Dell XPS 720 Black Owner's Manual - Page 72
Dell Diagnostics, When to Use Dell Diagnostics, Starting Dell Diagnostics From Your Hard Drive
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Message Keyboard Error KB/Interface Error No ROM Basic Possible Cause The BIOS has detected a stuck key. An error occurred with the keyboard connector. The operating system cannot be located on drive A or drive C. Corrective Action 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. 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. Enter the system setup program (see "Entering System Setup" on page 166) and confirm that drive A or drive C is properly identified. Dell Diagnostics CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. When to Use Dell Diagnostics If you experience a problem with your computer, perform the checks in "Solving Problems" on page 53 and run Dell Diagnostics before you contact Dell for technical assistance. NOTE: Dell Diagnostics only operate on Dell computers. Run Dell Diagnostics from your hard drive or from the Drivers and Utilities media. Starting Dell Diagnostics From Your Hard Drive 1 Turn on (or restart) your computer. 2 When the DELL logo appears, press immediately. NOTE: Keyboard failure may result when a key is held down for extended periods of time. To avoid possible keyboard failure, press and release in even intervals to open the Boot Device Menu. NOTE: If at any time a message appears stating that no diagnostics utility partition has been found, run Dell Diagnostics from your Drivers and Utilities media (see "Starting Dell Diagnostics From the Drivers and Utilities Media" on page 73). 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 . NOTE: The Quickboot feature changes the boot sequence for the current boot only. Upon restart, the computer boots according to the boot sequence specified in system setup. 72 Troubleshooting