Dell Latitude CP Reference And Troubleshooting Manual

Also see for Latitude CP: Service manual Service manual

Contents

3-22 Dell Latitude CP Reference and Troubleshooting Guide5. Attach the diskette drive to the parallel port.Insert a bootable diskette, and reboot thecomputer.6. Check drive D in the Windows 95 Explorer. Arethe root directory contents for drive D displayed?Yes. The problem is resolved.No. Go to step 7.7. Insert your Dell Diagnostics diskette into thediskette drive, and reboot the computer. Then runthe IDE CD ROM Drives test group. Does yourCD-ROM drive pass all the tests?Yes. Return to step 1, and perform this troubleshoot-ing procedure again. If you continue to experiencetrouble, call Dell for technical assistance. (See Chap-ter 5, “Getting Help,” for instructions.)No. Go to step 8.8. Call Dell for technical assistance.See Chapter 5, “Getting Help,” for instructions.Troubleshooting the Hard-Disk DriveDuring POST, the computer checks the hard-disk drive,comparing its characteristics with the system configura-tion information. (The hard-disk drive/CD-ROM driveaccess indicator blinks as the computer performs thischeck.) If a failure occurs with the drive, make a copy ofthe Diagnostics Checklist found in Chapter 5 and fill itout as you complete the following procedure.NOTE: If you have another hard-disk drive that you knowis in good condition, install it in your computer beforeyou begin this procedure and perform the operation thatcaused you to suspect a hard-disk drive failure. If there isno evidence of a drive failure with the second driveinstalled, the first drive is probably defective. If the sec-ond drive fails, reinstall the first drive and start thefollowing procedure.1. Reboot the computer. Does the drive access indica-tor blink during the boot routine, and does the driveboot the operating system?Yes. If a message appears on the display, seeTable 3-2 for an explanation of the message and pos-sible corrective actions. Then go to step 6.No. Continue to step 2.2. Insert your operating system diskette into driveA, and reboot the computer.3. Check drive C in the Windows 95 Explorer. Arethe root directory contents for drive C displayed?Yes. Go to step 5.No. Continue to step 4.4. If your hard-disk drive has more than one logicaldrive, check drive D. Are the root directory con-tents for drive D displayed?Yes. Continue to step 5.No. You may have a corrupted boot sector or fileallocation table (FAT) on drive C. Go to step 8.5. Rename your autoexec.bat and config.sys files,remove the operating system diskette from drive A,and reboot the computer. Does the operating systemload now?Yes. You have an error in your autoexec.bat or con-fig.sys file. Use a text editor to examine the contentsof these files and locate the error. For information onthe correct syntax for commands in these files, seethe documentation that came with your operatingsystem.No. Continue to step 6.6. Insert your diagnostics diskette into drive A, andreboot the computer. Then run the Hard-DiskDrive test group. Does your drive pass all thetests?Yes. Continue to step 7.No. Go to step 8.7. Replace your diagnostics diskette with the operat-ing system diskette, and reboot the computer.Does the operating system load now?Yes. The hard-disk drive may contain a corruptedoperating system or it may have bad sectors. Re-install the operating system as described in thedocumentation that accompanied your operating sys-tem. If reinstalling the operating system does notcorrect the problem, continue to step 8.No. Continue to step 8.8. Call Dell for technical assistance.See Chapter 5, “Getting Help,” for instructions.