Lenovo B750- User Manual

2 User Guide Front view of the computer Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 7 6 5 4 8 9 10 14 12 13 11 1 2 1 3 Built-in microphones (2) Camera LED indicator Built-in camera Built-in IR receiver 1 Hard disk drive indicator Bluetoo...

3 User Guide Left and right views of the computer 6 7 12345 USB 3.0 connector Headphone connector Microphone connector USB 3.0 connector Memory card reader Optical drive eject button Power button

4 User Guide Rear view of the computer Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause thermal problems. 1 3 2 5 4 6 8 7 TV tuner connector (selected models only) Ethernet connector HDMI-in connector HDMI-out connector USB 3.0 connectors (2) USB 2.0 connect...

5 User Guide Installing the computer stand Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the screen from scratches or other damage. 1. Raise the stand holder. 1 2. Lin...

6 User Guide Computer stand Use the stand to position the display to your preference. It can be rotated 5º forward and 25º backward. Basic connector instructions Note: Your computer may not have all of the connectors described in this section. Connector Description Microphone Use this connector to a...

7 User Guide TV-Tuner connector (optional) Connects to an external antenna to view programs using the optional TV tuner card. Note: If your computer is equipped with a wireless keyboard or mouse, follow the installation instructions for those devices. Connecting your computer Connecting the power co...

9 User Guide Connecting to the Internet To connect to the Internet, you’ll need a contract with an Internet Service Provider (ISP) and some hardware.IPSs and ISP offerings vary by country. Contact your ISP for offerings available in your country.Your computer is designed to support a wireless (selec...

Using Windows 8 This chapter contains the following topics:  Switching between the main Windows 8 interfaces  The Charms Bar  Shutting down the computer  Switching between apps  Closing an app  Opening other system programs  Windows Help and Support Attention: The Windows 8 operating system i...

12 User Guide Switching between the main Windows 8 interfaces Windows 8 comes with two main user interfaces: the Start Screen and the Windows desktop.To switch from the Start Screen to the Windows desktop, do one of the following:• Select the Windows desktop tile on the Start Screen.• Press the Wind...

13 User Guide Switching between apps Sometimes you want to get back to an app you were just using, or quickly switch through your recent apps.To switch between apps:Move the cursor to the top left corner, then click to bring in the next app. (If your computer is equipped with touch screen, swipe in ...

Using the Rescue System This chapter contains the following topics:  OneKey Recovery  Driver and Application Installation Attention: Using OneKey Recovery will result in loss of data. • You can restore the C: drive of the computer to factory default settings or to the last system backup status usi...

16 User Guide Note about the service partition: The files and relevant data used by the rescue system are saved in the service partition. Deleting this partition will make the rescue system unusable. For more detailed information, see the following instructions: From the Search charm, select Apps → ...

17 User Guide Driver and Application Installation The Driver and Application Installation function in the rescue system provides a way for the user to conveniently reinstall all of the Lenovo applications and drivers that were shipped with your Lenovo hardware. Method 1: Automatic Installation Repea...

Using the Software This chapter contains the following topic:  Software instructions Note: The interface and functionality of these features will depend on which software was shipped with the computer model you purchased. User Guide 19

20 User Guide Lenovo Support The Lenovo Support program enables you to register your computer with Lenovo, download and view user manuals for your computer, get the warranty information of your computer, and explore help and support information. To open this program, do the following: Click the Leno...

22 User Guide Solving Problems Follow these tips when troubleshooting your computer:• If you added or removed a part before the problem started, review the installation procedures to ensure that the part is correctly installed. • If a peripheral device does not work, ensure that the device is proper...

23 User Guide Problem: Ripple on screen. Troubleshooting and problem resolution: 1. Check to see if any of the following devices are located less than one meter from the computer: refrigerators, electric fans, electric dryers, UPS systems, regulators, fluorescent lamps or other computers that may be...

24 User Guide Troubleshooting Software Problems Problem: You are unable to exit a running program normally. Troubleshooting and problem resolution: 1. Press the Ctrl , Alt and Delete keys at the same time, then select the Task Manager option from the pop-up dialog box. 2. Select the problem program,...

26 User Guide Windows Help and Support If you have a problem with the operating system, see the Windows Help and Support file. To open the Windows Help and Support file, do one of the following:• Select the Settings charm, then select Help . • Press Windows key + F1.You can read the Windows Help and...

27 User Guide Performing Daily Maintenance Tasks Cleaning the computer components Because many of the computer components consist of sophisticated integrated circuit boards, it is very important to periodically clean the computer to prevent dust buildup. The cleaning supplies you need to clean the c...

Hardware Replacement Guide This chapter contains the following topics:  Removing the stand base  Removing the computer cover  Installing a B-CAS card  Replacing a memory module  Replacing the optical drive  Replacing the hard disk drive  Replacing the keyboard and mouse  Replacing the power ...

30 User Guide Overview This guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs) as well as trained service personnel who are replacing Field Replaceable Units (FRUs). In this guide, CRUs and FRUs will often be referred to as parts. Note: Trained service pers...

31 User Guide Additional information resources If you have Internet access, the most up-to-date information for your computer is available from the World Wide Web. You can find the following information:• CRU removal and installation information• Publications• Troubleshooting information• Parts info...

32 User Guide Handling static-sensitive devices Static electricity, although harmless to you, can seriously damage computer components.When you are replacing a part, do not open the anti-static package containing the new part until the defective part has been removed from the computer and you are re...

33 User Guide Replacing hardware Attention: Do not remove the computer cover or attempt any repairs before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies o...

34 User Guide Removing the stand base Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other s...

35 User Guide Removing the computer cover Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or oth...

36 User Guide Installing a B-CAS card Attention: Before using the TV function, a B-CAS card will need to be installed on to the computer. Follow the steps below to install the B-CAS card. Notes: Before installing the B-CAS card, make sure that you do the following:• Turn off the power to the system ...

37 User Guide Replacing a memory module Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other...

38 User Guide Replacing the optical drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before replacing the optical drive. To remove the optical drive: Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends...

40 User Guide 10. Install the new optical drive as follows: (1) Align the new optical drive with the cover, and then push the cover back into position. (2) Screw the metal bracket back onto the new optical drive.(3) Slide the new optical drive into the drive bay. 11. Screw the new optical drive back...

43 User Guide Replacing the power cord Attention: Do not remove the computer cover or attempt any repairs before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain co...

45 User Guide Appendix. Declaration Thank you for using Lenovo products.Carefully read all documents shipped with your computer before you install and use the product for the first time. Lenovo is not responsible for any loss except when caused by installation and operations performed by Lenovo prof...

46 User Guide Trademarks Lenovo and the Lenovo logo, IdeaCentre and IdeaCentre logo are trademarks of Lenovo in the United States, other countries, or both.Microsoft, Windows, and Windows Vista are trademarks of the Microsoft group of companies.Intel Inside is a trademark of Intel Corporation in the...

47 User Guide Energy Star Statement ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices.Lenovo is proud to offer our customers products with ...

48 User Guide Enabling ErP compliance mode You can enable the energy-related products directive (ErP) compliance mode through the Power menu in the Setup Utility program. This mode reduces electricity consumption when your computer is in standby mode or turned off.To enable ErP compliance mode in th...