Lenovo 844 user manual

User manual for the device Lenovo 844

Device: Lenovo 844
Category: Personal Computer
Manufacturer: Lenovo
Size: 1 MB
Added : 3/27/2013
Number of pages: 84
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Abstracts of contents
Summary of the content on the page No. 1

ThinkCentre
User Guide
MachineTypes:
0806, 0810, 0821, 0823, 0827, 0829, 0832, 0835,
0842, 0844, 0846, 0848, 0851, and 4089

Summary of the content on the page No. 2

Summary of the content on the page No. 3

ThinkCentre User Guide

Summary of the content on the page No. 4

Note Before using this information and the product it supports, be sure to read and understand the ThinkCentre Safety and Warranty Guide and “Notices,” on page 69. First Edition (August 2010) © Copyright Lenovo 2010. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and disclosure. LIMITED AND RESTR

Summary of the content on the page No. 5

Contents Installing or reinstalling device drivers.....49 Important safety information......v Solving recovery problems .........49 Chapter1. Product overview......1 Chapter4. Using the Setup Utility Features................1 program..............51 Specifications..............4 Software overview ............4 Starting the Setup Utility program.......51 Software provided with your Windows operating Viewing or changing settings ........51 system ...............4 Using passwords ............51 Loc

Summary of the content on the page No. 6

Trademarks ..............70 Index ...............71 iv User Guide

Summary of the content on the page No. 7

Important safety information CAUTION: Before using this manual, be sure to read and understand all the related safety information for this product. Refer to the ThinkCentre Safety and Warranty Guide that you received with this product for the latest safety information. Reading and understanding this safety information reduces the risk of personal injury and or damage to your product. If you no longer have a copy of the ThinkCentre Safety and Warranty Guide, you can ® obtain a Portable Document F

Summary of the content on the page No. 8

vi User Guide

Summary of the content on the page No. 9

Chapter1. Product overview This chapter provides information about the computer features, specifications, preinstalled software programs, and locations of connectors, components, parts on the system board, and internal drives. This chapter contains the following topics: v “Features”: This section provides information about the computer features. v “Specifications” on page 4: This section lists the physical specifications for your computer. v “Software overview” on page 4: This section provides i

Summary of the content on the page No. 10

v Peripheral Component Interconnect (PCI) Express x16 graphics card slot on the system board for a discrete graphics card Audio subsystem v Integrated high-definition (HD) audio v Headphone connector and microphone connector on the front panel v Audio line-in connector, audio line-out connector, and microphone connector on the rear panel Connectivity v 10/100/1000 Mbps integrated Ethernet controller System management features v Ability to store the power-on self-test (POST) hardware test results

Summary of the content on the page No. 11

Power supply Your computer comes with one of the following power supplies: v 280-watt auto-sensing power supply v 280-watt power supply with a manual voltage-selection switch v 320-watt auto-sensing power supply Security features v A power-on password and an administrator password to deter unauthorized use of your computer v Computrace v Cover presence switch (also called intrusion switch) (available in some models) v Enabling or disabling SATA devices v Enabling or disabling the serial port v E

Summary of the content on the page No. 12

Specifications This section lists the physical specifications for your computer. Dimensions Width: 160 mm (6.3 inches) Height: 388 mm (15.28 inches) Depth: 422 mm (16.61 inches) Weight Maximum configuration as shipped: 9.4 kg (20.72 lbs) Environment Air temperature: Operating: 10° to 35°C (50° to 95°F) Non-operating: -40° to 60°C (-40° to 140°F) Non-operating: -10° to 60°C (14° to 140°F) (without package) Humidity: Operating: 20% to 80% (non-condensing) Non-operating: 20% to 90% (non-condensing)

Summary of the content on the page No. 13

® Lenovo ThinkVantage Tools: The Lenovo ThinkVantage Tools program guides you to a host of information sources and provides easy access to various tools to help you work more easily and securely. For more information, see “Lenovo ThinkVantage Tools” on page 63. Note: The Lenovo ThinkVantage Tools program is only available on computers with the Windows 7 operating system from Lenovo. ThinkVantage Productivity Center: The ThinkVantage Productivity Center program guides you to a host of information

Summary of the content on the page No. 14

drivers, BIOS updates, and other third party applications). Some examples of software that you should keep updated are programs provided by Lenovo, such as the Rescue and Recovery program and the ThinkVantage Productivity Center program. Fingerprint Software: The integrated fingerprint reader provided on some keyboards works with the Fingerprint Software program to enable you to enroll your fingerprint and associate it with your Windows password. As a result, fingerprint authentication can repla

Summary of the content on the page No. 15

Locations This section provides information to help you locate your computer connectors, components, parts on the system board, and internal drives. Locating connectors, controls, and indicators on the front of your computer Figure1 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 1. Front connector, control, and indicator locations 1 Hard disk drive activity indicator 5 USB connector 2 Power indicator 6 Headphone connector 3 Power s

Summary of the content on the page No. 16

Locating connectors and parts on the rear of your computer Figure2 shows the locations of the connectors and parts on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. Figure 2. Rear connector and part locations 1 Voltage-selection switch (available on 8 Audio line-in connector some models) 2 Power cord connector 9 PCI Express x16 graphics card slot 3 Serial port 10 PCI Express x

Summary of the content on the page No. 17

Connector Description 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, a cable is connected between the audio line-out connector of the device and the audio line-in connector of the computer. Audio line-out connector Used to send audio signals from the computer to external devices, such as powered stereo speakers (speakers with built-in amplifiers), headphones, multimedia keyboards, the audio l

Summary of the content on the page No. 18

Locating components Figure3 shows the locations of the various components in your computer. To remove the computer cover and gain access to the inside of the computer, see “Removing the computer cover” on page 14. Figure 3. Component locations 1 Heat sink and fan assembly 5 System board 2 Memory modules (2) 6 Rear fan assembly 3 Front bezel 7 Power supply assembly 4 Optical drive 10 User Guide

Summary of the content on the page No. 19

Locating parts on the system board Figure4 shows the locations of the parts on the system board. Figure 4. System board part locations 1 Microprocessor 12 Front panel connector 2 Microprocessor fan connector 13 USB connectors (2) 3 Memory slots (2) 14 Serial (COM 2) connector 4 Thermal sensor connector 15 Front audio connector 5 24-pin power connector 16 Internal speaker connector 6 Parallel connector 17 PCI card slots (2) 7 Battery 18 PCI Express x1 card slot 8 Cov

Summary of the content on the page No. 20

Figure5 shows the locations of the drive bays in your computer. Figure 5. Drive bay locations 1 Bay 1 - Optical drive bay (with an optical drive installed) 2 Bay 2 - Slim card reader drive bay 3 Bay 3 - Primary SATAhard disk drive bay (with a 3.5-inch SATAhard disk drive installed) 4 Bay 4 - Secondary SATAhard disk drive bay 12 User Guide


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