Comment 97 for bug 537640

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2hansen (bo-2hansen-deactivatedaccount) wrote :

I am having the same issue with a HP NW8440 freshly installed. The waves appears on the laptop's lcd and resolution changes causes everything to get garbled - re-changing doesn't fix.

Applying the "options radeon modeset=0" fixes the waving on laptop screen, but resolution changes still cause problems. Boot screen is faulty as well.