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I typed lspci -nn in the Terminal. And this is what it says :

00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port [8086:0151] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
00:1c.3 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 [8086:1e16] (rev c4)
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM76 Express Chipset LPC Controller [8086:1e59] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
01:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Mars [Radeon HD 8670A/8750M] [1002:6600]
02:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6235 [8086:088e] (rev 24)
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)

As you can see, VGA controller is Intel's but Display controller is AMD/ATI's,

and I have 'RADEON GRAPHICS - AMD' sticker on my laptop.

However, This document says like I should only check VGA compatible controller, not Display controller.

Another problem is that my 3d acceleration is not working.

When I type fglrxinfo or /usr/lib/nux/unity_support_test -p, it says

X Error of failed request:  BadRequest (invalid request code or no such operation)
  Major opcode of failed request:  136 (GLX)
  Minor opcode of failed request:  19 (X_GLXQueryServerString)
  Serial number of failed request:  22
  Current serial number in output stream:  22

This also occurs when I try to play 3D games, of course.

However, as you can see, my graphic card is one of Radeon HD 8xxx series (a.k.a. OLAND).

I think that's why the Ubuntu drivers didn't work.

Is there any unofficial drivers to make my 3D acceleration work?

share|improve this question
    
The Intel VGA adapter is the GPU part of your processor. Usually you should be fine with the AMD drivers. Did you already try to run "sudo aticonfig --inital" to get an automatically configured xorg.conf yet? Be warned, this might break your xorg.conf settings, so if you have an xorg.conf, make a backup, and have a live cd ready to copy it back, just in case. –  soulsource Jul 15 '13 at 12:06
    
@soulsource What is the difference between 'VGA compatible controller' and 'Display controller'? I'm sure ATI Radeon is my graphic card. This is a laptop. –  jinoh67 Jul 15 '13 at 12:07
    
I honestly don't know, but would guess that they mean the same. –  soulsource Jul 15 '13 at 12:09
    
@soulsource I wonder why their values are different? –  jinoh67 Jul 15 '13 at 12:10
    
I'm not sure if I understand you correctly. Both are listed, because, both are connected to the PCI(E) bus, and of course they have different PCI addresses. Why one is labeled VGA- and the other display-controller I can't say. When I get home in 2 hours, I'll check on my PC, which has two AMD graphics cards (onboard and discrete) how they are labeled. –  soulsource Jul 15 '13 at 13:37
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marked as duplicate by gertvdijk, jokerdino Jul 19 '13 at 15:13

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.

1 Answer

Try to use those two Open Source drivers:

Attention!! → If you already installed the official ATI driver so you need to remove all it's files, look at this documentation:

share|improve this answer
    
It's strange.. amdconfig says no supported adapters but my computer has a label named "RADEON GRAPHICS - AMD"... and Display controller is AMD/ATI's. Is my system broken, or it is Ubuntu's bug? On my VirtualBox on Windows 8, the Ubuntu didn't work correctly before I installed fglrx... I am so confused. –  jinoh67 Jul 16 '13 at 13:13
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