Ubuntu Multimedia :: Screen Offset After Using Projector And Gtkwhiteboard?
Jan 30, 2011
Ubuntu 10.10Asus UL30Agraphic chipset Intel GMA 4500 MHDNative LVDS1 display resolution is 1366x768, but my laptop now boots at 800x600. Using xrandr to set resolution at 1366x768, I get the right dot pitch but the screen is still 800x600 px wide, left-top aligned on a 1366x768 display, so that I see a 168px black belt on bottom and a 566 black belt on the right. A vertical screen offset of 168 px affects also the pointer (touchpad) in the following way - I can move and see the pointer arrow all the display wide including the black region, but input (click) is taken for a position 168 px above the pointer visible position.
This is happening after having used the laptop with an external projector and gtkwhiteboard (wiimote based infrared pointer management). I then removed gtkwhiteboard to no effect.Everything works fine when booting in failsafeX, recovery mode. Here is output of uname -a
Code:
Linux bidolino 2.6.35-25-generic #44-Ubuntu SMP Fri Jan 21 17:40:44 UTC 2011
x86_64 GNU/Linux
[code]....
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Dec 8, 2010
I have an NVIDIA video card attached to my LG plasma TV by vga cable. My display is offset slightly with some of the left-most and top-most area of the screen out of range with an equal amount of black/unused screen to the bottom and right. Is there a way for me to recalibrate my display to correct for this?
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Jan 16, 2010
Problem: In Fedora 7 picture offset about 5 mm to righ on screen. I solved this with xvidtune and insert modeline in xorg.conf. In section Monitor..... I'm not sure. Why I can't use this trick in Fedora 12?
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Jul 25, 2010
There's several threads dealing with overscan, but I've got an interesting twist in my setup that (I believe) is putting a kink into the proposed solutions. I'm trying to set up a media center PC with Ubuntu 10.~. The motherboard has built-in ATI graphics (3300 series), and connects to my television (Panasonic capable of 1080i) via HDMI. As can be expected, the overscan makes the top and bottom bars nearly invisible (as well as a portion of the sides).
When I run the Catalyst Control Center, it informs me that the monitor is a projector, not a TV. Try as I might, I can't convince the thing it's attached to a TV. When I run "aticonfig --tv-info", I am informed that a TV is not connected.
One question I could ask, though: does it matter? The reason I'm asking is that I can't find the "Configuration" menu option in the CCC that all the other threads talk about. I know where the little black triangle menu is, but there's no "Configuration" item in it. There's also (as best as I can tell) no way of adjusting overscan for a digital projector.
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Oct 11, 2010
Here are the details:
Acer Aspire 5315-2681 notebook
Intel GMA 965 adapter
Ubuntu 10.04.1 (Lucid)
Not sure what resolution the desktop is, but should be 1280x800
Fn+F5 does nothing (2nd display notebook hotkey)
ANDsome sort of SHARP projector
Projector resolution should be 800x600
This is the info from lspic:
VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03)
(There is a sticker on the computer that says Mobile Intel GMA X3100, however.)
When I booted up the computer with the projector attached my bootloader appeared on the wall but not on the LCD. When I logged in my desktop appeared properly on my computer and is duplicated on the wall. However the wall image is very blurry. Part of the lower image is cut off and the right side is too short and there is a green band on the right edge a half dozen pixels wide.
When I booted (dual boot) into windows XP I got the same thing. Then I installed the proper drivers for the graphics adapter (they had not been installed because I hadn't used XP for anything but updating the BIOS) and the image lined up neatly and fit properly, and I could set the display to extend my desktop (instead of duplicate) it on the projector image. (This is what I would like to do under Ubuntu).
I'm concerned that my VGA controller doesn't have the right drivers or is set up incorrectly, but since I'm new to Linux I have no idea how to fix it.
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Dec 8, 2010
I tried the new flash 10.2 beta in the hopes that they actually improved things, but it doesn't seem like they have.
1) Video's still seem to go to the 0,0 position with multiple monitors. Always the left screen.
2) Clicking on the non-fullscreen monitor still causes the fullscreen to exit.
3) My video is still offset and shifted on players like ....., probably due to screen resolution.
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Oct 15, 2015
I need to clone my laptop's desktop in a vga projector. I'm using debian 8 kde spin. If I simply connect it, the projector become the extension of my desktop (like dual monitor). Of I go on monitor setup in kde settings, I can just enable or disable One of 2, or setup the main, but there si no option to clone from the laptop to the projector.
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Apr 18, 2011
When I try to connect a projector to my laptop (already running) and hit the fn+f7 (the designated button for switching screen), nothing happens. I see "no source found" on projector screen and my laptop screen works perfectly. Now if I restart the laptop with the projector connected, I see all the intial booting messages on the projector screen (not on my laptop), then the gnome login screen appears on both the projector screen and laptop (when the login screen appears on laptop it looks like it has lower resolution than my usual laptop resolution). But immediately after I log in, my laptop screen goes blank, and projector screen becomes the only active screen.
If I restart without the projector, again all normal operation on laptop screen is restored.
