User manual LENOVO IDEACENTRE A320

[. . . ] Machine type: 10065/7746 Lenovo User Guide IdeaCentre A3 Series Version 3. 0 2010. 11 31047254 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. Note: Pay attention to this important information. © Copyright Lenovo 2010. 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 . . . . . . . . . . . . . . . . . . . . . 9 1. 6 Wireless keyboard and mouse instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Chapter 2 Using the Rescue System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Note: The procedures in this document were written for the Windows default view, so they may not apply if you set your Lenovo® computer to theWindowsClassicview. 4. 1 Troubleshooting Display Problems Problem: Blank screen or no image is displayed on the monitor Troubleshooting and problem resolution: Check that the LCD screen has been turned on; If not, press the LCD On/Off button to turn on the LCD. If still cannot solve the problem, contact to Lenovo Customer Service. Right-click the desktop anywhere except over an icon, then select Personalize from the pop-up menu. From here, select the appropriate options to: · Changethedesktopbackground · Selectascreensaver · Selectcolorsandappearanceoptionsforiconsandcharacters · SetresolutionandcolorsbyusingDisplay Settings options. 24 User Guide 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. If the problem persists, consult with Lenovo Service. 4. 2 Troubleshooting Audio Problems Problem: No sound from integrated speakers Troubleshooting and problem resolution: · Adjustthewindowsvolumecontrol--Double-clickthespeakericoninthe lower-right corner of your screen. · Reinstalltheaudiodriver · Disconnectheadphonesfromtheheadphoneconnector--Soundfromthe speakers is automatically disabled when headphones are connected to the computer's side-panel headphone connector. Problem: No sound from headphones Troubleshooting and problem resolution: · Checktheheadphonecableconnection--Ensurethattheheadphonecableis securely inserted into the headphone connector. · Adjustthewindowsvolumecontrol--Clickordouble-clickthespeakericonin the lower-right corner of your screen. Ensure that the volume is turned up and that the sound is not muted. 4. 3 Troubleshooting Software Problems Problem: You are unable exit a running program normally. Open the Task Manager window by pressing Ctrl, Alt and Delete at the same time. User Guide 25 2. Select the Application tab, select the problem program, and then click the End Task button. 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. Back up all documents and system settings related to the program before removing it. If the program has its own uninstaller, run it directly to uninstall the program. If the program does not have its own uninstaller, then select Control Panel from Start menu. Find the applicable program from the Programs and Features dialog box and then select Uninstall/Modify. Perform the instructions displayed to uninstall the software. 4. 4 Troubleshooting Problems with Optical Drives and Hard Disks Problem: The Optical drive is unable to read a CD/DVD. Check to determine if there is an optical drive icon in the resource manager of the operating system. [. . . ] When the wireless keyboard is found, enter the PIN code and press the Enter key to complete the pairing process. Once the wireless connection has been successfully established, the wireless keyboard and mouse will work properly. Method 3: (Using the operating system) Notes: · Prepareawiredkeyboardandmousebeforeusingthismethod. Turn on the power switches of the wireless keyboard and mouse (if they have power ON/OFF switches). Press the Connect buttons on the back of the keyboard and mouse until the indicator lights blink. [. . . ]