I am trying to install the AMD Catalyst, but after reboot I hit a black screen. I checked the /var/log/Xorg.0.log and everything is fine up to the point where it has a segmentation fault.

[    16.320] (EE) Backtrace:

[    16.320] (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x7f760efa8d28]

[    16.320] (EE) 1: /usr/bin/X (0x7f760ee00000+0x1aca19) [0x7f760efaca19]

[    16.320] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f760defd000+0x10340) [0x7f760df0d340]

[    16.320] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f760946c000+0x15660) [0x7f7609481660]

[    16.320] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f760946c000+0x10dfe9) [0x7f7609579fe9]

[    16.320] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f760946c000+0x10e545) [0x7f760957a545]

[    16.321] (EE) 6: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so (xdl_xs115_atiddxPxScreenInit+0x72) [0x7f7609f30ec2]

[    16.321] (EE) 7: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so (xdl_xs115_atiddxScreenInit+0x11fa) [0x7f7609f0d7fa]

[    16.321] (EE) 8: /usr/bin/X (AddScreen+0x71) [0x7f760ee55ca1]

[    16.321] (EE) 9: /usr/bin/X (InitOutput+0x3c8) [0x7f760ee96ce8]

[    16.321] (EE) 10: /usr/bin/X (0x7f760ee00000+0x596bb) [0x7f760ee596bb]

[    16.321] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f760c93cec5]

[    16.321] (EE) 12: /usr/bin/X (0x7f760ee00000+0x44dde) [0x7f760ee44dde]

[    16.321] (EE) 

[    16.321] (EE) Segmentation fault at address 0x18

Here is the full log: http://paste.ubuntu.com/8868827/

Here is the output of lshw: http://paste.ubuntu.com/8869436/

Here is the output of inxi -Fx: http://paste.ubuntu.com/8869518/

I have been fighting with fglrx and PowerXpress all day, and this is how far I have got.