User manual ACER VERITON M428G

[. . . ] 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 and Pentium, and Intel SpeedStep 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 DCTA August 2006 P/N WD722 Rev. [. . . ] · If there is an error message on your screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to ensure that it is functioning properly. · The operating system is attempting to boot from a device (such as the floppy drive or hard drive); check system setup (see page 113) to make sure the boot sequence is correct for the devices installed on your computer. · If the problem persists, contact Dell (see page 126). None. All four diagnostic lights display solid green and then turn off after the system successfully boots to the operating system. Troubleshooting Tools 55 Dell Diagnostics CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. If you experience a problem with your computer, perform the checks in "Solving Problems" on page 37 and run the Dell Diagnostics before you contact Dell for technical assistance. NOTICE: The Dell Diagnostics works only on DellTM computers. 2 When the ACERTM logo appears, press <F12> immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer (see page 63) and try again. 3 When the boot device list appears, highlight Boot to Utility Partition and press <Enter>. 4 When the Dell Diagnostics Main Menu appears, select the test you want to run. Dell Diagnostics Main Menu 1 After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want. Option Express Test Function Performs a quick test of devices. 4 In the System Properties window, click the Hardware tab. 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. 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. 58 Troubleshooting Tools Manually Reinstalling Drivers 1 After copying the required driver files to your hard drive, click the Start button and right-click My Computer. 3 Click the Hardware tab and click Device Manager. 4 Double-click the type of device for which you are installing the driver. [. . . ] Operation is subject to the following two conditions: This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation. Class A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the manufacturer's instruction manual, may cause harmful interference with radio communications. [. . . ]