Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program (see Entering System Setup). Cache Memory Bad, Do Not Enable Cache The cache memory is not operating. See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance. CH-2 Timer Error An error is occurring on the timer on the system board. See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance. CMOS Battery State Low CMOS Checksum Failure CMOS System Options Not Set CMOS Display Type Mismatch CMOS Memory Size Mismatch CMOS Time and Date Not Set The system configuration information in the system setup program is incorrect or the battery charge may be low. Enter the system setup program (see Entering System Setup), verify the system configuration, and then restart the computer. Diskette Boot Failure Drive A or B is present but has failed the BIOS POST. Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program (see Entering System Setup). Check the interface cable at both ends. DMA Error DMA 1 Error DMA 2 Error Error in the DMA controller on the system board. The keyboard or system board (see Removing the System Board) may need to be replaced. FDD Controller Failure HDD Controller Failure The BIOS cannot communicate with the floppy drive or hard drive controller. Ensure that the floppy drive or the hard drive (Installing a Hard Drive) is installed correctly in the computer and defined correctly in the system setup program (see Entering System Setup). Check the interface cable at both ends. INTR1 Error An interrupt channel on the system board failed to The keyboard or system board (see Removing the System Board) may need to 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 (see "Turning Off Your Computer" on page 7) and try again. 3. When the boot device list appears, highlight Boot to Utility Partition and press . 4. When the Dell Diagnostics Main Menu appears, select the test you want to run. Dell Diagnostics Main Menu 1. After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want. 2. If a problem is encountered during a test, a message appears with an error code and a description of the problem. Write down the error code and problem description and follow the instructions on the screen. 3. If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information. 4. Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen. INTR2 Error POST. be replaced. Invalid Boot Diskette The operating system cannot be located on drive A or drive C. Enter the system setup program (see Entering System Setup)and confirm that drive A or drive C is properly identified. Keyboard Error The BIOS has detected a stuck key. Ensure that nothing is resting on the keyboard; if a key appears to be stuck, carefully pry it up. If the problem persists, you may need to replace the keyboard. KB/Interface Error An error occurred with the keyboard connector. Ensure that nothing is resting on the keyboard; if a key appears to be stuck, carefully pry it up. If the problem persists, you may need to replace the keyboard. No ROM Basic The operating system cannot be located on drive A or drive C. Enter the system setup program (see Entering System Setup) and confirm that drive A or drive C is properly identified. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: The Dell Diagnostics works only on Dell™ computers. Option Function Express Test Performs a quick test of devices. This test typically takes 10 to 20 minutes and requires no interaction on your part. Run Express Test first to increase the possibility of tracing the problem quickly. Extended Test Performs a thorough check of devices. This test typically takes an hour or more and requires you to answer questions periodically. Custom Test Tests a specific device. You can customize the tests you want to run. Symptom Tree Lists the most common symptoms encountered and allows you to select a test based on the symptom of the problem you are having. Tab Function Results Displays the results of the test and any error conditions encountered. Errors Displays error conditions encountered, error codes, and the problem description. Help Describes the test and may indicate requirements for running the test. Configuration Displays your hardware configuration for the selected device. The Dell Diagnostics obtains configuration information for all devices from system setup, mem...
