1997 digital dash stoped working

waco254

i woke up this morning and started my car and my digital dash faded out you can still bearly see it. but its not bright enough to see does anyone know if i could replace a bulb in it or do i have to replace the whole digital dash and if i do have to replace it will the milage be the same?

euphonium

Hopefully, the reostat adjusting knob on the manual light switch can be twisted to revive the brightness of the dash.