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. [. . . ] Ensure that the mouse is not in Suspend mode, which occurs after 20 minutes of inactivity. Re-synchronize the keyboard and mouse to the receiver using the following steps. 8 Chapter 3 Troubleshooting and maintenance ENWW Symptom Possible solution The receiver, wireless keyboard, and wireless mouse shown in the following illustrations are examples; your models might vary. IMPORTANT: During these steps, place the wireless keyboard and wireless mouse on the same level as the receiver, within 30 cm (12 inches) of the receiver, and away from interference from other devices. Unplug the receiver from a USB connector on the computer, and then reconnect it. If you have a choice, use a USB connector on the front of the computer. 2. Check that the mouse is on (A), and push and hold the Connect button (B) on the underside of the mouse for 5 to 10 seconds until the LED on the receiver lights or stops flashing. To ensure that the connection was established, and that the receiver did not time out instead, move the mouse and check for response on the screen. A 3. 4. Off B Connect On After the mouse connection is established, continue by using the steps that follow to repeat the procedure for the keyboard. Push and hold the Connect button (C) on the underside of the keyboard for 5 to 10 seconds until the LED on the receiver lights or stops flashing. C Speakers and sound Symptom Volume is very low or unsatisfactory. 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 plus sign (+) to expand the type of device you want to update or rollback. 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). [. . . ] If you are prompted to choose between running System Recovery from disc or from hard drive, select Run program from disc, and then click Next. If you are prompted to back up your files, and you have not done so, select Back up your files first (recommended), and then click Next. Otherwise, select Recover without backing up your files, and then click Next. When the Recovery Manager is finished, remove all recovery discs from the system. 4. [. . . ]