Operating system cannot execute command. Hard-disk drive failed to initialize. Faulty keyboard controller (defective system board). Operating system corrupted or not installed properly. Incorrect configuration settings in System Setup program, improperly connected hard-disk drive cable, faulty hard-disk drive controller subsystem (defective system board), or loose power cable. 3-4 Dell OptiPlex E1 Managed PC Service Manual 7DEO. . 6\VWH. (UUR. 0HVVDJH. FRQWLQXHG. 0HVVDJ. 'HILQLWLR. 3UREDEO. &DXVH. Invalid config-System Setup program Incorrect configuration uration contains incorrect syssettings in System Setup information - tem configuration program or faulty battery. please run settings. SETUP program Keyboard clock System cannot commu-Keyboard cable connecline failure nicate with keyboard. tor loose or improperly connected, defective key- Keyboard data board, or defective line failure keyboard/mouse controller (defective system Keyboard board). failure Keyboard stuck key failure Keyboard Keyboard/mouse con-Defective keyboard/ controller troller failed. mouse controller (defecfailure tive system board). Memory address During memory test, Faulty or improperly line failure at value read at address seated DIMMs or defecaddress, read was incorrect. tive system board. value expecting value Memory data line failure at address, read value expecting value Memory double word logic failure at address, read value expecting value Memory odd/even logic failure at address, read value expecting value Memory write/read failure at address, read value expecting value Beep Codes and Error Messages 3-5 7DEO. . 6\VWH. (UUR. 0HVVDJH. FRQWLQXHG. 0HVVDJ. 'HILQLWLR. 3UREDEO. &DXVH. Memory allocation error Software in use conflicts with operating system, application, or utility. Faulty application or utility. Memory tests terminated by keystroke Memory test did not complete. POST memory test terminated by pressing the . No boot device available System does not recognize diskette drive or hard-disk drive from which it is trying to boot. Faulty diskette, diskette/ tape drive subsystem, hard-disk drive, hard-disk drive subsystem, or no boot disk in drive A. No boot sector on hard-disk drive Configuration settings in System Setup program incorrect or operating system corrupted. Incorrect configuration settings in System Setup program or no operating system on hard-disk drive. No timer tick interrupt Timer on system board malfunctioning. Defective system board. Non-system disk or disk error Diskette in drive A, or hard-disk drive does not have bootable operating system installed on it. Faulty diskette, diskette/ tape drive subsystem, or hard-disk drive subsystem. Not a boot diskette Plug and Play Configuration Error Read fault Requested sector not found No operating system on diskette. System encountered problem in trying to configure one or more expansion cards. MS-DOS cannot read from diskette or hard- disk drive. System could not find particular sector on disk or requested sector defective. No operating system on diskette. System resource conflict. Faulty diskette, diskette/ tape drive subsystem, or hard-disk drive subsystem (defective system board). Reset failed Disk reset operation failed. Improperly connected diskette/tape drive, hard- disk drive interface cable, or power cable. Sector not found MS-DOS unable to locate sector on diskette or hard-disk drive. Defective sectors on diskette or hard-disk drive. 3-6 Dell OptiPlex E1 Managed PC Service Manual 7DEO. . 6\VWH. (UUR. 0HVVDJH. FRQWLQXHG. 0HVVDJ. 'HILQLWLR. 3UREDEO. &DXVH. Seek error MS-DOS unable to locate specific track on diskette or hard-disk drive. Defective diskette or hard-disk drive. Seek operation failed System could not find particular address mark on disk. Faulty diskette or hard- disk drive. Shutdown failure System board chip faulty. Defective system board. Time-of-day clock stopped Backup battery low. Defective battery or faulty chip (defective system board). Time-of-day not set Time or date setting in System Setup program incorrect or system battery bad. Incorrect Time or Date settings or defective system battery. Timer chip counter 2 failed Timer circuit on system board malfunctioning. Defective system board. Unexpected interrupt in protected mode Keyboard/mouse controller malfunctioning or one or more DIMMs improperly seated. Improperly seated DIMMs or faulty key- board/mouse controller chip (defective system board). Write fault MS-DOS cannot write to diskette or hard-disk drive. Faulty diskette or hard- disk drive. Write fault on selected drive Beep Codes and Error Messages 3-7 3-8 Dell OptiPlex E1 Managed PC Service Manual &+$37(5. 5HPRYLQJDQG5HSODFLQJ3DUW. This chapter provides procedures for removing the components, assemblies, and subassemblies in the Dell OptiPlex E1computer. Unless other wise noted, each procedure assumes the following: . You have performed the steps in “Precautionary Measures” found later in this chapter. . You have removed th...
