Ubuntu :: Changed A Screen Resolution The Monitor Went Blank?
Aug 19, 2010
I changed may graphic card, earlier I used NVIDIA FX5500 with nvidia driver, now I was trying to use ATI Radeon 7500, but there are problems with graphic configuration. At first attempt server started but after I changed a screen resolution the monitor went blank. I restarted a computer but after the X server started immediately the monitor wnet blank. I found that for completely for me unknown reasons Xorg was trying to use an NVIDIA glx module with radeon driver. I removed this nvidia driver, I expected ubuntu would be able automatically to set up a proper configuration, but instead of ubuntu complained about a missing driver. I also tried manually to set up some basic config using Xorg -configure but after that the Xorg server was stuck.
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Jun 21, 2010
I am using Ubuntu 10.04 and had the dual monitors all set up using NVidia. When I was leaving my office I intended to lock my screen but instead switched to guest user . . . and now 1 of my monitors from my dual monitor set up has bunk resolution?
I have restarted and am logged in as administrator but I have no idea how to fix the resolution? The dual monitors have always been a problem for me. what in the x11/xorg.conf file I need to change?
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Oct 26, 2010
I've been using Ubuntu for about two years now, then suddenly today (after my PC accidently lost power) the screen resolution changed to 800x600 (it is, in fact, a widescreen monitor, and this resolution looked 'zoomed in'). The only two resolutions detected with xrandr were in the 4:3 ratio (800x600 and something worse). I followed some instructions, trying to reset the resolution to 1024x576.
I got as far as
$ xrandr --newmode "1024x576" ...
then,
$xrandr --addmode default 1024x576
but when I
$xrandr --output default --mode 1024x576
I a message to the effect of 'your screen can only support 800x600 or less'. Ah-ha, I thought, you stupid machine; this screen has had a greater resolution for over a year.
And so, from System->Preferences->Monitor, I forced the computer to switch to this new resolution. When prompted, I reset.
My current problem is that when I turn the computer on, the monitor displays a floating 'Input Not Supported' sign. I Ctrl+Alt+F1'd, and now all 'xrandr' and 'cvt' commands return:
Can't Open Display
My first priority is to get the computer back to it's less-broken 800x600 state;
EDIT: I'm running Ubuntu 10.04
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Apr 1, 2011
A few minutes ago, I was connected to my remote machine running Ubuntu 10.10. I changed the resolution of the screen while connected with VNC, but now I can't connect to the remote machine. How can I fix this without leaving my house?
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Apr 1, 2011
so here's the deal. A few minutes ago, I was connected to my remote machine running Ubuntu 10.10. I changed the resolution of the screen while connected with VNC, but now I can't connect to the remote machine.
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Apr 1, 2011
Ok, so here's the deal. A few minutes ago, I was connected to my remote machine running Ubuntu 10.10. I changed the resolution of the screen while connected with VNC, but now I can't connect to the remote machine.
How can I fix this without leaving my house?
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Sep 28, 2010
I tried adjusting the resolution in Ubuntu so that it would fit better on my screen. The first one I tried worked ok, but when I tried a higher resolution the screen went black. Now I can't see anything on the screen so I can't change the resolution back to where it was. If I hit esc when booting up, is there anything I can do that will change it back to the default?
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Jan 11, 2011
i have just put a Geforce 7300 GT graphic card into my machine the problem is the max resolution I can get is 1024x768 at 60 hz the screen is a benq fp71g+. also the screen goes blank when i click on the display icon in system settings. i know that the screen can be run at 1280x1024 so I don?t know where the problem is.
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Jan 18, 2010
I just stupidly changed my graphics resolution in System - Preferences - Startup Manager, now i dont get a login window or anything just a black screen. I also disabled the splash but i assume this just gets rid of the ubuntu loading line thingy?
the weird thing is that the resolution was set to 640x800 or something like that in the Startup Manager as default and the laptop im using (an old Toshiba Amilo P4) supports 1024x768. the System - Preferences - Display menu wouldnt let me change any display settings which is why i was messing about here. I havent got any backed up x org file and only a live usb of super os/ubuntu - no cd or floppy drive.
