X is not installed. I removed rhgb and quiet and replaced that with
nomodeset, now i can boot. I am just wondering why the rescue/diagnostic
mode did not help me in this case and turned black too. And i wonder
what i have to do to boot without nomodeset.
Am 16.05.2016 um 16:45 schrieb m.roth@xxxxxxxxx:
Earl A Ramirez wrote:
On 16 May 2016 12:13, "Oliver Zemann" <oliver.zemann@xxxxxxxxx> wrote:
Hi, i just installed CentOS 7.2 on my little "server" but i get a black
screen during boot. It is a Asrock Am1h-itx mainboard with an AMD 5350 CPU
(onboard graphic).
I created a raid 6 but i dont think thats the problem, as the boot
process goes pretty far. I would even say its going until X should start,
but it is a server install, so i guess there is no X.
Can someone tell me what could i do to get more information? Is there
some kind of nomodeset param available for the grub cmd line param which i
could try?
Yes you can use nomodeset, are you able to boot with the diagnostic kernel
which has minimum display requirement?
I'd also suggest several things:
1. If it's a server, why do you need X?
2. If you do, then I'd start out by having it come up in runlevel 3, *not* 5,
and then as root I'd run startx, and see what error messages there are.
Doing this gives you a much more controlled environment in which to
debug the X issues.
3. One final thought: what do you get when you do yum grouplist - what
X or Desktop groups are installed?
mark
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