Compaq 7000 Series Maintenance And Service Manual page 167

Compaq Presario Internet PC 7000 Series Computers
PRODUCT DESCRIPTION
REMOVAL AND REPLACEMENT PROCEDURES
Power-On Self Test (POST)
CLEARING CMOS
POWER-ON SELF
POST is a series of diagnostic tests that run automatically when the system is turned
TEST (POST)
on. After the computer is turned on, POST checks the following assemblies to ensure
that the computer system is functioning properly:
CONFIGURATION
DIAGNOSTIC
ERROR CODES
TROUBLESHOOTING
WITHOUT
DIAGNOSTICS
POST also detects the type of mass storage devices installed in the computer.
If POST finds an error in the system, an error condition is indicated by an audible
and/or visual message. The table below gives explanations of the error codes and a
recommended course of action.
NOTE
Click a link below to find the probable cause and recommended action for a given
error message.
Disk Drive A Error
Extended RAM failed at
offset
JUMPER AND SWITCH INFORMATION
Keyboard
1.
System board
2.
Memory modules
3.
Video memory
4.
Disk drives
5.
Hard drives
6.
Power supply
7.
An external speaker must be installed into the speaker output connector to
hear the audible beeps during POST.
Keyboard Controller Error
Keyboard Error
TROUBLESHOOTING
ILLUSTRATED PARTS CATALOG
SPECIFICATIONS
System BIOS Shadowed
System Cache Error
United States
TROUBLESHOOTING