black-grey screen and how to add kernel nomodeset in F20?

[Ahmad Samir]

On 16 March 2014 16:41, Ranjan Maitra <maitra.mbox.ignored at inbox.com> wrote:
>
> Hi Samir,
>
> Thanks!
>
> > Searching online, it looks like this laptop has two graphics chips an
> > nvidia and an intel, right?
>
> I had not been aware that there was a choice. So I looked up the
> invoice and found:
>
> Monitor:
>
> MOD,LCD,13.3FHD,FML,LED,L322X (320-9392)
>
> Video Card:
>
> Intel HD 4000 (320-3810)
>
> Video Memory:
>
> Dell SRV Software for Intel Centrino Adv-N 6235 (421-8555)
>
> Which is good, since I have had good experience with the Intels. Here
> is the output to lspci
>
> $ lspci
> 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM
> Controller (rev 09) 00:02.0 VGA compatible controller: Intel
> Corporation 3rd Gen Core processor Graphics Controller (rev 09) 00:14.0
> USB controller: Intel Corporation 7 Series/C210 Series Chipset Family
> USB xHCI Host Controller (rev 04) 00:16.0 Communication controller:
> Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1
> (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series
> Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio
> device: Intel Corporation 7 Series/C210 Series Chipset Family High
> Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel
> Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1
> (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series
> Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA
> bridge: Intel Corporation QS77 Express Chipset LPC Controller (rev 04)
> 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family
> 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel
> Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev
> 04) 01:00.0 Network controller: Intel Corporation Centrino Advanced-N
> 6235 (rev 24)
>

>From this output there's no nvidia chip on that laptop; could be that
some models have the dual gfx chips and some don't I guess...

>
> > Which one of them are you using?
>
> I guess I am using the Intel.
>
> if there's an option in the BIOS you might
> > want to try disabling the nvidia chip.
>
> The BIOS for this machine has the fewest of options that I can recall
> of any machine.
>
>
> >
> > Note that if you're using the intel graphics card, booting with nomodeset
> > means the system will have to use the vesa driver, which is very basic. The
> > intel driver requires kernel mode setting to work IIUC.
>
> Maybe this is it. I have set it back to kernel modesetting and will see
> what happens. It has not had the problem yet, but it is hard to tell --
> so far no issues, but these are early days and without a rigorous check
> on the gray-black screen yet.

Good luck.

>
> Thanks again for all the help!!
> Ranjan
>
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-- 
Ahmad Samir