Installing Ubuntu 14.04.3on multi hard drive system

Jim Byrnes jf_byrnes at comcast.net
Sat Sep 26 23:58:15 UTC 2015


On 09/25/2015 08:07 AM, Liam Proven wrote:
> On 23 September 2015 at 17:47, Jim Byrnes <jf_byrnes at comcast.net> wrote:
>> I have an on board GeForce 9100.
>
> On what model of motherboard?
>
> I found, upgrading from about 12.04 to 12.10, that 1 of my 2 monitors
> (matched 21" Dell Trinitron CRTs) stopped working. I spent some time
> troubleshooting this to discover that it was not a software issue; it
> was because of the monitor cable.
>
> 12.04 would let me set the monitor resolution and refresh rate in the
> nVidia settings app. 12.10 auto-detected them. One monitor was on a
> VGA-to-VGA cable; this worked fine. The other monitor was on a VGA-BNC
> cable, which meant the card could not read the monitor's EDID
> information. This limited it to about 800*600 at 60Hz.
>
> I had to replace my monitor cable.
>
> If you are using 1 digital port + 1 analog port, then this might cause
> a problem. If you have 2 digital ports, use them. Even if it means
> getting a new cable.
>
> I had to do this myself, this year, when I replaced an old Benq LCD on
> my Mac mini, which was using an HDMI-to-DVI cable, with a new Samsung
> that only had HDMI. I had to buy a new HDMI-to-HDMI cable. :-(
>
> It cost me about £3 (US$ 5). :-)
>

Turns out all I had to do was copy my xorg.conf from 12.04 to the 14.04 
install and my monitors now work as expected.

Regards,  Jim




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