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This question already has an answer here:

I have an Integrated Intel graphics and AMD Radeon R5 M230 graphics card. and I want to switch to AMD whenever I want to.

I ran the lspci command for you to see.

00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
02:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)
03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun LE [Radeon HD 8550M / R5 M230]

Additional drivers tab

marked as duplicate by TheWanderer, Byte Commander, edwinksl, Eric Carvalho, Kaz Wolfe Sep 26 '16 at 0:39

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • If you want to switch between graphics cards and see the same windows displayed I don't know how to do that. However, if you don't mind having two instances of X running, each having a separate set of windows (like having 2 workspaces) that should be feasible and you could switch between them with Ctl-Alt-Fn keystrokes. See [superuser.com/questions/117239/… for a good place to start. You will need 2 xorg.conf files and to start 2 instances of X, each using its own file. Of course, there may be a smarter solution... – Jeffrey Ross Sep 13 '16 at 19:47
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I just happened to have this screen snapshot handy from a question I posted a couple hours ago:

enter image description here

From your launcher select System Settings then Software & Updates and then pick Additional Drivers tab.

On my screen the manufacturer shows as "NVIDIA" but on yours it will show "AMD". If you have multiple choices and don't know which to pick you can print your screen and Edit your question to show that image.

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