Lenovo ThinkPad L430 (English) User Guide - Page 156
Audio problems
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Solution: Change the resolution depth to lower settings for the primary display. Refer to the "Solution" for "The Extend desktop function does not work" above. • Problem: The screen position on the external monitor is incorrect when that monitor is set for a high resolution. Solution: Sometimes, when you use a high resolution such as 1600x1200, the image is shifted to left or right on the screen. To correct this, first ensure that your external monitor supports the display mode, that is, the resolution and the refresh rate, that you have set. If it does not, set a display mode that the monitor supports. If it does support the display mode you have set, go to the setup menu for the monitor itself and adjust the settings there. Usually the external monitor has buttons for access to the setup menu. For details, see the documentation that comes with the computer. Audio problems • Problem: Wave or MIDI sound does not play correctly. Solution: Ensure the built-in audio device is configured correctly by doing the following: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 4. Double-click Sound, video and game controllers. 5. Ensure the following device is enabled and configured correctly: - Realtek High Definition Audio • Problem: Recordings made by using the Microphone input are not loud enough. Solution: Ensure that Microphone Boost is turned on and set by doing the following: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound 3. Click Sound. 4. Click the Recording tab in the Sound window. 5. Select Microphone, and click the Properties button. 6. Click the Levels tab, and move the Microphone Boost slider upwards. 7. Click OK. Notes: - The names of windows or fields are slightly different depending on the operating system you use. - For details about controlling volume, refer to your Windows online help. • Problem: A volume or balance slider cannot be moved. Solution: The slider might be grayed out. This means that its position is fixed by the hardware and cannot be changed. • Problem: The volume sliders do not stay in place when some audio applications are used. Solution: It is normal for the sliders to change position when certain sound applications are used. The applications are aware of the Volume Mixer window and are allowed to change the settings themselves. An example is the Windows Media Player. Usually the application has sliders available to control the sound from within the application. 138 User Guide