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Apr 22, 2011
when i was sleeping my computer restarted itself and when i signed back in all the windows were huge. the resolution is set at 900x600 and no other option makes the windows smaller.
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Oct 15, 2010
I downloaded some software yesterday from the ubuntu rep. This morning my screen has the bottom part of in black there are the KDE docky ,firefox ,terminal & rhythmbox icons ,so is the taskbar..but the wallpaper is cut up ,4cm off. I have noticed that the splash screens res has changed too. It's sharper (smaller). The browser as a consequence is also half lit & having noscript in the bottom without it being visible is a problem. Why has this happened & how can I fix it. The last working config, well that's somewhere else.
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Feb 23, 2010
I'm a newbie so apologies if there is a trivial answer to this.
I (maybe somewhat rashly) tried to connect my tv to my laptop (Dell Latitude D400) running Ubuntu 9.10.
I plugged in the cable, went to the System>Display menu, where it had detected the model and make of tv (Samsung 19" LCD) (I think the resolution was 1650 x 1050 or similar). I clicked the box to activate the second monitor with the "Virtual resolution" adjusted. It told me to log out then log back in.
I accordingly logged out but then couldn't log back in. It had evidently changed the resolution not only on the 2nd monitor but also on the laptop monitor. A box was visible on screen but completely illegible/unclear since the laptop monitor couldn't display that resolution.
After a few restarts and button pushes it is now restarting at a terminal (I enter my username/password at a command prompt on an otherwise blank screen rather than the graphical interface loading up).
Question: are there any commands that could change the resolution back to its original settings then restart the Ubuntu graphic interface? Some thing similar to the "load with last known good configuration settings" option in Windows maybe.
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Feb 16, 2010
I just replaced my PSU and now my computer is not booting up. To make sure that my new psu is not causing the problem, I put my old one back in but it still doesn't boot up. My system powers on, motherboard led glows, the processor starts running and so does the graphics card. The monitor stays blank though. Nothing shows up on the monitor. Just a blank screen with the monitor led blinking. What could be the problem ? It was working fine before I replaced my psu.
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Jul 31, 2011
Natty install -- ATI 9800 is the video board.
I installed Natty on it with the machine hooked up to a Samsung LCD with a 1680x1050 resolution over DVI. No problems at all. I want the box to pretty much output MP3s and web video, so I'm not needing much. When I take the box and hook it via DVI to my LCD, I get a blank screen on boot up. I try sticking the natty CD in it, and I get a blank screen trying to live boot it too. The LCD doesn't do 1680x1050, so I brought it back to my Samsung and set the default resolution to something nice and safe: 1280x1024. Still the same behavior. When I take splash mode off, I see a "load fallback graphics devices fail" error as it is booting up. Hard for me to think the driver is the fault here when it works on my over LCD just fine.
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Jun 21, 2010
I have a new ubuntu 10.04 install, it is the third that I have done recently. On this particular install (unlike the others) the screen goes unexpectedly blank at seeming random intervals and any motion restores the screen. It is acting like a screen saver with the blank screen option set. My screensaver preferences are set to use a screen saver 'for a 7-minute idle period. The lock screen option is off. For AC power management never is chosen for "put computer to sleep" and 30 minutes is chosen for the "put display to sleep" option.
This is a compaq presario desktop.
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Feb 5, 2011
I just installed ubuntu 10.10 did a clean install, formatting the previous ones. Install completed successfully, rebooted, entered in GRUB, chose linux, linux starts the my screen goes black, there is no signal coming to my monitor, linux runs fine though i think because I hear the ubuntu login drum. I press ctrl+alt+F1, but can't get to console either, the screen is looking for input signal. Should note the I have a Palit NVdia 9600GT gpu because I saw that people with NVdia card sometimes have similar problems.
