Questions tagged [vgaswitcheroo]
Questions related to switching GPUs using vgaswitcheroo on hybrid graphics systems.
13
questions
7
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3
answers
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How can I disable ATI discrete graphic GPU at startup in Ubuntu 14.04 without BIOS?
I could disable ATI discrete graphics in Ubuntu 13.10 with this command:
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
But in Ubuntu 14.04 it does not work. cat /sys/kernel/debug/...
6
votes
2
answers
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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 ...
3
votes
1
answer
8k
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How to switch between Gfx cards on Macbook Pro 15" 8.2
I have a Macbook 15" Pro 8.2
Which apparently is supposed to be switchable between the GFX cards with vgaswitcheroo.
But /sys/kernel/debug/ contains no switcheroo folder.
syslog gives me this.
[ ...
2
votes
3
answers
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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 ...
4
votes
3
answers
9k
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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 ...
6
votes
3
answers
15k
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Discrete graphics always DynOff
I'm using the default open source driver and when I run
# cat /sys/kernel/debug/vgaswitcheroo/switch
I always have my discrete AMD adapter as DynOff. I tried
echo ON > /sys/kernel/debug/...
5
votes
2
answers
4k
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Ubuntu 15.04 freezes for a second every 6-10 seconds, PCI/Radeon related messages in kern.log
Tonight I made a fresh install of Xubuntu 15.04 on my laptop, an Acer Aspire TimelineX 4820TG. I was running 14.04 LTS before, and all was fine. I didn't have lot of stuffs to save, so I went for a ...
4
votes
3
answers
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vgaswitcheroo doesn't work on 14.04 - discrete Radeon always on, Dell Vostro 3350
I've a following problem - I've just upgraded from 13.10 to 14.04 on my Dell Vostro 3350 and I can't turn off the discrete graphics. As instructed here and following HybridGraphics I managed to ...
3
votes
2
answers
8k
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No vga/vgaswitcheroo in /sys/kernel/debug (Ubuntu 13.10)
I am aware of some of the other threads on this problem, but I have tried the options found in those without success:
sudo su
cat /sys/kernel/debug/vgaswitcheroo/switch
gives
cat: /sys/kernel/debug/...
3
votes
1
answer
5k
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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 ...
2
votes
1
answer
2k
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vga_switcheroo and Intel HD 3000 on Ubuntu 12.04
I'm trying to get vga_switcheroo to enable my integrated Intel HD 3000 instead of my ATI card. My problem is that there is no vgaswitcheroo directory in /sys/kernel/debug/ on my system.
> grep -i ...
1
vote
1
answer
4k
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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 ...
0
votes
1
answer
640
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Ubuntu 13.10 64bit does not detect intel graphic card!
I have installed ubuntu 13.10 64bit on my laptop. The problem I have is high gpu temperature and I want to switch to my Intel graphic card but my system just detects Nvidia card.
Here is my CPU link ...