32 TroubleshootingError MessagesCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions that shipped with your computer.NOTE: If the message you received is not listed below, see the documentation foreither the operating system or the program that was running when the messageappeared.AU X I L I A R Y D E V I C E F A I L U R E — The touch pad or external mouse may be faulty.For an external mouse, check the cable connection. Enable the PointingDevice option in the system setup program. See your Service Manual atsupport.dell.com for more information. If the problem persists, contact Dell(see "Contacting Dell" on page 71).BA D C O M M A N D O R F I L E N A M E — Ensure that you have spelled the commandcorrectly, put spaces in the proper place, and used the correct pathname.CA C H E D I S A B L E D D U E T O F A I L U R E — The primary cache internal to themicroprocessor has failed. Contact Dell (see "Contacting Dell" on page 71).CD D R I V E C O N T R O L L E R F A I L U R E — The CD drive does not respond tocommands from the computer.DA T A E R R O R — The hard drive cannot read the data.DE C R E A S I N G A V A I L A B L E M E M O R Y — One or more memory modules may befaulty or improperly seated. Reinstall the memory modules and, if necessary,replace them. See your Service Manual at support.dell.com for moreinformation.DI S K C: F A I L E D I N I T I A L I Z A T I O N — The hard drive failed initialization. Run thehard drive tests in the Dell Diagnostics (see "Dell Diagnostics" on page 39).DR I V E N O T R E A D Y — The operation requires a hard drive in the bay before itcan continue. Install a hard drive in the hard drive bay. See your ServiceManual at support.dell.com for more information.ER R O R R E A D I N G PCMCIA C A R D — The computer cannot identify theExpressCard. Reinsert the card or try another card. See your Service Manualat support.dell.com for more information.4-4-3 Math-coprocessor test failure4-4-4 Cache test failureCode Cause