On Mon, Oct 22, 2012 at 9:46 AM, Tim <ignored_mail...@yahoo.com.au> wrote:
> On Mon, 2012-10-22 at 00:02 +0200, Alain Roger wrote: > > i've just downloaded F17 and i tried to install it on my computer x86 > > having a nVidia 8800 GT video card. after seeing only the logo at boot > > process, now everything i can see is a black screen :( and the Led of > > my monitor is blinking so it means no video signal. is there any > > compatibility issue with f17 and nvidia 8800 ? thank > > Sounds awfully like what I've had to deal with: GRUB running at the > highest resolution that the graphics card could generate, regardless of > whether the scan/refresh rates were compatible with my monitor (which it > wasn't). > > I don't know how you can fix that if you can't, at some stage, get to > see a display. I was lucky enough that once GRUB had finally booted up > an OS, the OS did run at a suitable rate, and I could edit the > configuration to change GRUB's resolution. > > In the /etc/default/grub file, I added this line: > > GRUB_GFXMODE=800x600 > > Then ran the "grub2-mkconfig" command to regenerate the config file used > at boot time. > > If it's X, itself, running at the wrong resolution, after GRUB has > handed over, and if Xorg hadn't been crippled, years ago, you could have > pressed CTRL ALT + or - to change resolutions on the fly, until > something worked. > > -- > [tim@localhost ~]$ uname -rsvp > Linux 3.6.2-4.fc17.x86_64 #1 SMP Wed Oct 17 02:43:21 UTC 2012 x86_64 > > All mail to my mailbox is automatically deleted, there is no point > trying to privately email me, I will only read messages posted to the > public lists. > > Hi Tim, in fact this problem occurs with Fedora 17, Ubuntu 12.x but not with Mandriva 2011...strange isn't it ? so today i can install F17 as i wanted on this computer and i must stay with this horrible Win7... previously it was possible to boot on Fedora, ubuntu and later on change screen resolution, but now it is automatically detected and X use it :( A.
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