I found the fix/solution; i tryed delete unknown screen(CRT-0) from
nvidia-settings but its shows "Failed to generate X config file!" and i checked
/etc/x11, xorg.conf was missing
So, i copied my 17.10 xorg.conf to 18.04 now its working i can see gdm greeter
Also, this line caught my attention(xorg.conf line:30)
Option "IgnoreDisplayDevices" "CRT"
~$ nvidia-settings
(nvidia-settings:18214): dbind-WARNING **: 23:26:48.227: Couldn't
register with accessibility bus: Did not receive a reply. Possible
causes include: the remote application did not send a reply, the message
bus security policy blocked the reply, the reply timeout expired, or the
network connection was broken.
** (nvidia-settings:18214): WARNING **: 23:26:48.468: PRIME: Failed to execute
child process “/usr/bin/prime-supported” (No such file or directory)
** Message: 23:26:48.468: PRIME: is it supported? no
WARNING: Unable to parse X.Org version string.
Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-server.pc'
to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found
ERROR: Unable to find a display device for screen 0!
ERROR: Failed to add X screen 0 to X config.
ERROR: Failed to add X screens to X config.
** Summary changed:
- nvidia detects 2 screen but there is no 2 screen
+ [xorg.conf missing]nvidia detects 2 screen but there is no 2 screen
** Also affects: xorg (Ubuntu)
Importance: Undecided
Status: New
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1762200
Title:
[xorg.conf missing]nvidia detects 2 screen but there is no 2 screen
Status in nvidia-graphics-drivers-340 package in Ubuntu:
New
Status in nvidia-graphics-drivers-390 package in Ubuntu:
New
Status in xorg package in Ubuntu:
New
Bug description:
System: Ubuntu 18.04 (08.04.2018 updated)
PC: Dell inspiron n5110 laptop
CPU: intel i7 2630QM
GPU: nvidia gt 525m
i installed latest nvidia driver, but driver detects 2 screen. bad thing is
gdm, i can't see gdm dialogs only purple background. dialogs in
primary(unknown) screen
pls check screenshot
U1804PC:~$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family
DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core
Processor Family PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series
Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family
High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 2 (rev b5)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 4 (rev b5)
00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 5 (rev b5)
00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 8 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM67 Express Chipset Family LPC
Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset
Family 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus
Controller (rev 05)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT
525M] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GF108 High Definition Audio
Controller (rev a1)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI
Express Fast/Gigabit Ethernet controller (rev 05)
09:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030
[Rainbow Peak] (rev 34)
0b:00.0 USB controller: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI
Host Controller (rev 02)
U1804PC:~$
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