Lenovo 4218, 4155, 4158 manual Setting up your computer

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1 Audio line-in connector

Used to receive audio signals from an external audio

 

device, such as a stereo system. When you attach an

 

external audio device to your computer, connect the

 

cable to the audio line-out connector of the device and

 

the audio line-in connector of the computer.

2 Audio line-out connector

Used to send audio signals from the computer to

(front speaker connector)

external audio devices, such as powered stereo speakers

 

(speakers with built-in amplifiers), multimedia

 

keyboards, or the audio line-in connector on a stereo

 

system or other external recording devices.

 

When used with 5.1 or 7.1 surround speakers, this

 

connector should be attached to the front left and right

 

speakers.

3 Microphone connector

Used to attach a microphone to your computer when

 

you want to record sound or if you use

 

speech-recognition software.

4 Headphone connector

Used to attach headphones to your computer when you

 

want to listen to music or other sounds without

 

disturbing anyone. This connector might be located on

 

the front of the computer.

5 Audio line-out connector (subwoofer/center speaker connector)

6 Audio line-out connector (rear speaker connector)

7 Audio line-out connector (side speaker connector)

8 Optical SPDIF (Sony Philips Digital Interconnect Format) in connector

9 Optical SPDIF out connector

When used with 5.1 or 7.1 surround speakers, this connector should be attached to the center speaker and subwoofer.

When used with 5.1 or 7.1 surround speakers, this connector should be attached to the rear left and right speakers.

When used with 7.1 surround speakers, this connector should be attached to the side left and right speakers.

Used to receive 5.1 digital audio signals from an external device, such as a receiver or other multimedia devices, through a TOSLINK (ToshibaLink) optical cable.

Used to send 5.1 digital audio signals from a computer to an external device, such as an amplifier or a receiver, through a TOSLINK optical cable.

Chapter 3. Setting up your computer 9

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Contents ThinkStation User Guide Page ThinkStation User Guide Second Edition October Copyright Lenovo Contents Appendix B. System memory speed Appendix C. Notices Introduction Vi User Guide Important safety information User Guide Glare and lighting Arranging your workspaceComfort Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerUser Guide Setting up your computer User Guide Setting up your computer If you have powered speakers with an ac power adapter 1394 Completing important tasks Turning on computer powerFinishing the software installation Installing external options Installing other operating systemsUpdating your operating system Updating your antivirus softwareFeatures Installing the computer on a rack shelfConnectivity Security features Dimensions SpecificationsUser Guide Software provided by Lenovo Software overviewSoftware provided with your Windows operating system Lenovo ThinkVantage Toolbox PC-Doctor for Rescue and RecoveryLenovo System Toolbox Adobe ReaderStarting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsUser Password Password considerationsAdministrator Password Setting, changing, and deleting a passwordSelecting a temporary startup device Enabling or disabling a deviceSelecting a startup device Selecting or changing the startup device sequence Advanced settingsExiting from the Setup Utility program Installing Sata or SAS hard disk drives Installing hard disk drives and configuring RAIDFrom the RAID Config menu, select Create array From the RAID Config menu, select Delete array Configuring the Marvell Bios Setup to delete an arrayUser Guide Updating system programs Using system programsUpdating flashing Bios from a disc Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsDiagnostic programs Troubleshooting and diagnostics PC-Doctor for DOS Creating a diagnostic discNon-optical mouse Cleaning the mouseOptical mouse 2 Ball 3 Plastic rollers 4 Ball cage Creating recovery media Recovery informationCreating and using recovery media Performing backup and recovery operations Using recovery mediaPerforming a recovery operation Performing a backup operationUsing the Rescue and Recovery workspace Creating rescue media Creating and using rescue mediaCreating a recovery repair diskette Using rescue mediaCreating and using a recovery repair diskette Installing or reinstalling device drivers Using a recovery repair disketteSolving recovery problems Setting a rescue device in the startup sequenceInformation resources Getting information, help, and serviceOnline Books folder Lenovo ThinkVantage ToolsHelp and service Safety and WarrantyUsing the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional services Basic AT commands Appendix A. Manual modem commandsLow speaker volume Enable RTS/CTS hardware flow control Extended AT commands+MS=? MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. System memory speed User Guide Appendix C. Notices European conformance CE mark Trademarks Television output noticeIndex Page Page User Guide Page Part Number 53Y4327

4218, 4155, 4158 specifications

Lenovo has long been recognized for its innovative approach to laptop and desktop manufacturing, delivering a combination of performance, reliability, and value. The Lenovo 4158, 4155, and 4218 models are a testament to this commitment. Targeting a variety of users, these devices cater to both business and personal needs, ensuring that users have the tools they require for productivity and entertainment.

The Lenovo 4158 series is particularly noteworthy for its lightweight design combined with robust performance. This model is equipped with the latest Intel processors, which provide quick responsiveness and efficient multitasking capabilities. Users can choose between various storage options, including solid-state drives (SSDs) for faster data access and traditional hard disk drives (HDDs) for larger storage capacities. The display is another highlight of the 4158, featuring an anti-glare screen that enhances usability in bright environments.

Similarly, the Lenovo 4155 boasts impressive specifications aimed at budget-conscious consumers without compromising performance. This series is powered by AMD processors that deliver good processing power for everyday tasks. The graphics performance is also commendable, allowing for smooth video playback and casual gaming. Lenovo has incorporated a combination of USB ports and HDMI connections in the design, making it versatile for various peripheral devices.

The Lenovo 4218 model stands out with its advanced security features. It includes a fingerprint reader and TPM (Trusted Platform Module) chip, ensuring that user data remains secure. This model is built for professionals who prioritize data protection alongside performance. The 4218 is equipped with a full HD display, providing vibrant colors and clarity for presentations and media consumption. Additionally, its battery life extends beyond typical usage, enabling uninterrupted productivity throughout the day.

Each of these Lenovo models supports a wide range of connectivity options, including Wi-Fi 6 for faster internet speeds and a Bluetooth option that enhances connectivity with various devices. The ergonomic keyboards across all models are designed for comfort, reducing fatigue during extended use.

In summary, the Lenovo 4158, 4155, and 4218 series exemplify Lenovo's dedication to delivering high-quality technology catering to diverse user needs. With their compelling features and robust build quality, these models are well-suited for students, professionals, and casual users alike. Whether it's for creative tasks, business utilization, or general computing, users can rely on Lenovo to provide the tools necessary for success.