Machine type: 10065/7746 Lenovo IdeaCentre A3 Series User Guide Version 3.0 2010.
Important Safety Information Before using this manual, it is important that you read and understand all of the related safety information for this product. Refer to the 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 or damage to your product. Danger: Be aware of extremely hazardous or lethal situations. Attention: Be aware of possible damage to programs, devices, or data.
Contents Important Safety Information Chapter 1 Using the Computer Hardware............................... 1 1.1 Front view of the computer.......................................................2 1.2 Rear view of the computer........................................................3 1.3 Computer stand.......................................................................4 1.4 Connecting your computer.......................................................5 1.5 Important information about using the computer..
4.5 Special considerations for troubleshooting Windows..............27 4.6 Performing Daily Maintenance Tasks.......................................28 4.7 Wireless Keyboard and Mouse Connection Instructions and Troubleshooting......................................................................29 4.8 Troubleshooting wireless mouse and keyboard issues............
Chapter Using the Computer Hardware This chapter contains the following topics: 1 Computer hardware introduction Information on computer connections 2 Note: The descriptions in this chapter might vary from your computer, depending on computer models and configurations.
1.1 Front view of the computer Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause thermal problems. 2 1 3 4 5 6 7 Camera Built-in microphone Hard Disk Drive Indicator Bluetooth status indicator WIFI status indicator Menu/OK button Direction buttons Note: The quality of video output will be affected accordingly due to the restriction of the actual bandwidth used by users and the limitation of data transmission speed of the video communication software.
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1 2 1 2 Bluetooth connect button Mode switch button (Selected models only) 1.3 Computer stand Adjust the angle for the best viewing experience. It can be rotated from horizontal or vertical. The stand provides stability to the computer; it is not a removable part. Attention: The computer stand must remain installed at all times to ensure maximum system stability. 3 18 10 10 Adjust the panel angle for the best viewing from the horizontal.
Adjust the panel angle for the best viewing from the horizontal. Adjust the panel angle for the best viewing from the vertical. TV Do not only use one hand to adjust the panel angle to avoid the computer falling over. 1.4 Connecting your computer Use the following information to connect your computer: • Look for the small connector icons on the back of your computer. Match the connectors to the icons. Note: Your computer might not have all of the connectors that are described in this section. 1.4.
1.4.3 Connect the mouse cable to the appropriate mouse connector (USB connector). 1.4.4 If you have audio devices, attach them using the following instructions: 1 2 Microphone Use this connector to attach a microphone (purchased separately) to your computer when you want to record sound or if you use speech-recognition software. Headphone Use this connector to attach headphones (purchased separately) to your computer when you want to listen to music or other sounds without disturbing anyone. 1.4.
a. Connect the cable that runs between the speakers if necessary. On some speakers, this cable is permanently attached. b. Connect the adapter cable to the speaker if necessary. On some speakers, this cable is permanently attached. c. Connect the speakers to the Headphone port on the computer. d. Connect the adapter to the power source. 1.4.6 If you have powered speakers without an adapter: (This picture is only a sketch print, it does not show the actual figure of the speaker) a.
1.4.7 Connect any additional devices that you have. Your computer might not have all connectors shown. 1 USB connector 2 3 Use this connector to attach a device that requires a USB connection. Network adapter Use this connector to attach the computer to an connector ethernet-type local area network TV-Tuner connector Only supported on systems with optional TV tuner card. 1.4.8 Connect the power cords properly to grounded electrical outlets.
1.4.9 Your computer is equipped with a Memory Card Reader Connector, it is able to read/write data from: Secure Digital (SD) Memory Card Mini SD MultiMedia Card (MMC) RS-MMC MS MS-PRO MS-Duo 1.5 Important information about using the computer Press the power button on the top of the base stand to turn the computer on.
Note: Do not put any fluid container on the base stand. Note: The buttons at the bottom of the screen are touch buttons. When you touch these, the indicator lights turn on.
Hold the computer tightly when you carry it.
1.6 Wireless keyboard and mouse instructions (Only some models are equipped with wireless keyboard and mouse) 1 2 3 LVT After entering Windows, press this key to launch the LVT (Lenovo Vantage Technology) program, Lenovo’s pre-loaded Home PC software. In addition to its own functions, the LVT program will allow you to start other Windows compatible software, specially configured to run on this model of computer. Internet key Open IE. Multimedia play key Open the Mediaplay player.
Note: If the wireless indicator lights stop blinking, press the connect buttons on the keyboard and mouse again. 3. After entering the system, press the bluetooth connect button on the base stand for over 5 seconds to search for wireless devices. Note: The process of searching for wireless devices could take several minutes. 4. When the wireless mouse device is found, the driver will be installed automatically. 5.
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Chapter Using the Rescue System This chapter contains the following topics: 1 OneKey Recovery Driver and Application Installation System Setup System Backup System Recovery 2 Create Recovery Disc Attention: Using this program will result in a loss of data. • You can recover the C drive of the computer to the factory default settings or to the last system backup status using OneKey Recovery.
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: By selecting Control Panel → Administrative Tools → Computer Management → Disk Management, you can see the service partition, which must not be deleted. Note: The recovery files and relevant data used by the rescue system are saved in the service partition.
Method 1: Automatic Installation Repeatedly press and release the F2 key once turning on the computer until the Lenovo Rescue System open, then select Drivers and Application Installation. Follow the screen prompts to install the Lenovo Drivers and Application Installation. Click Install to start installing the Lenovo Drivers and Application Installation. The system will restart. After the system has restarted, the installation process will continue until completion.
