User manual ACER VERITON L678G

[. . . ] 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, Axim, PowerApp, PowerEdge, PowerConnect, PowerVault, and Latitude are trademarks of Dell Inc. ; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation; Microsoft and Windows 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. [. . . ] · If you have two or more memory modules installed, remove the modules, reinstall one module (see page 64), and then restart the computer. If the computer starts normally, reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules without error. · If available, install properly working memory of the same type into your computer (see page 64). · If the problem persists, contact Dell (see page 78). 1 Determine if a conflict exists by ABCD A possible expansion card failure has occurred. ABCD ABCD removing a card (not the video card) (see page 51) and then restarting the computer. 2 If the problem persists, reinstall the card that you removed, remove a different card, and then restart the computer. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts (see "Resolving Software and Hardware Incompatibilities" on page 44). 4 If the problem persists, contact Dell (see page 78). = yellow = green = off 36 Advanced Troubleshooting Light Pattern Problem Description A possible floppy or hard drive failure has occurred. Suggested Resolution Reseat all power and data cables and restart the computer. ABCD A possible USB failure has occurred. ABCD Reinstall all USB devices, check cable connections, and then restart the computer. No memory modules are detected. ABCD · Reinstall all memory modules (see page 64) and restart the computer. · To eliminate the possibility of a faulty memory connector, remove all memory modules, reinstall one memory module (if the computer supports a single module) (see page 64), and then restart the computer. If the computer starts normally, move the memory module to a different connector and restart the computer. Continue until you have identified a faulty connector or reinstalled all modules without error. If you cannot resolve the error condition, contact Dell (see page 78). NOTE: The Service Tag for your computer is located at the top of each test screen. If you contact Dell, technical support will ask for your Service Tag number. 3 If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information. Tab Results Errors Help Function Displays the results of the test and any error conditions encountered. Displays error conditions encountered, error codes, and the problem description. Describes the test and may indicate requirements for running the test. Advanced Troubleshooting 39 www. dell. com | support. dell. com Tab Configuration Function Displays your hardware configuration for the selected device. The Dell Diagnostics obtains configuration information for all devices from the system setup program, memory, and various internal tests, and it displays the information in the device list in the left pane of the screen. The device list may not display the names of all the components installed on your computer or all devices attached to your computer. Parameters Allows you to customize the test by changing the test settings. 4 Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen. Drivers What Is a Driver? A driver is a program that controls a device such as a printer, mouse, or keyboard. A driver acts like a translator between the device and any other programs that use the device. Each device has its own set of specialized commands that only its driver recognizes. Dell ships your computer to you with required drivers already installed--no further installation or configuration is needed. [. . . ] This device complies with Part 15 of the FCC Rules. 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. [. . . ]