User manual DELL DIMENSION 2400

[. . . ] DellTM DimensionTM 2400 Series service tag CD or DVD headphone connector CD or DVD volume control dial floppy-drive activity light* power light power button CD or DVD drive activity light CD or DVD eject button second bay for optional drive floppy-drive eject button* hard-drive activity light USB 2. 0 connectors (2) headphone connector *On computers with an optional floppy drive. power connector voltage selection switch keyboard connector serial connector video connector line-out connector diagnostic lights (4) parallel connector line-in connector cover latch network adapter connector mouse connector microphone connector USB 2. 0 connectors (4) PCI card slots (3) Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Tell Me How help file. If you purchased a DellTM n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable. ____________________ Information in this document is subject to change without notice. [. . . ] Run Express Test first to increase the possibility of tracing the problem quickly. This test typically takes an hour or more and requires you to answer questions periodically. Lists the most common symptoms encountered and allows you to select a test based on the symptom of the problem you are having. Extended Test Custom Test Symptom Tree 2 If a problem is encountered during a test, a message appears with an error code and a description of the problem. Write down the error code and problem description and follow the instructions on the screen. 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. Many drivers, such as the keyboard driver, come with your Microsoft® Windows® operating system. You may need to install drivers if you: · · · Upgrade your operating system. Connect or install a new device. Identifying Drivers If you experience a problem with any device, identify whether the driver is the source of your problem and, if necessary, update the driver. 1 2 3 4 Click the Start button and click Control Panel. In the System Properties window, click the Hardware tab. 40 Advanced Troubleshooting 5 6 Click Device Manager. 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 41). 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 2 3 4 5 6 7 8 Click the Start button and click Control Panel. [. . . ] 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. Operation of this equipment in a residential area is likely to cause harmful interference, in which case you will be required to correct the interference at your own expense. Class B This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. [. . . ]