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

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1answer
3k views

HybridGraphics vga_switcheroo switch to intel at boot

How can I do that? I have followed this https://help.ubuntu.com/community/HybridGraphics but it didn't work I'm getting the error at boot that the /sys/kernel/debug/vgaswitcheroo/switch don't exist ...
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0answers
16 views

How to reinitialize processor for /sys and disable integrated graphics

I have upgraded my laptop from Intel Pentium P6100 to Core i5-460M. i5 supports Turbo Boost. To switch this I need to do: echo 0 or 1 > /sys/devices/system/cpu/cpufreq/boost But my System ...
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0answers
16 views

vgaswitcheroo in Xubuntu 14.04

I have a hybrid graphics system and I’ve been trying to make my discrete ati graphics card to work but I was never able to. I've tried installing fglrx but noticed that there is a bug in my case so I ...
4
votes
2answers
2k views

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 ...
0
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1answer
3k views

vgaswitcheroo isn't working in Ubuntu 12.04

I always used vgaswitcheroo to turn off my discrete graphic, I did a script to turn off in boot, but now, vgaswitcheroo isn't working anymore, I don't know why... look ...
1
vote
1answer
2k views

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 ...
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0answers
164 views

Can't switch to Discrete GPU Hybrid Graphics ATI/intel

Just recently I had got my hybrid graphics working with DRI_PRIME=1. I obviously have the open source drivers. Now for some reason that I can't figure out it has stopped working. xrandr ...
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0answers
92 views

UVD not responding; ATI/Intel Hybrid after upgrade to 13.04 and turning off ATI

First of all I am totally new to Ubuntu and Linux so I am still trying to learn commands and basics. My laptop is an Acer 4820TG with a hybrid Intel onboard and a ATI radeon mobility HD5650. ...
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0answers
87 views

Where can I find vgaswitcheroo

I know its dupe and may seem dumb but Im a bit noob with linux. Basically my problem is that I can not locate the /sys/kernel/debug/vgaswitcheroo/switch folder. (And therefore can't use my HDMI ...
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0answers
32 views

radeon vga-switcheroo [duplicate]

I read quite a bit about vga-switcheroo and wanted to activate it on my system: HP dv7-4263cl / ubuntu 14.04 / radeon 6370/4225 But from what I've read and tried, it seems that these features are ...
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0answers
596 views

VGA switcheroo doesn't work on 14.04 intel/ati acer 5820TG

Before I updated from 13.10 to 14.04, vga switcheroo worked fine, using the free radeon-driver. Now vga switcheroo doesn't work anymore/doesn't take effect: cat /sys/kernel/debug/vgaswitcheroo/switch ...
3
votes
1answer
3k 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 ...
3
votes
3answers
4k 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 ...
0
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0answers
157 views

How to choose the VGA when setting up the X Server?

I have 2 options of VGA: lspci | grep VGA 00:02.0 VGA compatible controller: Cirrus Logic GD 5446 00:03.0 VGA compatible controller: NVIDIA Corporation GK104GL [GRID K520] (rev a1) It's an instance ...
0
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2answers
2k views

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: ...
0
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1answer
524 views

Disabling discrete NVIDIA card on ASUS r501vb on 13.10 Saucy, vgaswitharoo or bumblebee?

I have a Asus r501vb-s3116d with Intel® HD Graphics 4000 and Nvidia GT 740M (GK107 - 128bit) I am trying to disable the Nvidia card In Ubuntu 13.10 Saucy and no, I do not have a option to turn off ...
0
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0answers
69 views

vgaswitcheroo on desktop

I'm using a desktop setup with Ivy Bridge motherboard, monitor connected with Thunderbolt and switching to discrete GPU with the commercial product LucidLogix Virtu on windows. Are there any ...
0
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0answers
108 views

hybrid_boot_options intramfs script errors (hybrid graphics)

I have a laptop with hybrid graphics and I want to use just the integrated VGA to reduce heating and power consumption. I followed the instructions here to do that, however, although the laptop is ...
0
votes
1answer
564 views

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 ...
1
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0answers
111 views

X freezes, when switching from console → vgaswitcheroo? [closed]

I've got a Dell Vostro 3550 with an integrated Intel and a discrete Radeon HD 6650M graphic card. I disabled the discrete: 9:05% echo OFF | sudo tee /sys/kernel/debug/vgaswitcheroo/switch; sudo cat ...
3
votes
2answers
2k views

vgaswitcheroo not available on cold boot, only after restart

I am running the new Ubuntu 12.04 64-bit release on my MSI CX420 laptop. It has 2 GPUs, an ATI and an Intel integrated one. So my problem is that, whenever I start my laptop for the first time, ...
2
votes
1answer
2k views

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 ...
0
votes
1answer
165 views

Switcheroo gone after last update

since the last kernel update for Ubuntu 13.04, the folder /sys/kernel/debug/vgaswitcheroo/switch is gone on my Laptop, an Acer Aspire 3820TG. Checking the output of grep -i /boot/config-* tells me ...
2
votes
1answer
1k views

lspci not detecting my graphic card

I recently purchased a Lenovo g505s, the specifications of which can be found here. After setting up Ubuntu 13.04 I tried to install the ATI proprietary drivers. But only my integrated graphics are ...
4
votes
1answer
1k views

AMD/AMD GPU Switching

I have two GPU's in my laptop, both of which are AMD. Whenever I use the Catalyst Control Centre to change the GPU, nothing changes after reboot. In fact, when I do the fglrxinfo command the ...
3
votes
1answer
712 views

How to disable the discrete gpu? I get 'Kernel failure' with the normal method

I have notebook hp dm3-2015er with two graphic cards. $ lspci | grep VGA 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS880M [Mobility Radeon HD 4225/4250] 02:00.0 VGA ...
0
votes
2answers
1k views

Can't access vgaswitcheroo file, access denied?

Hi I'm trying to change my integrated graphics card to my discrete graphics card (Nvidia GeForce 540m) and when I use the vgaswitcheroo method, I can't access the file doing this: $ls -l ...
0
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0answers
131 views

Two radeons switcheroo just doesn't work

I've trying to get this to work for a couple weeks now. Most of what I've found involves one Intel and one Radeon. My laptop has two radeons and both are powered on at boot for some reason causing ...
0
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0answers
238 views

Why isn't vgaswitcheroo working with nVidia 710m and Intel graphics card?

I want to enable vgaswitcheroo but i cant find the file: Google didnt help me thus far so i hope someone here can answer my question?:) ~$ sudo ls -l /sys/kernel/debug/vgaswitcheroo/switch ls: cannot ...
0
votes
0answers
354 views

Ubuntu 13.04 using vgaswitcheroo breaks monitor configuration

I've successfully disabled my ATI card using vgaswitcheroo but when I go to display settings I can see 2 monitors - one of them called "Unknown". I have only one display. When I turn ON the discrete ...
1
vote
3answers
719 views

vgaswitcheroo on macbook 8,2: blank screen while switching from DIS to IGD

I followed this how-to to get vgaswitcheroo working on my macbook 8,2: How to switch between Gfx cards on Macbook Pro 15" 8.2 I can boot directly from refind (bypassing grub); and I get X ...
1
vote
1answer
4k views

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
2answers
611 views

switcheroo to discrete turns off backlight on laptop screen

AMD cedar/ Intel ironlake hybrid graphics. Custom kernel 3.8.3. Free radeon xorg drivers. When I switch from integrated to discrete, I do a killall lightdm and X doesn't automatically respawn like it ...
0
votes
2answers
635 views

How to configure UEFI booting on a Macbook 8,2

I googled a while on this so let me give you the details, then the questions I have a Macbook 8,2 15" with Kubuntu Quantal installed from the MAC+AMD64 Desktop CD image. I removed every MacOS ...
1
vote
0answers
171 views

Command on Hibernate 13.04

Now I am currently fiddling with switcheroo on my laptop and am slowly figuring it out. Though I seem to be hitting a hiccup when it comes to hibernation. Upon hibernating and waking the laptop back ...
1
vote
0answers
1k views

Use vga switcheroo on MacBook Pro 8,2?

I have used the instructions provided by tomodachi here to get EFI kernel stub booting working properly. The Radeon card is now properly initialized and lspci is showing both graphics cards, which is ...
2
votes
4answers
10k views

Hybrid Graphics on Ubuntu 12.04 switching to discrete

I have a Sony Vaio VPCCB-27FX with hybrid graphics. Using vgaswitcheroo enables me to switch my discrete card off to save power. Now when i want to switch to the discrete card for performance, my ...
3
votes
1answer
2k views

How can I disable one Graphics card/GPU on my system? (Interchangeable graphics involved)

The problem I have is this: I have a DELL laptop with 2 GPUs, an Intel integrated and high performance of AMD Radeon HD a 6470m, but Ubuntu does not detect it. However, the two are active at the same ...
3
votes
0answers
957 views

Thinkpad T530 with Optimus and Docking Station

I have a Lenovo Thinkpad T530 with Optimus video, which is not supported on 12.04.1. I don't normally need the discrete (nVidia) graphics, so I turn it off in the BIOS settings to achieve longer ...
0
votes
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 ...
2
votes
0answers
3k views

hdmi audio works only with aplay -D alsa test wavs; open source radeon drivers; kernel 3.5 vgaswitcheroo

I've trolled the internets to make hdmi work on my system Ubuntu 12.04. software center kernel 3.5 uname: Linux ubuntu 3.5.0-18-generic #29~precise1-Ubuntu SMP...x86_64 x86_64 x86_64 ...
2
votes
2answers
2k views

'echo DIS > /sys/kernel/debug/vgaswitcheroo/switch' does not work

I can not use echo DIS > /sys/kernel/debug/vgaswitcheroo/switch to switch to discrete ATI card. After I run the command, cat /sys/kernel/debug/vgaswitcheroo/switch still gives: ...
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vote
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 ...
2
votes
0answers
530 views

vgaswitcheroo + ATI radeon driver

I want both vgaswitcheroo and ati driver on same machine. vgaswitcheroo is good at powersaving while I also want powerful processing too. Most of the time I switch between powersave and performance ...
2
votes
0answers
568 views

Radeon HD + vgaswitcheroo

I have a Hp Envy4 1025tx machine. I've tried vgaswitcheroo and amdcccle. I'm happy with Vgaswitcheroo powersaving efficiency and amdcccle's performance. I want both of them on my system. Is there a ...
1
vote
1answer
2k views

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
1answer
324 views

About output of vga_switcher

When IGD and DIS both exist in my pc,and I want to disable DIS,so I create a service to switch on and off the DIS.It works.Finally,I decide to add the service command into /etc/rc.local so that DIS ...
2
votes
0answers
479 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 ...
5
votes
2answers
8k 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 ...
3
votes
1answer
706 views

Help needed in understanding this command?

echo OFF | sudo tee /sys/kernel/debug/vgaswitcheroo/switch In one of the questions in this forum, someone had posted this command to switch off graphics card to save power consumption and this ...