HP Z1 Maintenance And Service Manual page 76

Table 4-3 Internal LCD display problems (continued)
Problem
Some typed symbols
do not appear correctly.
66 Chapter 4 Diagnostics and troubleshooting
Cause Solution
The font you are Use the Character Map to locate and select the appropriate symbol.
using does not
Select Start > All Programs > Accessories > System Tools >
support that symbol.
Character Map. You can copy the symbol from the Character Map
into a document.
The LCD panel Change the panel resolution in the Windows Control Panel > Screen
resolution is not Resolution menu or through the control panel for the graphics
properly set. controller (Intel or nVidia).
The graphics driver Try either solution:
does is not working
●
properly or does not
support the symbol
set with that
resolution.
●
1.
2.
3.
Change the panel resolution in the Windows Control Panel >
Screen Resolution menu or through 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.