User manual ACER VERITON M275

[. . . ] Reproduction in any manner whatsoever without the written permission of Dell Inc. Trademarks used in this text: Dell, the ACER logo, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault, PowerApp, DellNet, and PowerConnect are trademarks of Dell Inc. ; Intel, Pentium, Intel SpeedStep, and Celeron are registered trademarks of Intel Corporation; Microsoft, Windows, and Outlook are registered trademarks of Microsoft Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. disclaims any proprietary interest in trademarks and trade names other than its own. Model DHP September 2006 P/N WD300 Rev. [. . . ] 6 Scroll down the list to see if any device has an exclamation point (a yellow circle with a [!]) on the device icon. If an exclamation point is next to the device name, you may need to reinstall the driver or install a new driver (see page 50). Reinstalling Drivers NOTICE: The Dell Support website at support. dell. com provides approved drivers for DellTM computers. If you install drivers obtained from other sources, your computer might not work correctly. Using Windows XP Device Driver Rollback If a problem occurs on your computer after you install or update a driver, use Windows XP Device Driver Rollback to replace the driver with the previously installed version. 1 Click the Start button and click Control Panel. 2 Under Pick a Category, click Performance and Maintenance. 4 In the System Properties window, click the Hardware tab. 6 Right-click the device for which the new driver was installed and click Properties. If Device Driver Rollback does not resolve the problem, then use System Restore to return your computer to the operating state that existed before you installed the new driver. Manually Reinstalling Drivers 1 After copying the driver files to your hard drive, click the Start button and right-click My Computer. 2 Click Properties. 50 Troubleshooting Tools 3 Click the Hardware tab and click Device Manager. 4 Double-click the type of device for which you are installing the driver. 5 Double-click the name of the device for which you are installing the driver. 3 Click a calendar date to which you want to restore your computer. The Select a Restore Point screen provides a calendar that allows you to see and select restore points. All calendar dates with available restore points appear in boldface type. 4 Select a restore point and click Next. If a calendar date has only one restore point, then that restore point is automatically selected. If two or more restore points are available, click the restore point that you prefer. The Restoration Complete screen appears after System Restore finishes collecting data and then the computer restarts. 6 After the computer restarts, click OK. To change the restore point, you can either repeat the steps using a different restore point, or you can undo the restoration. 52 Troubleshooting Tools Undoing the Last System Restore NOTICE: Before you undo the last system restore, save and close all open files and exit any open programs. Do not alter, open, or delete any files or programs until the system restoration is complete. 1 Click the Start button, point to All Programs Accessories System Tools, and then click System Restore. [. . . ] NOTICE: The FCC regulations provide that changes or modifications not expressly approved by Dell Inc. could void your authority to operate this equipment. These limits are designed to provide reasonable protection against harmful interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. [. . . ]