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Jun 11, 2011
I have tried the tips, and to the best of my ability understand the later posts from the sticky post "Graphics Resolution" however I seem to keep reverting back to the blank screen. I did this:
Quote: ATI TIPS: Note that some ATI cards need flgrlx and some do not... If not then this workaround sometimes works: (Found this in another thread / credit to Quote: Originally Posted by surgus View Post
Steps for ATI users:
1. When the boot hangs, press ctrl+alt+f1.
2. Login as user with root privileges.
3. Type "cd /usr/share/ati" and press enter.
4. Type "sudo sh ./fglrx-uninstall.sh" and press enter.
5. Type "sudo reboot".
The above only works for some but not all, depending on what card you have and whether it actually is supported by additional drivers (proprietary). All at the moment, mostl seem to need "nomodeset radeon mode=X", where x= 0 or 1... Some ATI cards are not working with the current natty kernel, but are working with the older 2.6.37 kernel or the proposed 2.6,38.9 kerne (please see post 2)l Sometimes (rarely) it'll work but more often it won't, and in the two times it's worked I haven't known how to get it to remember the setting permanently- keep in mind I have no idea what that last paragraph about x= 0 or 1 means.
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Feb 11, 2010
so when ppl bring me their computer and i install them ubuntu in my monitor when they take their computer to their home ubuntu does not keep the screen resolution i set for them.
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Nov 2, 2010
I have a old Pentium III box with equally old monitor (It says LG Sutdioworks 45v).I have installed Ubuntu 10.04 LTS.I have found it difficult to setup my screen resolution. It shows by default 800x600.After some tweaking I can stretch upto 832x624.I have seen resolution up to 1024x768 in windows on the same box and same monitor.How can I improve the resolution?I have searched and found out that i need a xorg.conf setup as Ubuntu cant identify my monitor properly.I also installed ddcprobe, read-edid.However I have met with limited success.
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Feb 19, 2009
In installing Intel Fortran Compiler for Linux in my HP Laptop running on FC6,the rpm for debuger shows a dependency error for libXft.so.1. On searching in my system, foundlibXft.so and libXft.so.2. I downloaded and installed the rpm package "xorg-x11-libs- .8.2-37.FC4.49.2.1.i386.rpm"(rpm for FC6 was not found) with 'rpm -i' option. On rebooting Fedora, nothig displayed in monitor except few initiliation messages. I booted the system with FC6 installation DVD and tried to uninstall by mounting as 'chroot /mnt/sysimage' with 'rpm -e' command, but en error message comes as "error, the package 'xorg-x11-libs- .8.2-37.FC4.49.2.1.i386.rpm'is no installed". On booting from the system, i found the same problem.
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Nov 14, 2010
I cannot get the monitor screen resolution to anything but 1920 x 1440 (4:3).
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Mar 28, 2016
I am running Debian 8.3, and I'm running Gnome 3.14.1.I have an external monitor plugged in with HDMI, and while Linux is loading both screens are on duplicate. Once the GUI kicks in, only the external screen works, so I have to enter my password blindly. Then, I open a terminal and run
Code: Select allsudo echo 950 > /sys/class/backlight/intel_backlight/brightness
and the laptop screen turns back on.
I'm wondering: Is there a way to streamline this so that it happens on boot, but after GNOME loads?Or: Is there a better method to solve this?
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Jun 4, 2010
When i turn on my monitor the screen goes blank, but the 'on' button is lit up. Any ideas of what the problem could be?edit: When i turn off and turn on my monitor, it displays what's on my computer for a couple of second and than the monitor turns off again.
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Aug 28, 2009
I installed FC11 on my laptop T43 and the video card is ATI Mobility Radeon x300. Now I have a problem of screen resolution with external monitor:
When I do presentation, I have to mirror the two monitors and both set to 1024*768, which is not perfect.
I remember that when I use RHEL 5 desktop edition, The system can automatically detect the external monitor and set it by itself ----- The laptop uses 1400*1050 and the external monitors such as projector uses 1024*768. But I haven't found such feature on FC11.
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Nov 10, 2010
I need to know how to change resolution on the screen and monitor
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Jan 27, 2010
I am running Ubuntu 9.10 on a new HP PC (Pavilion p6240f PC).This came with an Intel GMX X4500 Integrated graphics.My monitor is Samsung SyncMaster 2333. Initially I got a very bad resolution, Later I edited /etc/X11/xorg.conf (created the file) and added the following.
Section "Monitor"
Identifier "Generic Monitor"
HorizSync 30 - 75
VertRefresh56 - 61
EndSection
[code]....
With both 1600 x 1200 and 1680 x 1080 I get the resolution but I see lots of shadowing.(The letters are not crisp) Do I need to upgrade any driver ?
~$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
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Apr 22, 2011
I have a dell studio hybrid PC which I am hooking up to my TCL brand 40" LCD TV to use as a media center pc. The problem I am having is that I can't get the TV's native 1920x1080 resolution to display properly. The rendered desktop doesn't quite fit in the screen (I think its the top and bottom edges that are cut off) so for example the menu bar at the top is completely off the screen.
1680x1050 works fine in the sense that it fits the full desktop to the screen size, but its not the native res. In the resolution changer utility, it recognizes that my TV is a TCL brand but mentions 36 in the model name (the TV I have has 40 in the model name to denote 40") so I think Ubuntu is recognizing the wrong size TV. How can I finagle the screen settings to make the 1920x1080 fit properly on my monitor? Or get Ubuntu to correctly recognize my TV? My TV is a no-name brand so its hard to find info on it or others setting up linux with it.
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Jul 25, 2010
I am new to Linux (Ubuntu 10.4 LTS on a Thinkpad T40), now just two days, and had everything working nicely. But since I wanted a better higher resolution I tried to set the monitor resolution to a higher value. After selecting a higher resolution first the screen went black and now it has a white background and is steady but has flickering areas. The system is still working. How can I go back to the resolution that was working?
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Mar 14, 2010
Last Thursday, 3/11, I installed a new mother board (ASUS M4A785TD-V EVO), AMD Athlon II X4 Processor, 4Gig DDR3 ram (RIP JAWS), 1 SATA DVD drive, along with my 2 IDE HDD's. The display was OK during BIOS review, and boot UNTIL it came to mounting x-graphics, at which point the screen went black, and a display message came up saying Out-of-RangeHf: 30KHz-70KHzVf: 50Hz-90HzCurrent Frequency:90.3KHz, 60.0Hz.
Does anyone know what is causing this? I mean, is there no way that Deb 5 X86 is going to run on a quad 64-bit system, or can something else be wrong? Before changing hardware, I had seen indications that this system was backward-compatible to older systems, and the more in depth study I've done since seems to verify this.y be, however, that I completely mis-understand what I am reading - this is all pretty new to me.
I tried booting into Debian 4, Libranet 3, and Linspire 6. They all complained loudly, but differently, about x being inoperable. I can't tell you how they complained because I can't go back and check them. THAT is because, in BIOS, I was testing the system with all the different options for "Internal Graphics", to see if one would work. One of these options was "Disabled". Oh-ho-ho! BAD MOVE!!! it's disabled, all right, including BIOS! I can't believe it. There was no warning, whatsoever. I assumed no engineer in his right mind would allow that option to lock out the BIOS without SOME kind of warning. I'm going to try to call ASUS tech support tomorrow to see if they have a solution, but if anyone knows how to reverse this, please let me know. I suppose the only answer is a separate graphics board. But I don't want to get that if I can't use this MotherBd.-processor setup.
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Jan 18, 2010
OS: Fedora 12
Video card: ATI Radeon 9200 series
Monitor: ViewSonic 19"
I installed Fedora 12 configured Gnome automatically. Generally default settings. My monitor was connected directly to the video card and all was good. My video card was detected and my monitor was detected as ViewSonic Corporation 19" and I can set the screen resolution to 1280x1024. I had no xorg.conf file, as it seems that Fedora 12 does a great job of PnP to just set everything up.Now I go and complicate things by hooking up my monitor through a KVM switch. All of a sudden my monitor is "Unknown" and the best resolution I can achieve is 800x600.
Sure, I could go and reconnect without the KVM, but I want to be able use it.Is it possible to edit xorg.conf to tell it "Trust me, just use 1280x1024 at 60Hz even though you can't figure out what the monitor is"?
I tried a number of the posted suggestions to generate xorg.conf files but none of them get me what I need. A simple sample file listing that does the minimum is greatly appreciated (I can experiment from there once I get a basic setup working).And can someone explain if it is X or the ATI driver that is getting confused by the unknown monitor type. It helps to know what is actually going on in addition to a fix (so I can figure it out myself in the future). Thanks!
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