HP Z400 Workstation Maintenance and Service Guide
Page 164
... and then the workstation beeps 6 times. Prevideo graphics error. Replace the system board. Dim characters The brightness and contrast Adjust the monitor brightness and contrast controls. Screen blanking utility installed Press a key or the mouse button and, if set properly. Workstation monitor settings are ...is being used with Energy Saver features enabled. Computer is in VGA mode. 2. Power LED flashes red 6 times (once every second), followed by your workstation in Hibernate mode. Press the power button to resume from the monitor to the graphics card and...
... and then the workstation beeps 6 times. Prevideo graphics error. Replace the system board. Dim characters The brightness and contrast Adjust the monitor brightness and contrast controls. Screen blanking utility installed Press a key or the mouse button and, if set properly. Workstation monitor settings are ...is being used with Energy Saver features enabled. Computer is in VGA mode. 2. Power LED flashes red 6 times (once every second), followed by your workstation in Hibernate mode. Press the power button to resume from the monitor to the graphics card and...