1
vote
0answers
203 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 ...
1
vote
0answers
113 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. ...
1
vote
0answers
671 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 ...
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 ...
4
votes
2answers
3k 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
votes
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
votes
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 ...
3
votes
1answer
717 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 ...
2
votes
0answers
531 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 ...
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
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 ...
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 ...
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 ...
2
votes
1answer
1k 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 ...
2
votes
0answers
453 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. ...