SuSE Linux: All versions
In this case, there are different possibilities:
/etc/XF86Config
(/etc/X11/XF86Config
in SuSE Linux 8.0 or newer) are too low.
In this case, refer to your monitor documentation to find out
what horizontal and vertical frequency ranges your monitor supports and adjust them using your normal X configuration method.
The relevant section in /etc/XF86Config
is (in short) similar to this:
# .... others .... Section "Monitor" Identifier "Primary Monitor" VendorName "...." ModelName "...." HorizSync 27-92 # horizontal frequency(ies) (in kHz) VertRefresh 50-160 # vertical frequency(ies) (in Hz) # the modelines follow ...