HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 180

Enable VGA Mode, Enter, Display, Settings, Problem, Cause, Solution, SVDO Serial Digital Video Output

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Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Blank screen (no video). (continued) Monitor settings in the computer are not compatible with the monitor. Cannot enable integrated graphics after installing a PCI Express graphics card. Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved. Blank screen and the power LED flashes Red six 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. The SDVO connector on the system board has the physical appearance of a PCI Express x16 connector; however, the platform does NOT support the use of conventional PCI Express cards or reversed-layout ADD2 cards. Pre-video memory error. Pre-video graphics error. Solution 1. Restart the computer and press F8 during startup when you see "Press F8" in the bottom right 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. The platform only supports the use of normal (or non-reversed) layout ADD2 (Advanced Digital Display 2) adapter cards inserted into the SVDO (Serial Digital Video Output) connector on the platform's system board. ADD2 cards are used to give multi-monitor capabilities to the integrated graphics controller. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. 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-16 437804-001 Service Reference Guide, dc5700

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D–16
437804-001
Service Reference Guide, dc5700
Troubleshooting Without Diagnostics
Blank screen (no video).
(continued)
Monitor settings in the
computer are not
compatible with the
monitor.
1. Restart the computer and press
F8
during startup when you see
“Press F8” in the bottom right
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
graphics after installing a
PCI Express graphics card.
The SDVO connector on
the system board has
the physical
appearance of a PCI
Express x16 connector;
however, the platform
does NOT support the
use of conventional PCI
Express cards or
reversed-layout ADD2
cards.
The platform only supports the use of
normal (or non-reversed) layout
ADD2 (Advanced Digital Display 2)
adapter cards inserted into the
SVDO (Serial Digital Video Output)
connector on the platform’s system
board. ADD2 cards are used to give
multi-monitor capabilities to the
integrated graphics controller.
Blank screen and the
power LED flashes Red five
times, once every second,
followed by a two second
pause, and the computer
beeps five times. Beeps
continue for five iterations
after which the LED flashes
will continue until the
problem is resolved.
Pre-video memory error.
1. Reseat DIMMs. Power on the
system.
2.
Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
Blank screen and the
power LED flashes Red six
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.
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.
Solving Display Problems
(Continued)
Problem
Cause
Solution