Compaq DESKPRO 1000 - Manual (Page 17)

Compaq Deskpro 1000 Series of Personal Computers 2-1
chapter 2
T
ROUBLESHOOTING
This chapter provides troubleshooting information for the Compaq Deskpro 1000 Series of
Personal Computers including:
„ Power-On Self Test (POST)—POST messages listed in Table 2-1 include a description of
the error, the probable cause, and the recommended action that should be taken to resolve
the error condition.
„ CMOS Setup Utility—Computer Setup options are available through the CMOS Setup
Utility.
„ Troubleshooting Without Diagnostics—Tables 2-2 through 2-9 include a
problem/solution checklist for power, diskette drive, display, printer, hard drive, CD-
ROM, and memory.
Adherence to the procedures and precautions described in this chapter is essential for proper
service.
✎
Some features may not be available on all models.
2.1 Power-On Self Test (POST)
The POST procedure is embedded in the system BIOS and performs a series of diagnostic tests
that automatically run when the system is turned on. POST checks the following assemblies to
ensure that the computer system is functioning properly:
„
Keyboard
„ Mouse
„ System board
„
Memory modules
„ Video
„ Diskette drives
„ Hard drives
„ Power supply
„ Controllers
If POST detects an error in the system, an error condition is indicated by an audible and/or visual
message. Table 2-1 explains the error codes and suggests a recommended course of action.
2.1.1 POST Error Messages
An error message may be followed by a prompt to press F1 to continue or press DEL to enter
Setup.