HP Dx5150 Troubleshooting Guide - Page 72

diskette. See the ROM Flash, The Power LED will

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POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes six times, once every second, followed by a two-second pause. The Power LED will continue flashing until the problem is resolved. 6 Pre-video For systems with a graphics card: graphics error. 1. Reseat the graphics card. Power on the system. 2. Replace the graphics card. 3. Replace the system board. For systems with integrated graphics, replace the system board. Red Power LED flashes seven times, once every second, followed by a two-second pause. The Power LED will continue flashing until the problem is resolved. 7 System board Replace the system board. failure (ROM detected failure prior to video). Red Power LED flashes eight times, once every second, followed by a two-second pause. The Power LED will continue flashing until the problem is resolved. 8 Invalid ROM 1. Reflash the ROM using a ROMPaq based on bad diskette. See the "ROM Flash" checksum. section of the Desktop Management Guide on the Documentation CD. 2. Replace the system board. Red Power LED flashes nine times, once every second, followed by a two-second pause. The Power LED will continue flashing until the problem is resolved. 9 or None, depending on the issue System powers on but is unable to boot. 1. Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Replace the system board. 3. Replace the processor. A-8 www.hp.com Troubleshooting Guide

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A–8
www.hp.com
Troubleshooting Guide
POST Error Messages
Red Power LED
flashes six times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
6
Pre-video
graphics error.
For systems with a graphics card:
1. Reseat the graphics card. Power on
the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated graphics,
replace the system board.
Red Power LED
flashes seven times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
7
System board
failure (ROM
detected
failure prior to
video).
Replace the system board.
Red Power LED
flashes eight times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
8
Invalid ROM
based on bad
checksum.
1. Reflash the ROM using a ROMPaq
diskette. See the “ROM Flash”
section of the
Desktop
Management Guide
on the
Documentation
CD
.
2. Replace the system board.
Red Power LED
flashes nine times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
9 or None,
depending
on the
issue
System powers
on but is
unable to
boot.
1. Check that the voltage selector,
located on the rear of the power
supply (some models), is set to the
appropriate voltage. Proper voltage
setting depends on your region.
2. Replace the system board.
3. Replace the processor.
Diagnostic Front Panel LEDs and Audible Codes
(Continued)
Activity
Beeps
Possible
Cause
Recommended Action