I also have this problem on a Thinkpad T410 with the i5 processor with Intel integrated video. I am running the 64-bit OS. This worked without an issue on Maverick. -T410:~$ sudo dmidecode -t 11 # dmidecode 2.9 SMBIOS 2.6 present. Handle 0x0027, DMI type 11, 5 bytes OEM Strings String 1: IBM ThinkPad Embedded Controller -[6IHT39WW-1.14 ]-
-T410:~$ sudo lspci | grep -i vga 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/766490 Title: [Natty-Beta2] Turning off laptop monitor turn off both monitors (laptop and external) on Vostro 3500 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs