Dell Latitude CP Reference And Troubleshooting Manual

Also see for Latitude CP: Service manual Service manual

Contents

Troubleshooting Your Computer 3-21Troubleshooting the Diskette DriveDuring the power-on self-test (POST), the computerchecks the diskette drive, comparing its characteristicswith the system configuration information. (The diskette-drive access indicator blinks as the computer performsthis check.)If a failure occurs with the drive, make a copy of theDiagnostics Checklist found in Chapter 5 and fill it out asyou complete the following procedure.1. Reboot the computer. Does the access indicatorblink during the boot routine (or does the activityindicator light up on the external diskette drive)?Yes. Go to step 3.No. Go to step 2.2. Remove and reinsert the diskette drive (or dis-connect and reconnect the drive if usedexternally). Reboot the computer. Does the driveaccess indicator blink during the boot routine?Yes. Go to step 3.No. Go to step 6.3. Does the computer display a drive error message?Yes. See Table 3-2 for an explanation of the message,and then go to step 4.No. Go to step 6.4. Insert a bootable 1.44-MB diskette into the drive,and reboot the computer.5. Does the drive access indicator blink during theboot routine, and does the drive boot the operatingsystem?Yes. The diskette drive problem has probably beenresolved. If you continue to experience trouble, callDell for technical assistance. (See Chapter 5, “Get-ting Help,” for instructions.)No. Go to step 6.6. Call Dell for technical assistance.See Chapter 5, “Getting Help,” for instructions.Troubleshooting the CD-ROM DriveDuring POST, the computer checks the CD-ROM drive,comparing its characteristics with the system configura-tion information. (The drive access indicator blinks as thecomputer performs this check.)NOTE: Check the config.sys and autoexec.bat filesbefore using the following procedure. If necessary, addthe following statement to the config.sys file:device=c:\tsy\tsycdrom.sys. If necessary,add the following statement to the autoexe.bat file:c:\dos\mscdex.exe /d:tsycdl. Then save thechanges and reboot the computer. If the problem persists,use the following troubleshooting procedure before call-ing Dell.If a failure occurs with the drive, make a copy of theDiagnostics Checklist found in Chapter 5 and fill it out asyou complete the following procedure:1. Turn off the computer, and then install theCD-ROM drive in the modular bay. Reboot thecomputer. Does the drive access indicator blinkduring the boot routine.Yes. Go to step 3.No. Go to step 2.2. Remove and reinsert the CD-ROM drive. Rebootthe computer. Does the drive access indicatorblink during the boot routine?Yes. Go to step 3.No. Go to step 7.3. Remove the hard-disk drive, and boot thecomputer. Does the drive access indicator blinkduring the boot routine?Yes. Go to step 4.No. Go to step 7.4. Reinstall the hard-disk drive. Then check theCD-ROM configuration in the Settings folder. Isthe CD-ROM driver (tsycdrom.sys) installed?Yes. Go to step 5.No. Load the driver and return to step 1 to begin thisprocedure again. (To load the driver, use the programdiskette sets you made when you first received yourDell computer.)