HP dc7700 Cause, Enter, Problem, Display, Solution, Settings, select Enable VGA Mode, Solving Display Problems (Continued)

Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem	Cause	Solution
Blank screen (no video).	Monitor settings in the	1.	Restart the computer and press
(continued)	computer are not		F8 during startup when you see
	compatible with the		“Press F8” in the bottom right
	monitor.		corner of the screen.
		2.	Using the keyboard arrow keys,
			select Enable VGA Mode
			and press Enter.
		3.	In Windows Control Panel,
			double-click the Display icon
			and select the Settings tab.
		4.	Use the sliding control to reset
			the resolution.
Cannot enable integrated	On systems with Intel	The integrated graphics can be
graphics after installing a	integrated graphics, the	enabled in Computer Setup if a
PCI Express graphics card.	integrated graphics	standard PCI graphics card is
	cannot be enabled after	installed.
	installing a PCI Express
	graphics card.
Blank screen and the	Pre-video memory error.	1.	Reseat DIMMs. Power on the
power LED flashes Red five			system.
times, once every second,		2.	Replace DIMMs one at a time to
followed by a two second
			isolate the faulty module.
pause, and the computer
		3.	Replace third-party memory
beeps five times. Beeps
			with HP memory.
continue for five iterations
		4.	Replace the system board.
after which the LED flashes
will continue until the
problem is resolved.

Blank screen and the	Pre-video graphics
power LED flashes Red six	error.
times, once every second,
followed by a two second
pause, and the computer
beeps six times. Beeps
continue for five iterations
after which the LED flashes
will continue until the
problem is resolved.

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.

D–14 433612-001 Service Reference Guide, dc7700