Ubuntu :: Screen Position A Few Pixels Off?
Oct 24, 2010
In 10.04 on a Shuttle the screen position is a few pixels off. I fix this with xvidtune for the session. I also get a new modeline. I build a new xorg.conf file (go virtual terminal, stop gdm, Xorg -configure, etc) and move it to /etc/X11. I introduce the modeline in the monitor section and reboot (I could do a service gdm stop...). Guess what, my screen is still a few pixels off. The documentation clearly states that if there is an Xorg.conf, it will be used. So what gives?
This problem has existed since the xorg.conf file was dropped. It is just plain silly that one has to engage in a geeky treasure hunt to correct a few pixels. This adjustment should be present in the System/Preferences/Montors. This is why Linux does not make it with ordinary users, making (superficially) simple things difficult.
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Dec 7, 2010
Eee PC 1005HA : Ubuntu 10.10 Netbook Remix, using Desktop Edition at login screen, using Awn in place of Unity: No clue what's causing this. Menu pixels freeze, remain on top of windows. Cursor floats over, but interacts with the actual active window. Can't move it. This has happened several times now, but usually only lasts a few minutes. At the time of this post, these pixels have been frozen for at least 20 minutes. Relogging fixes the problem, but logging out and in again every time this happens isn't really an option.
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Jun 18, 2011
Brand new laptop Lenovo G570 with Intel Integrated HD Graphics 3000, 15.6", 1366x768. can't detect the correct resolution with Ubuntu 10.04.2 LTS.
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Feb 23, 2010
I recently downloaded Ubuntu 9.1 and burned it to a CD. However, I can't seem to get it to boot. I got to the main menu and selected to run it directly from CD, and the Ubuntu symbol showed up saying it was loading things, but then the screen went black and nothing happened even if I waited over 15 minutes. During this time the HDD light was flashing every second or two, and I could see about three white pixels at the top most row of the screen.
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May 11, 2010
i just installed ubuntu studio and it seems to be working fine but i'm having an issue where the both the left and right side edges of my laptop monitor are unresponsive/unclickable for about two pixels all the way down. it's a minor issue that i could probably get used to, but it's particularly annoying when trying to use a scroll bar in firefox or any other window that when maximized would have it just against the right side of the screen. instead of simply swiping the cursor all the way to the right i have to stop just short of the edge in order to use the scroll bar/any other function.
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Jan 17, 2011
I recently installed ubuntu 10.10, and I like it alot, but the problem is that a little right part of the screen not beeing displayed, I clicked a lot of times in the auto-adjust button on my monitor and the problem is still here.Monitor: Acer Technologies 19" (Maximum resolution: 1360x768 60Hz)Videoboard: ATI Radeon 9600In windows i used the resolution 1360x768 and on ubuntu it is 1366x768A demostration of exaclty what I'm seeing:Other observation:I'm using dual-boot (Ubuntu and Windows Seven)
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May 20, 2010
I am very happy with Ubuntu 10.04 that I downloaded, burnt to CD and installed (I am a newbie to Linux), but I am finding a little problem on an old Sony lap-top, with a rather old-fashioned almost square screen.The top bar of any screen image is just off the top, and I can only see a quarter of it, which makes using the max/min and cancel buttons a bit hard to use. I know I can resize the screen, but it goes back to the original next time it is used. Is there a permanent fix?
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Feb 16, 2010
Having recently installed puppy linux (pup431) on my sony pcg-c1mah laptop with a monitor of 1280x600, I am absolutely in love with it. It is so fast and smooth. However, there is one problem, the screen position is shifted up vertically, off by a few pixels (30 maybe). This makes most of the application partially off the screen, which is really annoying. Previously, I was able to install xubuntu (8.04) on it without any problem. The screen was perfectly positioned. It was the speed reason I decided to go for puppy linux. If xubuntu was able to set the screen correctly, why puppy linux can not.
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Apr 4, 2010
I had ubuntu 9.10 I upgraded to 10.04 after solving some problems (freeze at boot).
