Lenovo C455 All-in-One Bedienungsanleitung

Version 1.0Machine type: 10102/4773 [C340] 10103/4751 [C345] 10104/6595 [C440] 10105/6596 [C445] 10110/6267 [C540] 10138/F0A2 [C355] 10139/F0A3

5User GuideRear view of the computer78126543C340 / C345 / C440 / C445 / C540：C355 / C455：TV tuner connector (selected models only)Power connectorEther

6User GuideInstalling the computer stand1. Raise the stand holder. 2. Line up the stand base with the mounting holes in the stand holder, then push

7User GuideComputer standUse the stand to position the display to your preference. It can be rotated 5° forward and 25° backward.

8User GuideBasic connector instructions Note: Your computer may not have all of the connectors described in this section.Connector DescriptionMicroph

9User GuideConnecting your computerConnecting the power cordConnect the power cord to an electrical outlet. We recommend using a grounded connection o

10User GuideImportant information about using the computerPress the power button on the side of the computer to turn on the computer.Hold the computer

11User GuideConnecting to the InternetTo connect to the Internet, you’ll need a contract with an Internet Service Provider (ISP) and some hardware.IPS

12User GuideWired keyboard (selected models only)LVT —— After entering Windows, press this key to launch the LVT (Lenovo Vantage Technology) program,

Using Windows 8.1This chapter contains the following topics: Switching between the main Windows 8.1 interfaces The Charms Bar Shutting down the

14User GuideSwitching between the main Windows 8.1 interfacesWindows 8.1 comes with two main user interfaces: the Start Screen and the Windows desktop

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

15User GuideSwitching between appsSometimes you want to get back to an app you were just using, or quickly switch through your recent apps.To switch b

16User Guide

Using the Rescue SystemThis chapter contains the following topics: OneKey Recovery Driver and Application Installation Attention: Using OneKey Re

18User GuideNote about the service partition:The files and relevant data used by the rescue system are saved in the service partition. Deleting this pa

19User GuideDriver and Application InstallationThe Driver and Application Installation function in the rescue system provides a way for the user to co

20User Guide

Using the SoftwareThis chapter contains the following topic: Software instructions Note: The interface and functionality of these features will dep

22User GuideLenovo SupportThe Lenovo Support program enables you to register your computer with Lenovo, download and view user manuals for your comput

Troubleshooting and Confirming SetupThis chapter contains the following topic: Troubleshooting and Problem ResolutionUser Guide23

24User GuideSolving ProblemsFollow these tips when troubleshooting your computer:• Ifyouaddedorremovedapartbeforetheproblemstarted,review

25User GuideProblem: Ripple on screen.Troubleshooting and problem resolution:1. Check to see if any of the following devices are located less than on

26User GuideTroubleshooting Software ProblemsProblem: You are unable to exit a running program normally.Troubleshooting and problem resolution:1. Pre

27User Guide2. Confirm that the CD/DVD has been properly placed in the drive. If not, reload the CD or DVD. Otherwise, continue with the next step of

28User GuideWindows Help and SupportIf you have a problem with the operating system, see the Windows Help and Support file. To open the Windows Help an

29User GuidePerforming Daily Maintenance TasksCleaning the computer componentsBecause many of the computer components consist of sophisticated integra

30User Guide

Hardware Replacement GuideThis chapter contains the following topics: Removing the stand base Removing the foot cover Replacing a memory module

32User GuideOverviewThis guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs) as well as trained service pers

33User GuideAdditional information resourcesIf you have Internet access, the most up-to-date information for your computer is available from the World

34User GuideHandling static-sensitive devicesStatic electricity, although harmless to you, can seriously damage computer components.When you are repla

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

35User GuideReplacing hardware Attention: Do not remove the computer cover or attempt any repairs before reading the “Important safety information” i

36User Guide4. To release the stand base from the stand holder, twist the hand screw ring counter-clockwise until the base comes loose. 5. Slide the

37User Guide5. Lift up the stand holder then slide out the foot cover as shown.6. To reattach the foot cover:a. Lift up the stand holder.b. Line u

38User Guide6. Push out the latches on both sides of the memory socket to release the memory module and gently pull the memory module upward to remo

39User Guide4. Remove the stand base. Refer to “Removing the stand base”.5. Remove the foot cover. Refer to “Removing the foot cover”.6. Push the h

40User GuideReplacing the optical drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note

41User Guide7. Push a small iron stick (paper clip) into the small hole on the optical drive cover so that the disk springs out as shown.8. Use a sm

42User Guide10. To install the new optical drive:a. Align the new optical drive with the cover, and then push the cover back into position.b. Slide

43User Guide3. Connect the new adapter as shown. C340 / C345 / C440 / C445 / C540：C355 / C455：

44User 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

iiContentsTroubleshooting and Confirming Setup ... 23Troubleshooting Display Problems ...

45User GuideAppendix.DeclarationThank you for using Lenovo products.Carefully read all documents shipped with your computer before you install and use

46User GuideTrademarksLenovo and the Lenovo logo, IdeaCentre and IdeaCentre logo are trademarks of Lenovo in the United States, other countries, or bo

47User GuideEnergy Star StatementENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed a

48User GuideENERGY STAR power-management features, by operating system.Microsoft Windows Vista, Windows 7, Windows 8 and Windows 8.1Power plan: Balanc

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.1 237

3User Guide1 237654 8 910C355 / C455 Built-in microphone Built-in cameraHard disk drive indicator Wi-Fi status indicatorPower indicator Volume downVol

4User 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