User manual LENOVO IDEAPAD U110

[. . . ] Lenovo IdeaPad U110 User Guide V1. 0 Note Before using this information and the product it supports, be sure to read the following: · · · · Safety and Warranty Guide included in the package with this publication. Regulatory Notice included in the package with this publication. OneKey Recovery User Guide included in the package with this publication. First Edition (January 2008) © Copyright Lenovo 2008. GOVERNMENT USERS ­ RESTRICTED RIGHTS: Our products and/or services are provided with RESTRICTED RIGHTS. [. . . ] The screen resolution and color quality are correctly set. To check these settings, do as follows: 1. Right-click on the desktop, and select Personalize from the pull down menu. Click Display Settings and check whether the screen resolution and color quality are correctly set. Make sure that the correct device driver name is shown in the adapter information window. Note: The device driver name depends on the video chip that has been installed on your computer. 63 Chapter 4. If you are prompted for an administrator password or confirmation, enter the password or provide confirmation. Check the "Device status" box and make sure the device is working properly. Click the Properties button or the Troubleshoot button. Incorrect characters appear on the screen. Did you install the operating system or application program correctly?If they are installed and configured correctly, have the computer serviced. Missing, discolored, or bright dots appear on the screen every time you turn on your computer. This is an intrinsic characteristic of the TFT technology. Your computer's display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. A message, "Unable to create overlay window, " appears when you try to start DVD playback. -orYou get poor or no playback while running video playback, DVD playback, or game applications. 64 Chapter 4. Troubleshooting Do either of the following: If you are using 32-bit color mode, change the color depth to 16-bit mode. If you are using a desktop size of 1366×768 or larger, reduce the desktop size and the color depth. Sound Problems No sound can be heard from the speaker even when the volume is turned up. Make sure that: The Mute function is off. Speakers is selected as a playback device. To check the settings, right-click the Sound icon at the bottom-right corner of the task bar and select Playback from the pull down menu or Right-click the Realtek HD Audio Manager icon at the bottomright corner of the task bar and select Sound Manager from the pull down menu. To change the playback device settings to Speakers, do as follows: 1. When all players are turned off, select Speakers tab and click Set Default Device button. Click the OK button to save the settings. 65 Chapter 4. Troubleshooting Battery Problems The battery cannot be fully charged by the power-off method in the standard charge time for your computer. For details, See "Checking Battery Status" in Chapter 2. Your computer shuts down before the battery status indicator shows empty. -orYour computer operates after the battery status indicator shows empty. Discharge and recharge the battery. The operating time for a fully charged battery is short. For details, see "Handling the Battery" in Chapter 2. The computer does not operate with a fully charged battery. The surge protector in the battery might be active. [. . . ] 2 Problems Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Computer Screen . . . . . . . . . . . . . . . . . . . . . . 62 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Hard Disk Drive . . . . . . . . . . . . . . . . . . . . . . . [. . . ]