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Just for the record, I installed both the stable (14.4) and the beta (14.6) drivers. Dota 2 runs at a low FPS and ugly, whereas I can run it perfectly using the Intel 4400, which is much less powerful. Moving windows around causes a lot of tearing, resizing windows is slow and even scrolling down a page on Firefox is slow. However, the performance is terrible with the AMD card. I can run X, and I can even switch between the two cards. I was able to install AMD's Catalyst from the Ubuntu repositories and following these instructions from the AMD Linux Community's wiki. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)Ġ2:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)Ġ3:00.0 Display controller: Advanced Micro Devices, Inc. Here's the output from lspci: 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)Ġ0:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)Ġ0:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)Ġ0:14.0 USB controller: Intel Corporation Lynx Point-LP USB xHCI HC (rev 04)Ġ0:16.0 Communication controller: Intel Corporation Lynx Point-LP HECI #0 (rev 04)Ġ0:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev 04)Ġ0:1c.0 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 3 (rev e4)Ġ0:1c.3 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 4 (rev e4)Ġ0:1c.4 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 5 (rev e4)Ġ0:1d.0 USB controller: Intel Corporation Lynx Point-LP USB EHCI #1 (rev 04)Ġ0:1f.0 ISA bridge: Intel Corporation Lynx Point-LP LPC Controller (rev 04)Ġ0:1f.2 SATA controller: Intel Corporation Lynx Point-LP SATA Controller 1 (rev 04)Ġ0:1f.3 SMBus: Intel Corporation Lynx Point-LP SMBus Controller (rev 04)Ġ1:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. The Intel card works as expected, apart from the occasional tear when scrolling or moving a window around.

This laptop comes with two graphic cards, an Intel HD Graphics 4400 and an AMD R7 M260. Almost everything worked great out of the box. I recently bought a Dell Inspiron 5547 laptop and installed Ubuntu 14.04 on it.