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by roblm
Mon Nov 19, 2018 10:33 am
Forum: Graphics Cards & Monitors
Topic: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz
Replies: 15
Views: 237

Re: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz

Use this command in tty1 to create a new xorg.conf file: sudo touch /etc/X11/xorg.conf Open the file: sudo nano -t /etc/X11/xorg.conf Add these lines: Section "Device" Identifier "Device0" Driver "amdgpu" BusId "PCI:38:0:0" EndSection Press Ctrl+X to save and exit. Type reboot . If there is no chang...
by roblm
Sun Nov 18, 2018 12:33 pm
Forum: Graphics Cards & Monitors
Topic: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz
Replies: 15
Views: 237

Re: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz

Use this command to remove the incorrectly configured xorg.conf file and reboot:
sudo rm /etc/X11/xorg.conf; reboot
by roblm
Sat Nov 17, 2018 8:04 am
Forum: Graphics Cards & Monitors
Topic: After nvidia driver installation from driver manager , resolution went down to 960*540
Replies: 1
Views: 44

Re: After nvidia driver installation from driver manager , resolution went down to 960*540

Remove the Nvidia driver. Driver Manager should show the nouveau driver is enabled. If not, then use this command in the Terminal: apt autoremove

Then post the output of these commands: inxi -SMCGx and xrandr --prop

What is the brand and model number of the monitor?
by roblm
Fri Nov 16, 2018 7:45 am
Forum: Graphics Cards & Monitors
Topic: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz
Replies: 15
Views: 237

Re: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz

There is an existing xorg.conf file. You can upload it to pastebin from tty1 using this command:
pastebinit /etc/X11/xorg.conf

Also use the command inxi -Gx to get the bus-ID, which will look similar to this: bus-ID: 02:00.0
by roblm
Wed Nov 14, 2018 3:47 pm
Forum: Graphics Cards & Monitors
Topic: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz
Replies: 15
Views: 237

Re: Mint 19: Ryzen 2200G grey empty desktop after installing amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz

Try testing this kernel parameter by editing the kernel command line. The effect will only last for one session. At the GRUB boot menu select the correct line but don’t press Enter. Press the “ E ” key to edit. If no menu shows, then hold down the shift key while starting. Use the Down arrow key to ...
by roblm
Tue Nov 13, 2018 11:34 am
Forum: Graphics Cards & Monitors
Topic: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19
Replies: 9
Views: 177

Re: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19

I have tried a fresh installation of Mint (with erased disk) without success. I assume you installed nvidia-prime first. Were you able to get to the desktop this time after installing the Nvidia driver? If yes, then the output of these commands would have to be posted again, after selecting the Nvi...
by roblm
Tue Nov 13, 2018 10:24 am
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

I made a mistake in my previous post. The value of 3500000 in this line is for my system. I assume you changed it to 2700000? echo "3500000" | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_setspeed If I use the command cpupower help frequency-set , I see these options: -d --min <FREQ> new mi...
by roblm
Tue Nov 13, 2018 9:15 am
Forum: Graphics Cards & Monitors
Topic: configuration gets messeed up when system is idle or monitor turned off
Replies: 3
Views: 105

Re: configuration gets messeed up when system is idle or monitor turned off

Try using this command when the problem happens: xrandr --output DisplayPort-1 --mode 3840x2160 --primary --rate 60 --pos 1920x0 --output HDMI-A-0 --mode 1920x1080 --rate 60 --pos 0x0 If that works, then create a desktop launcher by right clicking on the desktop and selecting Create Launcher . Type ...
by roblm
Sun Nov 11, 2018 10:26 am
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

I don't know if the ignore_ppc parameter is needed when setting the cpufreq governor to userspace. If it is, then it can be made persistent by added it to the grub file. Use this command to open that file for editing: xed admin:///etc/default/grub Change this line: GRUB_CMDLINE_LINUX_DEFAULT="quiet ...
by roblm
Sat Nov 10, 2018 2:51 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

I assume you wanted the CPU frequency to stay at the maximum for gaming, when using battery power. After setting the userspace governor and then setting the frequency to 2.7 GHz through scaling_setspeed , why didn't you test your games with those settings. Instead, you switched back to ondemand and ...
by roblm
Fri Nov 09, 2018 2:18 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

I got the same glmark2 scores when either the governor was set to powersave or performance, so glmark2 only tests GPU performance. When you change the /sys/module/processor/parameters/ignore_ppc setting from 0 to 1, do you see a different output in this command: cat /sys/devices/system/cpu/cpu*/cpuf...
by roblm
Wed Nov 07, 2018 5:29 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

What is the output of this command: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_governors Select performance from the CPU Frequency panel applet and then post the output of this command: inxi -C Then use this command: echo "performance" | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/...
by roblm
Wed Nov 07, 2018 12:19 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

I get the same results with my laptop using Cinnamon on AC or battery power. Only the Powersave and Performance settings work. I used commands in the Terminal. The first command sets the CPU governor, followed by the inxi -C command, which lists the frequencies of all cores: echo "performance" | sud...
by roblm
Wed Nov 07, 2018 11:14 am
Forum: Graphics Cards & Monitors
Topic: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19
Replies: 9
Views: 177

Re: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19

I misread your post. I thought you got the black screen after using the apt purge *nvidia* command and rebooting, so switching to the Intel GPU would have prevented that, but you got it later after reinstalling the driver. The black screen is often from a misconfiguration from the sometimes buggy op...
by roblm
Tue Nov 06, 2018 8:57 pm
Forum: Graphics Cards & Monitors
Topic: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19
Replies: 9
Views: 177

Re: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19

I forgot to tell you to switch to the Intel GPU before removing all Nvidia packages. You can still do that by using the command sudo prime-select intel and rebooting, since there is no PRIME applet installed. The main purpose of all those procedures was to see if the error messages persisted when op...
by roblm
Tue Nov 06, 2018 2:46 pm
Forum: Graphics Cards & Monitors
Topic: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19
Replies: 9
Views: 177

Re: No hardware acceleration, Thinkpad W550s, Nvidia K620M, Mint 19

The nvidia-390.77 driver appears to have been installed and configured correctly, but I would have expected a higher glmark2 score with the Nvidia driver selected. You previously installed the nvidia-367, 375 and 384 drivers. The info you posted says the nvidia-384 driver is still installed and conf...
by roblm
Sun Nov 04, 2018 5:33 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

I was going to say PRIME GPU Offloading must only work with intel+radeon (or amdgpu) or intel+nouveau , but then I found this web page, but it’s from 2014: https://askubuntu.com/questions/484606/dri-prime-doesnt-work The suggestion was to use Xfce and this format for the xrandr command (substituting...
by roblm
Sun Nov 04, 2018 4:34 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

Since MATE is installed, you could try different Window Managers under Preferences > Desktop Settings > Windows > Window Manager . vga_switcheroo is the kernel mechanism that allows you to switch between GPUs but only if your machine has a hardware switch called a mux. Most laptops today with hybrid...
by roblm
Sun Nov 04, 2018 3:56 pm
Forum: Graphics Cards & Monitors
Topic: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics
Replies: 21
Views: 317

Re: AMD APU+AMD GPU Laptop - Can't turn on dedicated graphics

Your inxi output doesn’t say which Mint edition is installed, probably because you used inxi -Fz instead of inxi -Fxz , but I assume it’s Cinnamon. This web page has info on PRIME GPU Offloading : https://wiki.archlinux.org/index.php/PRIME It says under the section Black screen with GL-based composi...

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