A filename cannot contain any of the following characters: \ / : * ? " < > | —Do not use these characters in filenames.Gate A20 failure —A memory module may be loose. Reinstall the memory modules and, if necessary, replace them. See Memory.General failure —The operating system is unable to carry out the command. The message is usually followed by specific information—for example, Printer out of paper. Takethe appropriate action.Hard-disk drive configuration error —The computer cannot identify the drive type. Run the Hard-Disk Drive tests in the Dell Diagnostics. See Dell Diagnostics.Hard-disk drive controller failure 0 —The hard drive does not respond to commands from the computer. Run the Hard-Disk Drive tests in the Dell Diagnostics. See Dell Diagnostics.Hard-disk drive failure —The hard drive does not respond to commands from the computer. Run the Hard-Disk Drive tests in the Dell Diagnostics. See Dell Diagnostics.Hard-disk drive read failure —The hard drive may be defective. Run the Hard-Disk Drive tests in the Dell Diagnostics. See Dell Diagnostics.Insert bootable media —The operating system is trying to boot to nonbootable media. Insert bootable media.Invalid configuration information-please run System Setup Program —The system configuration information does not match the hardware configuration. The message is most likely to occur after a memory module is installed.Correct the appropriate options in the system setup program. See System Setup Program.Keyboard clock line failure —Run the Keyboard Controller test in the Dell Diagnostics. See Dell Diagnostics.Keyboard controller failure —Restart the computer, and avoid touching the keyboard or the mouse during the boot routine. Run the Keyboard Controller test in the Dell Diagnostics. SeeDell Diagnostics.Keyboard data line failure —Run the Keyboard Controller test in the Dell Diagnostics. See Dell Diagnostics.Keyboard stuck key failure —Restart the computer, and avoid touching the keyboard or keys during the boot routine. Run the Stuck Key test in the Dell Diagnostics. See Dell Diagnostics.Licensed content is not accessible in MediaDirect — Dell MediaDirect™ cannot verify the Digital Rights Management (DRM) restrictions on the file, so the filecannot be played. See Dell MediaDirect problems.