Tagged Questions

1
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2answers
1k views

Ubuntu 11.10 and ATI/AMD Radeon 5650

I have a laptop with freshly installed Ubuntu 11.10 and ATI 4200/AMD Radeon 5650 hybrid graphics. The problem is that I can't switch between integrated and discrete video while using Catalyst driver ...
0
votes
1answer
3k views

AMD Switchable Graphics (HP Probook 4530s-specific) - any way to enable?

I'm proud owner of not-that-expensive, yet powerful laptop (HP Probook 4530s). Being a fan, and every-day user of Ubuntu I was unable a way to use discrete GPU from of my laptop (hd6490), the only way ...
1
vote
2answers
1k 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: ...
0
votes
1answer
1k 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 ...
1
vote
3answers
784 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 ...
0
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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 ...
2
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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 ...