126
SYSTEM DIAGNOSTICS AND TROUBLESHOOTING
Workstation powered off
automatically and the Power
LED flashes Red two times,
once every second, followed
by a two-second pause.
Processor thermal protection
activated:
A fan might be blocked or not
turning.
OR
The heatsink is not properly
attached to the processor.
1
Ensure workstation air vents are not blocked
and the cooling fan is running.
2
Open hood, press power button, and see if the
processor fan spins. If not spinning, be sure
the fan’s cable is plugged onto the system
board header. Ensure the fan is fully/properly
seated or installed.
3
Replace the processor fan.
4
Reseat processor heatsink and verify that the
fan assembly is properly attached.
System does not power on and
the LEDs on the front of the
workstation are not flashing.
System unable to power on.
Press and hold the power button for less than 4
seconds. If the hard drive LED turns green, then:
1
Remove the expansion cards one at a time
until the 5V_aux light on the system board
turns on.
2
Replace the system board.
OR
Press and hold the power button for less than 4
seconds. If the hard drive LED does not turn on
green then:
1
Check that the unit is plugged into a working
AC outlet.
2
Open hood and check that the power button
harness is properly connected to the system
board.
3
Check that both power supply cables are
properly connected to the system board.
4
If the 5V_aux light on the system board is on,
then replace the power button harness.
5
If the 5V_aux light on the system board is off,
perform the Built-In Self-Test on the power
supply. Disconnect the AC power cord from
the system. Disconnect all internal power
supply cables. Plug in AC power.
If the green BIST LED on the rear of the
workstation is lit AND the fan is spinning,
the power supply is functional.
If the green BIST LED is not lit OR the fan is
not spinning, replace the power supply.
6
Replace the system board.
Table 5-3
Solving Minor Problems (Continued)
Problem
Cause
Possible Solution
Содержание Xw4200 - Workstation - 1 GB RAM
Страница 1: ...HP Workstation xw4200 Service and Technical Reference Guide ...
Страница 12: ...XII PREFACE ...
Страница 26: ...26 PRODUCT OVERVIEW ...
Страница 66: ...66 SYSTEM MANAGEMENT ...
Страница 110: ...110 REMOVAL AND REPLACEMENT 4 Install the SATA drive as shown in the following illustration ...
Страница 152: ...152 SYSTEM DIAGNOSTICS AND TROUBLESHOOTING ...
Страница 174: ...174 POWER CORD SET REQUIREMENTS ...
Страница 178: ...178 ROUTINE CARE ...
Страница 184: ...184 QUICK TROUBLESHOOTING FLOWS Initial Troubleshooting ...
Страница 185: ...NO POWER 185 Appendix I No Power ...
Страница 186: ...186 QUICK TROUBLESHOOTING FLOWS ...
Страница 187: ...NO POWER 187 Appendix I ...
Страница 188: ...188 QUICK TROUBLESHOOTING FLOWS No Video ...
Страница 189: ...NO VIDEO 189 Appendix I ...
Страница 190: ...190 QUICK TROUBLESHOOTING FLOWS ...
Страница 191: ...ERROR MESSAGES 191 Appendix I Error Messages ...
Страница 192: ...192 QUICK TROUBLESHOOTING FLOWS ...
Страница 193: ...ERROR MESSAGES 193 Appendix I ...
Страница 194: ...194 QUICK TROUBLESHOOTING FLOWS No OS Loading ...
Страница 195: ...NO OS LOADING FROM HARD DRIVE 195 Appendix I No OS Loading from Hard Drive ...
Страница 196: ...196 QUICK TROUBLESHOOTING FLOWS ...
Страница 197: ...NO OS LOADING FROM HARD DRIVE 197 Appendix I ...
Страница 198: ...198 QUICK TROUBLESHOOTING FLOWS No OS Loading from Diskette Drive ...
Страница 199: ...NO OS LOADING FROM CD ROM DRIVE 199 Appendix I No OS Loading from CD ROM Drive ...
Страница 200: ...200 QUICK TROUBLESHOOTING FLOWS No OS Loading from Network ...
Страница 201: ...NON FUNCTIONING DEVICE 201 Appendix I Non Functioning Device ...
Страница 202: ...202 QUICK TROUBLESHOOTING FLOWS ...
Страница 206: ...206 ...