GUI showing only cursor on black screen

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Hello, I'm fairly new to the Linux scene and having an issue where after trying to install Teamviewer on RHEL7 Workstation, I'm now left with a mouse cursor on a black background and no login method (via GUI). I can log in fine and SSH into it normally using command line, but I need to access it via GUI. The reason I tried installing Teamviewer was because I wasn't having much luck with any VNC product.
I've since removed Teamviewer but the issue remains. Any help is appreciated.

Responses

I've tried the instructions on both links without any difference. Vnc is working, but I get a similar black screen only. I'm wondering if the Teamviewer just messed up the video driver; is there a way to reinstall/update the video driver if there's no driver available from the vendor (Dell)?

Stephanie, any luck? I've been bit by the same problem. I do not recall making any changes prior to this happening.

I've run a Yum Update, but this did not fix

Sadashiva, Thank you. I was able to solve the problem on my own, but the link you provided looked very helpful, and I suspect would also have solved.

My own solution was to do a "yum update". It had escaped my notice that previous yum updates had failed to complete, but after resolving cache issues and doing a full update, GDM started working again.

Thank you, Daniel.

Cheers Daniel. Good that you solved the problem. I hope that it would help Stephanie as well.

Guys ,

I need your help on this ...I have recently installed RHEL 7 & tried configuring VNC Server & client .While accessing the host using root user i ma only getting blank screen .Could you please share some fixes for this

Hi Im using rhel 7.3 and on the console I'm not seeing anything it's looks like blank screen even I installed the mention software but didn't work, please need expert advise.

yum groupinstall basic-desktop desktop-platform x11 internet-browser graphical-admin-tools fonts systemctl set-default graphical.target systemctl start graphical.target systemctl status graphical.target

What version of tigervnc are you running?

for other users, the file is in

/home/$USERNAME/.vnc/xstartup

In my case I was editing the user's xstartup file and getting a blank screen in vnc when logged in as root. It is the file

/root/.vnc/xstartup

that needs to be edited.And to be precise, you just need to uncomment the two lines in that file :

   unset SESSION_MANAGER
   exec /etc/X11/xinint/xinitrc

add the line

x-window-manager &

After un-commenting, run the vncserver as root

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