User manual ACER VERITON B430

[. . . ] This document contains proprietary information that is protected by copyright. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of ACER. Box 4010 Cupertino, CA 95015-4010 USA Copyright © 2000­2009 Hewlett-Packard Development Company, L. P. This product incorporates copyright protection technology that is protected by U. S. [. . . ] Possible solution Ensure that you connected the speakers to the Audio Out (lime green) connector on the back of the computer. (Additional audio connectors are used for multiple-channel speakers. ) Detached non-powered speakers (speakers without a separate power source, such as batteries or a power cord) do not produce satisfactory sound. Replace the non-powered speakers with powered speakers. ENWW Speakers and sound 9 Symptom No sound is produced. Possible solution For Windows 7: 1. Click the Start button, click Control Panel, click Action Center, and then click Troubleshooting. Under Hardware and Sound, click Troubleshoot and audio playback. If you use an HDMI connector on the graphics card (select models only) to connect your monitor to the computer, you should also connect analog speakers to the computer Audio Line Out connector if you want to hear sound during the initial setup of the computer. Refer to the Setup Poster to connect analog speakers. If you are using built-in monitor speakers, use the monitor front-panel Volume button to adjust volume. Use the front-panel buttons to enter the onscreen display (OSD) and ensure that audio is enabled and that the volume is set appropriately. Ensure that you connected powered (active) speakers and that they are turned on. Turn off your computer, and then unplug and reconnect the speakers. Ensure that the speakers are connected to an audio connector, not a Line In or headphone connector. To update a driver, click Update Driver, and then follow the onscreen instructions. Or, to revert to an earlier version of a driver, click Rollback Driver, and then follow the onscreen instructions. Microsoft System Restore If you have a problem that might be due to software that was installed on your computer, use System Restore to return the computer to a previous restore point. You can also set restore points manually. NOTE: Always use this System Restore procedure before you use the System Recovery program. NOTE: Windows. Some features might not be available on systems that are shipped without a version of Microsoft To start a System Restore: 1. Click the Start button, right-click Computer, and then click Properties. Click System protection, System Restore, click Next, and then follow the onscreen instructions. 12 Chapter 3 Troubleshooting and maintenance ENWW To add restore points manually: 1. Click the Start button, right-click Computer, click Properties, and then click System protection. Under Protection Settings, select the disk for which you want to create a restore point. Click Create, and then follow the onscreen instructions. Software program and hardware driver reinstallation If any of your factory-installed software programs or hardware drivers are damaged, you can reinstall it by using the Recovery Manager program (select models only). NOTE: Do not use the Recovery Manager program to reinstall software programs that came on CDs or DVDs included in the computer box. Reinstall these programs directly from the CDs or DVDs. Before you uninstall a program, be sure you have a way to reinstall it. Check to be sure that it is still available from where you initially installed it (for example, discs or the Internet). Or check to be sure that the program is in the list of programs you can reinstall from the Recovery Manager. NOTE: Windows. Some features might not be available on systems that are shipped without a version of Microsoft To check the list of installable programs in the Recovery Manager: 1. [. . . ] Store the recovery discs in a safe place. NOTE: Windows. Some features might not be available on systems that are shipped without a version of Microsoft 18 Chapter 3 Troubleshooting and maintenance ENWW Choosing recovery discs To create recovery discs, your computer must have a DVD writer, and you must use only high-quality blank DVD +R or DVD-R discs. NOTE: You cannot use CDs or DVD+RW, DVD-RW, DVD+RW DL, DVD-RW DL, DVD+R DL, or DVD-R DL discs to create recovery discs. Use high-quality discs to create your set of recovery discs. It is normal for discs to be rejected if they are not defect-free. You will be prompted to insert a new blank disc to try again. [. . . ]