HP xw4200 Service And Technical Reference Manual page 140

Table 5-12
Solving Hardware Installation Problems (Continued)
Problem
Power LED flashes Red six times,
once every second, followed by a
two-second pause, and the
workstation beeps six times.
140 SYSTEM DIAGNOSTICS AND TROUBLESHOOTING
Cause
Video card is not seated
properly or is bad, or system
board is bad.
Solution
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.
4 For systems with integrated graphics,
replace the system board.