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Re: Debian 7 and external monitors and graphics adaptors

On 14/04/2015, Bret Busby <bret.busby@gmail.com> wrote:


> In the Debian 7 installation on the Acer V3-772G, for
> System -> Settings -> Details -> Overview, it has
> "
> Processor: Intel Core i&-4702MQ CPU @ 2.20GHz x 8
> Graphics: Gallium 0.4 on llvmpipe (LLVM 0x209)
> "
> and, for
> System -> Settings -> Details -> Graphics, it has
> "
> Driver: Gallium 0.4 on llvmpipe (LLVM 0x209)
> Experience: Fallback
> "

I note that, having just installed (and presently updating) Ubuntu
14.04LTS, on the Acer E5-521-238Q, the same graphics drive shows as
being used, as for Debian 7 on the Acer V3772G;

from System Settings -> Hardware -> Overview, I have

Processor: AMD E2-6110 APU with AMD Radeon R2 Graphics x4
Graphics: Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits)

and the external monitor does not work with either Debian 7 or Ubuntu 14.04LTS.

So, whilst the Ubuntu web site shows the CPU to be certified as
compatible  - at

it appears to me, that both Debian 7 and Ubuntu 14.04 LTS, do not
really have an adequate driver for that CPU ("Processor: AMD E2-6110
APU with AMD Radeon R2 Graphics x4), as they both can not drive an
external monitor through it.

Bret Busby
West Australia

"So once you do know what the question actually is,
 you'll know what the answer means."
- Deep Thought,
 Chapter 28 of Book 1 of
 "The Hitchhiker's Guide to the Galaxy:
 A Trilogy In Four Parts",
 written by Douglas Adams,
 published by Pan Books, 1992


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