Troubleshooting Software Problems - Lenovo IdeaCentre K220 User Manual

Problem: You are unable to get any sound from either the front or the rear output
connectors.
Troubleshooting and problem resolution:
1. Check that the cable between the speakers and computer is properly
connected.
2. Make sure the audio option in the lower right corner of the taskbar is not Mute.
3. Check that the volume of each sound channel is set to an audible level; if not
adjust the volume to the appropriate level.
4. If the problem persists, re-install the driver for the audio card by clicking in
succession Start → All Programs → Lenovo → Drivers and Software
Installation.

5.3 Troubleshooting software problems

Problem: You are unable exit a running problem normally.
Troubleshooting and problem resolution:
1. Open the Task Manager window by pressing Ctrl, Alt and Delete at the same
time.
2. Select the Application tab, select the problem program, 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.
Use the following procedure to properly uninstall programs:
1. Backup all documents and system settings related to the program before
removing it.
2. If the program has its own uninstaller, run it directly to uninstall the program.
3. If the program does not have its own uninstaller, then select Control Panel from
Start menu.
4. From the Control Panel, choose Programs and Functions.
5. Find the applicable program from the Programs and Functions dialog box and
then select Uninstall/Modify.
6. Perform the instructions displayed to uninstall the software.
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User Guide
2008.10.20 2:11:39 PM