2. If you select “LAN connection,” configure the IP address and proxy server of the LAN. 2.3.3 Password Management Password Management allows you to set the password for Lenovo Rescue System and manage it. The default password is blank. Set a password when you access the Password Management for the first time. If you don’t want to set a password, access the system directly and operate accordingly. 2.4 System Backup Back up your system partition to an image file.
Chapter Using the Computer Software This chapter contains the following topics: 1 Computer software instructions Note: The interface and function of each of these features are subject to the actual software that was shipped with the computer model that you purchased.
3.1 Lenovo Dynamic Brightness system Lenovo Dynamic Brightness System can automatically detect the surrounding ambient brightness and will adjust display brightness accordingly. You can set the screen brightness to a comfortable level for different environments. You can also set the display delay time to automatically turn off the display when you are away from the computer. Note: The Auto Switch Display function can not be used when your computer is in standby mode, sleep mode or turned off.
3) Confirm that Devices → Lenovo USB2.0 UVC Camera has been checked. If there are other devices in this option, do not check them. Only choose the “Lenovo USB2.0 UVC Camera” device, and the window should display the camera image. An image, which is caught by Lenovo PC camera, will be displayed in the video capture window. Adjust the position and pitch angle of the camera to ensure the whole face is displayed in the video capture window.
The default setting has been pre-selected. You can adjust the viewing distance according to your needs. Notes: 1. Ensure the lens of the camera is exposed and not covered. 2. Ensure your eyes are exposed and not covered. (The function that detects the distance between the user and monitor is based on the position of the user’s eyes. Therefore, if the eyes are covered or there is a strong reflection, the distance detection may be affected.) Wear glasses may affect the accuracy of the face image verification.
Chapter Troubleshooting and Confirming Setup This chapter contains the following topics: 1 Troubleshooting and Problem Resolution Note: The description of the TV-Tuner card in this manual is only used for the machines which have the TV-Tuner card. It does not apply to those machines that do not have a TV-Tuner card.
Solving Problems Follow these tips when you troubleshoot your computer: • If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed. • If a peripheral device does not work, ensure that the device is properly connected. • If an error message appears on the screen, write down the exact message. This message may help support personnel diagnose and fix the problem(s).
Problem: Ripple on screen Troubleshooting and problem resolution: 1. Check for devices located less than one meter from the computer such as refrigerators, electric fans, electric dryers, UPSs, regulators, fluorescent lamps or other computers that may be generating magnetic interference. 2. Move any interfering devices away from the computer. 3. If the problem persists, consult with Lenovo Service. 4.
2. Select the Application tab, select the problem program, and then click the End Task button. Problem: You need to install or uninstall a program. Problem resolution: During installation never abort the install process by powering the system off or through other drastic means. This can cause system program disorder or even failure during system initialization. During the uninstall process, never directly delete the files or folders. This is harmful to the system, and might cause a system-wide malfunction.
5. If the known good CD cannot be read, visually check the operating side of the CD/DVD for defects. Problem: The capacity of the hard disk, as indicated by the system, is less than the nominal capacity. Troubleshooting and problem resolution: For computers equipped with the OneKey Recovery feature, the system recovery feature needs to occupy some hard disk space. This may account for the apparent hard disk capacity deficit.
• In the following two situations, you must re-save a channel list: a. When you change your TV signal from digital to analog, your saved channel list for digital TV is deleted. When you want to watch digital TV again, you must create and save a new channel list. b. When you change your TV signal from analog to digital, your saved channel list for analog TV is deleted. When you want to watch analog TV again, you must create and save a new channel list.
Do not do any of the following: • Allow water to enter the computer • Use a heavily dampened cloth • Spray water directly onto the surface of the monitor or inside of computer. Daily attention should be given to LCD monitors. Use a dry cloth daily to brush dust from the monitor and keyboard. Keep all surfaces clean and free of grease stains. 4.7 Wireless Keyboard and Mouse Connection Instructions and Troubleshooting 1. What is wireless connection? Wireless connection is a Bluetooth pairing process.
B. Off 1. The device’s batteries have run out. 2. The power switch is in the “OFF” position. C. Blinking, then off 1. Successfully established a connection. 2. If the device has spent too long trying to establish the wireless connection, the indicator light will automatically turn off to save power. D. Bright for a few seconds, then off The devices are powered on. 4. How can I tell if the wireless connection has been established successfully? a.
Method 2: (Using the operating system) 1. Follow steps 1 and 2 from Method 1. 2. When the keyboard and mouse wireless indicator lights start blinking, turn the computer on immediately. 3. After the operating system starts up, press the Wireless Reset button for 5 seconds or longer to search for wireless devices. Note: This process could take several minutes. 4. The wireless mouse drivers will be installed automatically when the mouse is found. 5.
4.8 Troubleshooting wireless mouse and keyboard issues Problem: The wireless keyboard or mouse is not paired with your computer. Troubleshooting and problem resolution: 1. Follow the steps in the “Wireless keyboard and mouse instructions” section in the User Guide. 2. Check the indicator lights: for more information see the “Indicator light guide” section.
Problem: Keyboard or mouse intermittently stops responding or takes a long time to respond. Troubleshooting and problem resolution: 1. Check for signal interference. Avoid putting metal objects between the device and the computer. Do not place the computer under a metal surface or table. Move cordless phone base stations, microwave ovens, and other 2.4GHz electrical devices away from the computer. Keep wireless devices within 10 meters (33 feet) of the computer. 2.
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