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l If the problem persists, contact Dell (see "Contacting Dell" in your Owner's Manual). After POST is complete, all four diagnostic lights turn green briefly before turning off to indicate normal operating condition. None. Code Cause 2 short, 1 long BIOS checksum error 1 long, 2 short Memory test failure (bad memory during memory sizing) 1 long, 3 short, 2 short No memory 1 short F12 key pressed NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running when the message appeared. A filename cannot contain any of the following characters: \ / : * ? " < > | — Do not use these characters in filenames. A required .DLL file was not found — The program that you are trying to open is missing an essential file. To remove and then reinstall the program: 1. Click the Start button, click Control Panel, and then click Add or Remove Programs. 2. Select the program you want to remove. 3. Click the Change or Remove Program icon. 4. See the program documentation for installation instructions. Attachment failed to respond — See "Drive Problems" in your Owner's Manual. Bad command or file name — Ensure that you spelled the command correctly, put spaces in the proper place, and used the correct pathname. Bad error-correction code (ECC) on disk read — See "Drive Problems" in your Owner's Manual. Data error — See "Drive Problems" in your Owner's Manual. Diskette drive 0 seek failure — See "Drive Problems" in your Owner's Manual. Diskette read failure — See "Drive Problems" in your Owner's Manual. Diskette write protected — Slide the write-protect notch on the floppy disk to the open position. Hard-disk drive failure — See "Drive Problems" in your Owner's Manual. No boot device detected — Insert a bootable floppy disk or CD. Invalid configuration information - please run SETUP program — Enter system setup and correct the computer configuration information (see Entering System Setup). Keyboard failure — See "Keyboard Problems" in your Owner's Manual. Memory allocation error — 1. Turn off the computer, wait 30 seconds, and then restart the computer. 2. Try to run the program again. 3. If the error message appears again, see the software documentation for additional troubleshooting suggestions. No boot device available — l If the floppy drive is your boot device, ensure that a bootable floppy disk is in the drive. l If the hard drive is your boot device, ensure that the cables are connected and that the drive is installed properly and partitioned as a boot device. l Enter system setup and ensure that the boot sequence information is correct (see Entering System Setup). Non-system disk error — Remove the floppy disk from the drive and restart your computer. Non-system disk or disk error — Replace the floppy disk with one that has a bootable operating system or remove the floppy disk from drive A and restart the computer. Not a boot diskette — Insert a bootable floppy disk and restart your computer. Dell Diagnostics Starting the Dell Diagnostics 1. Turn on (or restart) your computer. 2. When the DELL logo appears, press immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop, then shut down your computer and try again. 3. At the Boot Device Menu, use the up- and down-arrow keys or press the appropriate number on the keyboard to highlight Boot to Utility Partition, and then press . 4. At the Dell Diagnostics Main Menu, left-click with the mouse, or press and then , to select the test you want to run (see Dell Diagnostics Main Menu). Not enough memory or resources. Close some programs and try again — Close all windows and open the program that you want to use. In some cases, you might have to restart your computer to restore computer resources. If so, run the program that you want to use first. Read fault — Requested sector not found — Reset failed — See "Drive Problems" in your Owner's Manual. Sector not found — l Run the Windows error-checking utility to check the file structure on the floppy disk or hard drive. See Windows Help for instructions. l If a large number of sectors are defective, back up the data (if possible), and then reformat the floppy disk or hard drive. Seek error — See "Drive Problems" in your Owner's Manual. Shutdown failure — Run the Dell Diagnostics. Unexpected interrupt in protected mode — Run the Dell Diagnostics. WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the [primary/secondary] EIDE controller is operating outside of normal specifications. It is advisable to immediately back up your data and replace your hard drive by calling your support desk or Dell — If no replacement drive is immediately available and the drive is not the only bootable drive, enter system setup and change the appropriate drive setting to None. Then remove the drive from the computer (see Entering System Setup).

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