Similar problem here. Acer Timelinex laptop, 4820T ZQ1B with Intel HD graphics.
If I boot without the second monitor plugged in, then after logging in plug in the monitor, it works. (albeit without any advanced graphics support). [~] [~] sudo lshw -C display [sudo] password: *-display description: VGA compatible controller product: Core Processor Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 18 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:42 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:3050(size=8) [~] [~] cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=11.04 DISTRIB_CODENAME=natty DISTRIB_DESCRIPTION="Ubuntu 11.04" [~] [~] dmesg | grep -i aspire [ 0.000000] DMI: Acer Aspire 4820T/ZQ1B, BIOS V1.17 07/05/2010 [~] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776978 Title: everything on screen is garbled apart from the top bar (2 monitors, different resolutions, unity, natty) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs