On Mon, Jan 06, 2020 at 02:11:52PM -0500, Greg Wooledge wrote:
Based on this, it sounds like the X server is starting and then dying quickly. The next step would be to find its log file -- either ~/.local/share/xorg/Xorg.0.log or /var/log/Xorg.0.log depending on stuff.
(EE) open /dev/dri/card 0: No such file or directory (WW) Falling back to old probe method for modesetting ... (EE) Unable to find a valid framebuffer device ... (EE) Screen 0 deleted because of no matching config section. ... (EE) Fatal server error: (EE) Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices
It might also be helpful to show the output of "lspci -nn"
VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7540D] [1002:9991]
output of "dmesg | grep -i firmware"
... [drm: radeon_pci_probe [radeon]] *ERROR* radeon kernel modesetting for R600 or later requires firmware installed ...