Questions related to switching GPUs using vgaswitcheroo on hybrid graphics systems.

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1answer
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How to enable vga switcheroo on an Asus U41S?

I have Asus U41S notebook with 2 wideocards, Intel HD Graphics 3000 and GeForce GT540M. I want to turn off the GF videocard, and work only with Intel. On the internet I found out how to do this ...
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1answer
2k views

How can I enable switchable graphics in my Lenovo G770 laptop?

Previously I asked about the same problem in Ubuntu 11.04 with messed up drivers, but now I completely reinstalled system and updated it to latest 11.10. Last time, I tried using various drivers for ...
3
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1answer
4k views

How do I get the Radeon HD 6650M in my Lenovo G770 laptop working?

As stated in the topic, I have the following problem: there're two VGAs in my Lenovo G770 laptop with Ubuntu 11.04, namely Intel Mobile HD and AMD Radeon HD 6650M. And if integrated videocard is ...
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0answers
591 views

How can I choose which GPU to use from grub using vgaswitcheroo? [closed]

I have a notebook with switchable AMD/Intel Graphics. I use, successfully, vgaswitcheroo to choose the active GPU and disable the unused one by a script in rc.local. However, I would like to be able ...
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2answers
12k views

How to permanently switch off discrete graphic card?

I got a integrated GD, which is Intel, and another discrete GD, AMD Radeon 6490 HD I am using ubuntu 11.10 1st, when I boot into Windows, my GD is indeed AMD Radeon 6490 HD, but when I boot into ...
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3answers
6k views

vgaswitcheroo not selecting discrete card

I have a Dell 5110 laptop that has hybrid graphics. I have tried using vgaswitcheroo to some limited success, but I have still not been able to select my discrete ATI 6470 card. I use the following ...
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1answer
2k views

how to switch back to ATI card after using switcheroo?

I have been using switcheroo to turn off my ATI Radeon HD5650 using the switch: echo OFF > /sys/kernel/debug/vgaswitcheroo/switch This has worked perfectly. I've added it to /etc/rc.local. The ...
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3answers
1k views

How do I stop my fans from going crazy after resuming after suspending?

I'm kinda new to ubuntu, and I have an HP Envy 14-2020nr. The computer has hybrid graphics, and since Ubuntu doesn't yet handle them very well I've been using vga_switcheroo to disable the discrete ...
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0answers
480 views

System freezes when using vgaswitcheroo [closed]

I'm using hybrid graphics on my notebook. It has an integrated Intel and a discrete Radeon HD 6650M graphic card. When I want to switch to discrete card, the screen freezes and I can't do anything. ...
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1answer
2k views

I can not find /sys/kernel/debug/vgaswitcheroo/switch Ubuntu 11.10 [duplicate]

Possible Duplicate: I can not find /sys/kernel/debug/vgaswitcheroo/switch Linux segavax-UL80VT 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux where ...
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1answer
2k views

I have an Intel GPU and a AMD Mobility Radeon HD 5400 series GPU, multiple questions

They are the supposed to be Switchable, the Hybrid Graphics page seems to be a little dated (talking about 10.10 and kernel 2.6) I'm not sure the AMD MRHD is working, how can I tell which graphics ...
1
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2answers
7k views

/sys/kernel/debug/vgaswitcheroo missing

i wanted to install and use asus_switcheroo but unfortunately the vgaswitcheroo folder is missing. I already checked whether vgaswitcheroo is actually enabled and as i use the vanilla kernel it is (2....
2
votes
2answers
14k views

I can not find /sys/kernel/debug/vgaswitcheroo/switch

I have enable switcheroo in kernel config . Why is there not /sys/kernel/debug/vgaswitcheroo/switch ? Linux ubuntu-raid-w500 2.6.38-10-generic #46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011 x86_64 ...