Dell Dimension 5000 Service Manual

Also see for Dimension 5000: Service manual Installation and service guide Quick start guide Owner's manual Service manual

Beep CodesYour computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called a beep code, identifiesa problem. One possible beep code (code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the computerencountered a memory problem.If your computer beeps during start-up:1. Write down the beep codes.2. Run the Dell Diagnostics to identify a more serious cause.3. Contact Dell for technical assistance.No memory modules are detected. l If you have one memory module installed, reinstall it and restart the computer. See "Memory"for instructions on how to remove and install memory modules.l If you have two or more memory modules installed, remove the modules, reinstall one module,and then restart the computer. If the computer starts normally, reinstall an additional module.Continue until you have identified a faulty module or reinstalled all modules without error.l If available, install properly working memory of the same type into your computer.l If the problem persists, contact Dell.Memory modules are detected, buta memory configuration orcompatibility error exists.l Ensure that no special memory module/memory connector placement requirements exist.l Verify that the memory modules that you are installing are compatible with your computer (see"Memory").l If the problem persists, contact Dell.Other failure has occurred. l Ensure that the cables are properly connected to the system board from the hard drive, CDdrive, and DVD drive.l Check the computer message that appears on your monitor screen.l If the problem persists, contact Dell.The computer is in a normaloperating condition after POST.None.Code Cause1-1-2 Microprocessor register failure1-1-3 NVRAM read/write failure1-1-4 ROM BIOS checksum failure1-2-1 Programmable interval timer failure1-2-2 DMA initialization failure1-2-3 DMA page register read/write failure1-3 Video Memory Test failure1-3-1 through 2-4-4 Memory not being properly identified or used3-1-1 Slave DMA register failure3-1-2 Master DMA register failure3-1-3 Master interrupt mask register failure3-1-4 Slave interrupt mask register failure3-2-2 Interrupt vector loading failure3-2-4 Keyboard Controller Test failure3-3-1 NVRAM power loss3-3-2 Invalid NVRAM configuration3-3-4 Video Memory Test failure3-4-1 Screen initialization failure3-4-2 Screen retrace failure3-4-3 Search for video ROM failure4-2-1 No timer tick4-2-2 Shutdown failure4-2-3 Gate A20 failure4-2-4 Unexpected interrupt in protected mode4-3-1 Memory failure above address 0FFFFh4-3-3 Timer-chip counter 2 failure4-3-4 Time-of-day clock stopped4-4-1 Serial or parallel port test failure