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On 12/08/13 15:44, Tony Sumner wrote: > On Aug 11, 2013, bad apple wrote: >> On 11/08/13 09:20, Tony Sumner wrote: >>> NO_PUBKEY 85A3D26506C4AE2A >> Ok, you should be able to fix your key issue with: >> >> gpg --keyserver keys.gnupg.net --recv-key 06C4AE2A >> gpg -a --export 06C4AE2A | sudo apt-key add - >> >> This will import your missing key. Re-run apt-get update && apt-get >> dist-upgrade, watching for missing key warnings again. > Thanks for the long and informative article. I had installed Wheezy from a > CD onto a spare HD and the reason why I couldn't change the resolution > was that 'System Settings' is missing. You are supposed to click on this > and select 'Display' but there is nothing there. This came into focus > when I decided to try the dist-upgrade route on my wife's PC (which is > just as important but less critical). So today I upgraded it from Squeeze > to Wheezy and it all appeared to go smoothly and iceweasel works ok with > no problem (Mozilla have dropped the key for Squeeze only). The > only thing wrong is that I can't change the resolution; 'System Settings' > is not there. This seems to be a feature of Wheezy so as far as my own > PC is concerned I am staying squeezed until Debian gets it sorted. > > I take it you are using Gnome3 as your desktop environment? When you say "missing", do you mean that the display icon isn't in the system settings, or that it is present but clicking on it does nothing? Clarify please. What is the output of "xrandr"? If you see the correct resolution listed in the output of xrandr, you can apply it from within the terminal with the -s switch, like so: xrandr -s 1920x1080 "I am staying squeezed until Debian gets it sorted" - now that made me laugh, a nice turn of phrase. However, I hate to be the one to break it to you, but the problem is *not* at their end and it's not going to get magically fixed because it's almost definitely not broken in the first place. You're going to have to roll your sleeves up, do a little bit of dirty work and examine your configuration yourself. You may just need to define a basic xorg.conf with your modelines properly defined in the case of a monitor that hasn't been optimally detected and configured, for example. What gfx card and driver combo are you using? Well, keep the questions coming and I'm sure you'll be fully sorted before long. Regards -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq