User manual PANASONIC CF-VDD285

[. . . ] Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own. July 1997 P/N 84926 Contents Chapter 1 System Overview. 1-7 Enhanced Dual-Interface EIDE Subsystem . 1-10 Pin Assignments for the DC Power Connectors . [. . . ] Incorrect NIC drivers installed. Beep Codes and Error Messages 3-7 Table 3-2. System Error Messages (continued) Message Definition Probable Causes No boot device available System does not recognize diskette drive or hard-disk drive from which it is trying to boot. Configuration settings in System Setup program incorrect, or operating system corrupted. Diskette in drive A or hard-disk drive does not have bootable operating system installed on it. System encountered problem in trying to configure one or more expansion cards. MS-DOS cannot read from diskette or harddisk drive. System could not find particular sector on disk, or requested sector defective. Disk reset operation failed. Faulty diskette, diskette/ tape drive subsystem, hard-disk drive, hard-disk drive subsystem, or no boot disk in drive A. Incorrect configuration settings in System Setup program, or no operating system on hard-disk drive. Faulty diskette, diskette/ tape drive subsystem, or hard-disk drive subsystem (defective system board). System resource conflict. No boot sector on hard-disk drive No timer tick interrupt Non-system disk or disk error Not a boot diskette Plug and Play Configuration Error Read fault Faulty diskette, diskette/ tape drive subsystem, or hard-disk drive subsystem (defective system board). Requested sector not found Reset failed Improperly connected diskette/tape drive, harddisk drive interface cable, or power cable. Also, disconnect any telephone or telecommunication lines from the computer. Wear a wrist grounding strap, and clip it to an unpainted metal surface, such as the padlock ring on the back of the chassis. If a wrist grounding strap is not available, touch an unpainted metal surface on the back of the computer to discharge any static charge from your body. 4-2 Dell WorkStation 400 Systems Service Manual Floor Stand floor stand screw Figure 4-1. Floor Stand Removal To remove the floor stand, follow these steps: 1. Place the right side of the computer on a flat work surface. Use your fingers or a wide flat-blade screwdriver to unscrew the floor stand screw. Pull the floor stand away from the computer. Disengage the three orientation nubs that position and help hold the floor stand to the computer. Removing and Replacing Parts in the Midsize Chassis 4-3 Computer Cover securing button front of computer Figure 4-2. Computer Cover Removal To remove the computer cover, follow these steps: 1. Remove the padlock if one is installed. back of computer Figure 4-3. Press the two securing buttons until the cover is free to swing up. [. . . ] Displays current status of system's password security feature. Also used to assign and verify a new password. Num Lock Keyboard Errors System Password System Setup Program A-3 Table A-1. System Setup Categories (continued) Category Function Password Status Provides an extra measure of system security by letting you set the system password to Locked or Unlocked. Determines whether system boots from diskette (if present) or hard-disk drive. [. . . ]