Perhaps you need a driver for the graphic controller. Sometimes integrated stuff takes a while for the drivers to reach the kernel, especially if it is new hardware.
# Configuring X
Linux Hardware Compatibility HOWTO - video cards
The Linux XFree86 HOWTO
Common X configuring tools:
Redhat 7.3 down - the
setup utility leads to several config tools
Redhat 7.3 up - redhat-config-xfree86
Debian - dpkg-reconfigure xserver-xfree86
You may have these tools:
XF86Setup
XFree86 -configure
Xconfigurator
xf86cfg
xf86config
xconf
# Redhat links
RedHat Linux Manuals
Maximum RPM
rpmfind
Easier software management:
apt4rpm -
Red Carpet
RedHat 8.0 Tips & Tricks
# Redhat 7.3 down configuration commands
setup leads to several configuration tools
# Redhat 7.3 up configuration commands
Configure soundcard:
redhat-config-soundcard
Configure X server:
redhat-config-xfree86
Configure network:
redhat-config-network