I'm having trouble too with HP DV4-2080br. It has a Intel CORE i5 and RADEON Mobility 4550. If i try to switch to radeon graphics using kernel 2.6.25rc from maverick and vgaswitchero (DDIS) a receive a blackscreeen.
lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) 01:00.0 VGA compatible controller: ATI Technologies Inc M93 [Mobility Radeon HD 4500 Series] (rev ff) -- support graphics card hot switch https://bugs.launchpad.net/bugs/312756 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