Since then, I don't have the ubuntu's logo showing up when I boot, but a purple screen with some blinking pixels. I didn't care much about it... but today my computer took too long at that screen (normally it was just 1/4 second, but today it was like a minute..). And it happened like 4 or 5 times in a row (Only at the 5th time I realised that it was not freezing up, but it simply would took more time)
After a reboot, it is again 1/4 second of purple screen but I don't want this problem to return.. so I want to get rid of the purple screen (I think it is an indicator of the problem)
Well, I already installed the graphic drivers (going to system > admnistration > hardware drivers). But it didn't solve anything. (I don't know if it is even related)
I searched in google, found something old (2006) and I think it maybe has some relation with my problems .. [URL]
But couldn't understand the conversation (i'm a linux novice)
My hardware:
ATI Mobility Radeon 4650 HD
P7450 2.13Ghz Core 2 Duo
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May 24, 2010
i recently installed 10.04 after hearing from a colleague that it was highly recommended, however after install, all i get is a black screen with various colors pixels at the tope of the screen. I've been trying to find a resolution, but have nevertheless come up empty, i really need to info that is/was on my desktop (passwords & such).
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Jun 19, 2010
I was using Fedora 12 before and using the RPMFusion nVidia proprietery driver and everything was fine. On fedora 13 Im trying to use nouveau with the 3d support and for some reason i get little pink pixels appearing over my screen in ramdom places on ramdom. please see screen shot below. I used to get this on fedora 12 also before using the nvidia driver, any clues how to fix this?
also, I have two monitors (well one is a tv) any how most of the time i dont use the tv, so in the settings i switch it off, but for some reason when i log out the default settings are to use both screens and have the login prompt on the wrong monitor, how do i set my monitor settings to be so in all situations?
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May 19, 2010
I just installed Fedora 12 on a rack computer. I know my screen has the ability to show 1600x1200 pixels. But I don't know what my video card can do. Right now my screen is stuck at 800x600. When I had Fedora 11 I remember it could go to 1024x768 or maybe a little larger. I can't really find a driver for the ATI RageXL, How to make the screen resolution as high as possible.
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Feb 16, 2011
I recently upgrade from Lenny to Squeeze. My graphic card is nVidia Corporation G86 [GeForce 8400M GT] (rev a1). Using lenny latest drivers from nvidia worked fine. I installed nvidia drivers using Debian packages 195.36.31-6 and latest driver from nvidia site (260.19.36) and also other nvidia drivers. The problem is when I start gdm3 I saw nvidia logo but then when it loads gdm3 it shows gdm3 screen with lot of black pixels and other random pixels and then the screen freezes. And the only thing I can do is restart using [alt]+[sysrq]+b.
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Apr 9, 2010
I am running a dual boot conifg with OSX and Ubuntu PPC (karmic) on a 2004 G5 and everything is working pretty well - very well actually. The last thing I am trying to adjust is such a simple thing, but I just can't seem to get it. In Ubuntu, the screen position is shifted to the right, covering the scroll bar of windows and the trash can.
No problem, just use xvidtune, adjust the screen as I want and create a custom modeline right? Well, it does not seem to work.Here is what I did:Using xrandr I created a --newmode and then used --addmode to add it to the output I am using (default):
Code:
mieren@G5-Ubuntu:~$ xrandr --output default --newmode 1680x1050_new 146.25 1680 1820 1996 2268 1050 1053 1059 1089 -hsync +vsync
mieren@G5-Ubuntu:~$ xrandr -q
Screen 0: minimum 320 x 240, current 1680 x 1050, maximum 1680 x 1050
[code]....
Notice how the new mode now lacks the rest of the config information specified in the --newmode above, not sure if this is normal.I can change to the new mode, and the resolution is correct, but the screen is still not adjusted. There is no difference switching between the 1680x1050 and the 1680x1050_new modes - the screen may flash, but the position does not change.
(I also tried adding a mode line to /etc/X11/xorg.conf screen section, but it also has no effect. Actually, there was no xorg.conf existing at all, so I created a minimal one.)It is really annoying to have to adjust the screen position using the monitor controls on every reboot.
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Dec 15, 2010
1) I got a dual screen and I can drag applications on screen No2. But if I log out, reboot or close the application, it will go back to screen No1. Is it possible to memorize the position of an application on Screen No2?
2) I use workspace a lot. I like to split them by function. I got "Development": Netbeans, firefox (one on each screen), "communication": Evolution, gwibber, empathy (Evolution on 1 and the rest on 2) and "Entertainment" (anything not involving work)Every morning, I have to move my applications to the diferent workspace. It would be great if on startup they just go where I told them to be!
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Dec 5, 2010
how to pass the position to zenity to be launched specific place of X11? No info are given [URL]
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Nov 4, 2010
I have a dual-screen set-up with Ubuntu 10.10. I have an ATI Mobility Radeon HD 5650 video card. I use my lower-resolution laptop screen on the left and a larger monitor on the right. The monitor is also physically higher than the monitor. See attachment for a screenshot.I have correctly set up my displays so that if the mouse is in the middle of the screen it can move from one screen to the other without jumping. The jumping happens when moving off of one screen in an area where the other screen is not directly next to it (some people call this 'the void').
Example: (See the attachment for a visual example of this.) My mouse is in the external monitor (right monitor). As I move the mouse to the top-left of the monitor (position 1), I by mistake go a little too far and instead of hitting the Ubuntu applications menu, I ended up at the top-right of the laptop monitor (left monitor; position 2). I quickly realize my mistake and move the mouse back to the right monitor, but now the mouse is at the middle-left position (position 3).This same error occurs by moving the mouse on the laptop monitor (left monitor) passed the bottom-right position. This is a big problem when scrolling vertical scroll bars on the laptop monitor (left monitor).I am looking for a fix that if the mouse is at position 1 in the attachment and I move the mouse left, it stays at position 1 and does not go to position 2.
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Mar 30, 2011
I have been working for the last three months with Ubuntu 10 on a destop. Doing just fine and loving it. I decided to try a new position for the toolbar that sits at the top of the screen. I did a right click and moved it to the right side of the scree, didn't like the look of that. Right click on the bar and moved it to the left, didn't like that either, so moved it to the bottom. having done all that I thought I could put it back at the top but alas, I can not right click on the Toolbar.
It seems as though the two bars are fighting each other at the bottom of the screen.I would like to go back to the default position at the top of the screen. I do have a terminal window available to me on the desktop so if I could find out the command line to type in, I should be able to reset my tool bar. Being new I have no idea what this command would be.
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Mar 18, 2010
I have a new installation of Karmic 9.10 up and running but for some reason my Nvida Quadro NVS 280 SD graphics card can not align my Sony SDM-HX73 monitor correctly. On the left I'm missing 10 or 15 pixels and on the right I have a thin black strip of unusable screen.
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Jun 13, 2011
I bought a 25 foot dvi to hdmi cable to play movies from my computer on my plasma tv. Green pixels appear on about 20% of the plasma screen; some jump around others stay in one place. I have a nvidia GeForce 7600 GT card. The nvidia restricted drivers are installed. I also tried using a mythbuntu live cd and had the same problems. Is this a problem with a bad cable, bad driver, wrong setup, or something else? How can I get rid of the green pixels?
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Apr 26, 2010
I have a 30" LCD with 2560x1600 pixel resolution. I would like to make and play videos at this resolution, but software decode is too slow, and the GPU accelerated decode (VDPAU) maxes out at 2048 pixels. It might be possible to decode 2Kx2K and cut-and-paste and reorganize the rectangles to fill 2560x1600. But someday I plan on getting a 4K screen (4096x2160 pixels) and I would like to support that too. For that it seems two video streams decoded by two GPUs and exactly synchronized would work.
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Oct 17, 2010
Using the default theme in Ubuntu 10.10 I find that setting the top panel to more than the defalt 24 pixels size means that the extra pixels you add at the bottom are a different shade. It looks a bit rubbish, is there any way to fix this?
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Dec 1, 2010
I did this whole process, [URL] It worked, but I have missing pixels. I thought it didn't look as sharp as it should, but when I went to facebook which uses small fonts, I could see part of the letters missing. (@ 100%)... 1440x900_60.00...
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May 30, 2011
I think 32 pixels is still very big for a launcher, can I shrink them more somehow in Unity? I'm talking about Ubuntu 11.04, of course.
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Jan 16, 2011
Im looking for resize an image from my computer to 100 pixels or less than 100 kb. I want to upload my picture profile here at the Fedoraforum.org
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Sep 11, 2010
I recently upgraded to Ubuntu 10.4 and, although that installation seemed to work OK for awhile, I have recently encountered a strange problem. I have a dual-boot system with Win XP and two releases of Ubuntu, 10.4 and 9.10. I installed the latter recently only to be able to run some legacy software. I believe the problem occurred sometime around or after the installation of the 9.10 package. Note that the 10.4 install was a clean install on a newly formatted HD, and not a normal upgrade from 9.10, which I installed later separately. The Ubuntu installations are on their own HD. Win XP is installed on its own separate HD.
Here's the problem. I can boot OK up to and including the appearance of the Grub 2 menu, which displays fine. From the menu I can chose Ubuntu 9.10, Win XP or several kernels of 10.4. The 9.10 Ubuntu boots completely normally, as does Win XP--no problems or irregularities with either of those. When I select one of the 10.4 Ubuntu kernels, the strangeness begins, as follows:
1.) The menu disappears, there is a brief period of blank screen, and then a bizarre screen appears. It has a violet/magenta background. The word "Ubuntu" appears in large type, with a couple of lines of text below it. However, all of the type is unreadable. Instead of being normal characters, all the text characters are displayed as blocks of seemingly random multi-colored pixels! I can recognize that it is supposed to be text, but the letters are just a bunch of colored pixels. I can recognize the large Ubuntu word because of its shape. Also, the whole text display occurs twice on the screen, one on the left and one on the right. Both are displayed as colored pixels.
2.) The screen stays there, as if frozen, and does not continue with installation of the kernel. After some experimenting, I discovered that if I press Ctrl-Alt-Del (!), the installation continues as one would expect: I soon get the normal login screen, am able to login OK, and my desktop soon appears as usual.
3.) However, once in the desktop, if I try to invoke a console window by pressing Ctrl-Alt-F1-6, the console window appears, but the text on the screen is again rendered as little bunches of colored pixels, completely unreadable. I can, in fact, login at these screens, but the text remains colored pixels. I can escape back to a normal desktop by then pressing Ctrl-Alt-F7, and the desktop comes back completely normal. Interestingly, if I invoke a terminal from the main Applications/Accessories/Terminal menu, I get a normal terminal in a desktop window that is perfectly usable.
4.) If, from the boot menu, I choose the Ubuntu 9.10 choice, everything works fine and as expected, including the Ctrl-Alt-F1-6 console windows. This problem only occurs with the Ubuntu 10.4 menu options.
Since this problem only occurs with the Ubuntu 10.4 menu choices, my guess is that there is something askew in the display configuration of those specific choices. But, I've not discovered what to check for that configuration or how to correct it. I've checked out the /boot/grub/grub.cfg file, the /etc/grub.d number files, and /etc/default/grub, but can't find anything that seems to be the cause or the remedy.
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Aug 3, 2009
I'm trying to get the width of a string in pixels this way:
Display *disp;
int len;
disp = XOpenDisplay(0);
font = XLoadQueryFont(disp, desc );
[code]....
I'm getting negative numbers as the the pixel length, eg -7275
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Apr 6, 2010
It's been a while since I did any kind of graphics programming, but I would like to start learning how to do graphics stuff in *nix. I started reading the GTK+ 2.0 Tutorial, but a) I've only been able to write a small "Hello World" program, and that tested my patience, and b) I'm not seeing anything which allows you to plot a pixel directly. Back before I migrated to Linux, I used the Windows GDI SetPixel() function for plotting pixels sequentially (this was for a small fractal generator). Mostly what I'm asking is if there's any kind of equivalent function in *nix graphics APIs? GTK+? Would I have to deal with SDL/OpenGL?
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Aug 24, 2009
I want to findout how to paint a line in C without using a line function or OOP. I want to control it by pixels.
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Oct 28, 2009
using the code
Code:
void setplane(unsigned char mask){
inportb(0x3DA); //Reset the VGA flip/flop
unsigned char c=inportb(0x3C0); /*the VGA does not like you not saving values*/
[code]....
does not work, for example if setplane(1); will change all pixels plotted to blue - not just the newest. and here is how i plot pixels:
Code:
void ppixel(unsigned x, unsigned y, unsigned char color){
setplane(color);
((char far *)0xA0000000L)[(y*(640/8))+(x/8)]=((1<<7)>>(x%8));
}
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