. Remove

19User Guide7. Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk. 8. Separate the cover from the de

20User GuideReplacing the keyboard and mouse Note: Your keyboard will be connected to a USB connector at either side or at the rear of the computer.T

21User GuideAppendix.DeclarationThank you for using Lenovo products.Carefully read all documents shipped with your computer before you install and use

22User GuideTrademarksLenovo and the Lenovo logo, IdeaCentre and IdeaCentre logo are trademarks of Lenovo in the United States, other countries, or bo

23User GuideUbuntu Linux Special InstructionsThe Ubuntu® operating systemThank you for choosing a Lenovo® computer with the Ubuntu operating system. U

24User GuideSoftware LicenseThe end-user is free to use the Ubuntu operating system; this product contains an Ubuntu operating system trademark author

iContentsContentsImportant Safety InformationUsing the Computer Hardware ... 1Front view of the computer

iiContents

This chapter contains the following topics: Introduction to the computer hardware Information on computer connections Note: The descriptions in t

2User GuideFront view of the computer Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating.Built

3User GuideLeft and right views of the computer Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause thermal pr

4User GuideRear view of the computer1 2345Power connector HDMI-out connector (selected models only)USB 2.0 connectors (selected models only)Ethernet