I have a Lenovo Z51-70 laptop which has an AMD Radeon R9 M375 graphics card (4GB) onboard along with an Intel graphics card (3GB).

I tried installing the RHEL7 as dual boot operating system along with Windows 10. However since the AMD graphics card driver for Linux was not available, I installed it in CLI mode.

Now I have got the driver (developed later) for RHEL7 and have installed it in linux, according to the instruction in installation document provided by AMD.

But still the system can't start in graphical mode, as it gets stuck at "Started GNOME Display Manager" step.

I can see that the related module is loaded on system.

[root@localhost ~]# lsmod | grep -i fglrx
fglrx 15517027 0
amd_iommu_v2 19054 1 fglrx
[root@localhost ~]#

I have attached the X11 log files, /var/log/messages, dmesg and X11 conf file along here. (Pls bear with me as the log files are not properly formatted due to some diff b/w linux and Win formatting).

I would really appreciate the help provided by you.

Attached Files

	boot.log (10.4 KB, 11 views)
	dmesg.txt (60.7 KB, 10 views)
	messages.txt (138.0 KB, 14 views)
	Xorg.0.log (7.4 KB, 18 views)
	xorg_conf.txt (684 Bytes, 12 views)

Read the LQ Rules about text-speak, and about not using it. Also, is this the same laptop from before:
http://www.linuxquestions.org/questi...er-4175550720/

...where you said it was RHEL 6? Where you were advise to NOT load RHEL on a laptop??? RHEL is for SERVERS, not laptops...as said in your other thread, it *CAN* run on a laptop, but it may need quite a bit of work. Servers don't have sound, wifi, bluetooth, or even MONITORS these days...since you're using RHEL, what is your NEED for it??? And are you PAYING for RHEL?? If so, then feel free to contact Red Hat support.

If you're NOT paying for it, then stop where you are, and do a fresh installation of CentOS instead. It's identical, but FREE, and will most probably provide you with some updates/patches you need (and WILL NOT GET unless you pay for RHEL), and may make your system function. If all you're doing is using Linux, there is absolutely no reason to use RHEL on a laptop...Fedora, Mint, openSUSE, and Ubuntu are all good choices, and will probably work MUCH better on your laptop.

Agree with the previous advice, but I'd like to add that the seg fault seen in the xorg.log is pretty typical with ANY problem involving the AMD proprietary driver and a kernel and X ABI not explicitly supported by it. When you install your next version of CentOS or whatever check the help on the AMD site to make sure your kernel version and X version are supported. You might try the non proprietary driver first to make sure everything else is working before installing fglrx.

Yep...and THAT is why you shouldn't use RHEL unless you pay for it. You won't get those updates/patches to the kernel that would let things like this work correctly.

Thanks everyone for your valuable suggestions... However I have had RHEL6 installed on my old laptop and it worked absolutely fine with everything (graphics, keyboard, mouse, touch pad, sound, etc.) working.

I want to install RHEL7 on my laptop because I am a Linux professional working primarily on Red Hat. And I am installing it for my learning purpose (Clustering, Virtualization, etc.). So that I can create a virtualized environment and setup my labs.

I would really appreciated if you could suggest me what could be the reason behind a graphical display not working in Linux and how to troubleshoot it.

...and that changes ABSOLUTELY NOTHING about RHEL not being free. You were told to pay for it, or load centos. You were told to apply a kernel patch. You didn't, and can't, unless you pay for RHEL. It does not matter if you're using it for 'learning purposes'. And again, you DO NOT need RHEL to learn anything you mentioned.... Fedora does all of that.

Since you claim to be a 'Linux professional', you should already know these things, as well as how to fix your system.

why not just use centos instead?

Yep...been suggested to the OP previously.

I have the same laptop (Lenovo Z51-70 laptop) and I also experiecing these problems.