I seem to have a similar problem on compaq 6710b. After resume screen just stays blank. If I go to console and back to graphics or kill X the backlight comes back on.
-- strange Xorg screen blanking control after resume from suspend to disk https://bugs.launchpad.net/bugs/127173 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs