HP Z1 G3 Maintenance And Service Manual page 64

Problem
Blurry video or requested
resolution cannot be set.
The picture is broken up,
rolls, jitters, or flashes.
Some typed symbols do
not appear correctly.
Integrated Graphics
comes up in OS when
using an MXM
56 Chapter 4 Diagnostics and troubleshooting
Cause Solution
2.
3.
Correct video drivers Install the video drivers included in the upgrade kit, or download and
were not loaded after install the latest drivers for your graphics card from
graphics controller http://welcome.hp.com/country/us/en/support.html.
upgrade.
The internal LCD panel 1.
cannot display
2.
requested resolution.
The graphics driver is 1.
not working properly.
2.
3.
The internal LCD panel 1.
connections to the
2.
motherboard might be
faulty or the panel
might be incorrectly
3.
adjusted.
The graphics driver is
1.
not working properly.
2.
3.
The font you are using Use the Character Map to locate and select the appropriate symbol.
does not support that
(Windows 7) Select Start > All Programs > Accessories > System Tools >
symbol.
Character Map. (Windows 10) Type character in the taskbar search
box, and then select Character Map.
The LCD panel Use one of the following:
resolution is not
●
properly set.
●
The graphics driver is Try either solution:
not working properly or
●
does not support the
symbol set with that
resolution.
●
1.
2.
3.
MXM is inserted 1.
incorrectly
2.
Verify that the LCD Display Cable connects J202 on the system board
to the internal LCD panel connector.
Verify that the LED Backlight Cable connects P2 on the system board
to the LED power connector on the internal LCD panel.
Change the resolution to 3840 x 2160.
Update the graphics driver to the latest version available for your
graphics controller.
Boot into the OS and uninstall the graphics driver.
Restart the computer.
Install the latest graphics driver for your graphics controller.
Open the computer.
Verify the LCD display cable connects J202 on the system board to
the display connector on the internal LCD panel.
Verify that the LED backlight cable connects P2 on the system board
to the LED power connector on the internal LCD panel.
Boot into the OS and uninstall the graphics driver.
Reboot.
Install the latest graphics driver for your graphics controller.
Change the panel resolution in the Windows Control Panel by
navigating to Appearance and Personalization > Display. Click
Change display settings then adjust the resolution.
Use the control panel for the graphics controller (Intel or nVidia).
Change the panel resolution using either of the following: 1) Change
the panel resolution in the Windows Control Panel by navigating to
Appearance and Personalization > Display. Click Change display
settings then adjust the resolution. or 2) Use the control panel for
the graphics controller (Intel or nVidia).
Install the latest graphics driver:
Boot into the OS and uninstall the graphics driver.
Restart the computer.
Install the latest graphics driver for your graphics controller.
Open the system and locate the MXM graphics module.
Carefully remove the MXM module heat sink.