User manual DELL LATITUDE LM

[. . . ] 'HOO /DWLWXGH /05HIHUHQFHDQG7URXEOHVKRRWLQJ*XLGH ® Information in this document is subject to change without notice. © 1994­1996 Dell Computer Corporation. Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and Latitude are registered trademarks, DellWare is a registered service mark, Dell Dimension is a trademark, and TechFax is a service mark of Dell Computer Corporation; Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation; Intel and Pentium are registered trademarks of Intel Corporation; CompuServe is a registered trademark of CompuServe, Inc. ; PRODIGY is a registered trademark of Prodigy Services Co. ; Lotus is a registered trademark of Lotus Development 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. [. . . ] Place the Dell Diagnostics Diskette in the diskette drive, and boot the computer. NOTE: Before you read the rest of this chapter, you may want to start the Dell diagnostics so you can see the menus on your display. When you start the diagnostics, the Dell logo screen appears, and a program tests the random-access memory (RAM) that will be used by the diagnostics. If a failure in RAM is detected, a message appears on the screen telling you the memory address of the defective memory module. Write down the memory address and see Chapter 5, "Getting Help, " for instructions on obtaining technical assistance. If no errors are found in RAM, the diagnostics loads and the Diagnostics Menu appears (see Figure 4-1). Dell Computer Corporation Dell Latitude LM Diagnostics Version X. XX DIAGNOSTICS MENU Starting the Dell Diagnostics After you complete the preliminary instructions specified in the previous section, follow these steps to start the diagnostics: 1. For instructions, see the topic titled "Options Bay" in the online System User's Guide. Run All Tests RUn Quick Tests Run Specific Tests Exit To MS-DOS Figure 4-1. Diagnostics Menu 4-2 Dell Latitude LM Reference and Troubleshooting Guide For a quick check of your system, select the RUN QUICK TESTS option. This option runs only the subtests that do not require user interaction and that do not take a long time to run. Dell recommends that you choose this option first to increase the odds of tracing the source of the problem quickly. To check a particular area of your system, select the RUN SPECIFIC TESTS option. · On the left side of the screen, the Available Test Groups area lists the diagnostic test groups in the order they will be run if you select the RUN menu option and then the ALL menu option. On the right side of the screen, the System Configuration area lists the computer's current hardware settings. On the lower-right side of the screen, the IDE Drive Information area displays information about your hard-disk drive. The first line lists the options you can select; press the left- or right-arrow key to highlight a menu option. The second line gives information about the option currently highlighted. CAUTION: While the diagnostic tests are running, do not interrupt the tests, do not unplug the AC adapter (or plug one in if you are running the tests from battery power), and do not reboot the computer. Interrupting the tests in any of these ways could lead to the loss of system data. · · How to Use the Dell Diagnostics When you select RUN ALL TESTS or RUN SPECIFIC TESTS from the Diagnostics Menu, the main screen of the diagnostics appears (see Figure 4-2). The main screen lists the diagnostic test groups, gives information about the configuration of the computer, and allows you to select options from a menu. To select an option from the Diagnostics Menu, highlight the option and press <ENTER>, or press the key that corresponds to the highlighted letter in the option. Information on the main screen of the diagnostics is presented in the following five areas: · · Two lines at the top of the screen identify the diagnostics and give its version number. Running the Dell Diagnostics 4-3 Dell Computer Corporation Dell Latitude LM Diagnostics Version X. XX Available Test Groups RAM System Set Video Keyboard Mouse Diskette Drives Hard-Disk Drives (Non-SCSI) IDE CD ROM Drives Serial/Infrared Ports Parallel Ports SCSI Devices Network Interface Audio System Configuration Processor Pentium Memory 8 MB Secondary Cache 256 Video SVGA, 896 KB Keyboard 101 Key Diskette Drives A:1. 4MB, B:NONE Serial Ports 2 Parallel Ports 1 Mouse Integrated Modems None SCSI Devices None Network Interface None Serial IR Ports Integrated IDE Drive Information* 0 809MB, 1571 Cyl, 16 Hd, 63 Sec 1 NONE 2 NONE 3 NONE Test Limits About Key-Help Quit Press Q to Quit Main: Run Select Subtest Display the Run Menu. Options * On the Dell Latitude LM, a CD-ROM drive installed in the options bay is recognized as IDE Drive 1. Figure 4-2. Main Screen of the Dell Diagnostics Confirming the System Configuration Information When you boot the computer from your diagnostics diskette, the diagnostics checks your system configuration information and displays it in the System Configuration area on the main screen. The following sources supply this configuration information for the diagnostics: · Basic input/output system (BIOS) configuration information temporarily saved in RAM · · The system configuration information that you selected through the system setup options Identification tests of the microprocessor, the video controller, the keyboard controller, and other key components Do not be concerned if the System Configuration area does not list the names of all the components or devices you know are part of the computer. [. . . ] This refund will not include any shipping and handling charges shown on your invoice. If you are an organization that bought the products from Dell under a written agreement with Dell, there may be different terms for the return of products under this policy, based on your agreement with Dell. To return products, you must call Dell customer services to receive a Credit Return Authorization Number. You must ship the products to Dell in their original packaging, prepay shipping charges, and insure the shipment or accept the risk of loss or damage during shipment. [. . . ]