I feel like I am missing some very silly options. Any help is appreciated.
Here is the output of xrandr when the laptop is connected:
Code:
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Feb 17, 2011
I used K3B to rip some of my DVDs (using the Xvid codec) onto my laptop to take away on holiday with me. This worked fine for 2 of the DVDs but the 3rd one ended up with the audio out of sync with the video. Fortunately VLC comes to the rescue with the ability to offset the video and audio tracks.Is there a way to re-encode the ripped files to permanently fix the offset.
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Jun 23, 2010
Yesterday I was trying to connect the overhead projector to the VGA output of my laptop. The problem was that the device was connected by way of a VGA video splitter, which evidently missed some signal, and made the projector invisible to the laptop: "xrandr -v -q" told me "VGA1 disconnected".
The solution is: boot with
Code:
video=VGA-1:e
kernel boot parameter, found in the wiki and in intel linux FAQ.
It works, but it is a bit awkward to have to reboot to switch on or off the VGA output. So I suppose there is some user-space trick or utility to do this which I was unable to find.
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Apr 7, 2010
A friend whom I turned on to Ubuntu with 9.10 recently connected a projector to watch a movie off her laptop. When it was connected, the laptop screen changed and it was clear that desktop effects through compiz were disabled. Thing is, since disconnecting the projector, I cannot get the effects back.If I go into Preferences - Appearance and click to enable Normal or Extra Visual Effects, the same thing happens. I.e. I get a popup saying Searching for hardware driver...and after about 20 seconds, the screen flashes a bit, and says
Desktop effects could not be enabled. Not sure why it's searching for a hardware driver. The computer doesn't require any 3rd party hardware drivers to be enabled - it doesn't have an nVidia card or anything like that.If it makes a difference, she yanked the VGA cord out without setting the display mode back to just her laptop with the FN and F key combo.I've tried:
-Reinstalling compiz
-Tinkering with options under Preferences - Display
-Ensuring that nothing is available under Preferences - Hardware Drivers
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Jan 13, 2011
I am trying to communicate to a Sanyo projector using pySerial and am having issues. I have verified that my baudrate and parity are all set correctly. Here is my code (using COM13):
import serial
ser = serial.Serial(12)
ser.baudrate = 19200
[code].....
I have also tried variations using "CR0", "CR0", "CR0x0D" and nothing seems to change it. I'm using another application to ensure that I can speak to the Sanyo projector, and I get a correct response.CR0 is a status read of the hardware that should return something like "80" which would mean "STANDBY"However, the responses that I keep getting are things like 3,4, or 5 which seem to be errors, given that they are returned apparently based solely on the length of the String I send, not based on the actual command.
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Nov 5, 2010
When I connect my laptop to projector, its not detecting. But when I log-off and then log-in it automatically detects the display. I tried function key, but its not working. I am using Debian Lenny also. Also several others with different version of ubuntu running on different laptops reports the same problem. I tried searching net, but couldnt find a good answer.It would be helpful if some one explains what exctly is happening and an easy work around for this problem.
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May 28, 2011
i need to connect my loptop Vaio F116FG to projector with VGA cable.now when i connect them in suse,projector doesnt show loptop image,and loptop doesnt know projector.(in windows 7 its work fine)
My Graphic card is Nvidia G330M,and its driver is installed
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Aug 25, 2010
My display on fedora 13 freezes, key board stops working, when I connect projector to my laptop. I see the display settings mentions "DVI monitor, resolution 1280X800 refresh rate 60.0". Do I need to set the resolution to some other number before plugging the projector on and do I need to change it back to the default resolution after unplugging projector
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Nov 12, 2010
Fedora 13, x86_64, up to date. Trying to get nVidia Quadro NVS 140M to display on a projector the same as it does on the laptop screen, which is 1680 x 1050. I failed to do so with the nVidia driver (latest version), so I want to go back to the nouveau driver and try with xrandr. I have always used the nouveau driver with Fedora without an issue, but in my former life in Ubuntu I sometimes switched back and forth between the "nv" driver and the nVidia driver.
Doing so was trivially easy - just edit xorg.conf replacing "nv" with "nvidia" or vice-versa, then restart X. However, after installing the nVidia driver via Yumex and using the nVidia config utility, I find that now I have an xorg.conf file that is loaded with stuff I don't understand, except that at the top it says it was created by nVidia, and there are two places where it says the driver is "nvidia." I have searched and all I can find is instructions for installing the nVidia driver.
Apparently that is meant to be a one-way ticket, because I can't find any instructions for how to return to the nouveau driver. Except stuff that is over a year old, and complaints from users whose systems failed to start X. What would happen if I just replace "nvidia" with "nouveau" in the xorg.conf file and restart X? I know if it won't start X I can boot to rescue mode and re-edit xorg.conf, but I'd rather ask first and do it the right way than have to repair a broken system.
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Mar 8, 2011
For instance, using dd, you create an image of a whole hard drive, all partitions. The script then comes and mounts the partition located at offset 63 (or whatever the user picks).I do not see this option in the mount command.No other searches turned up anything meaningful. So I am bowing to the gurus.
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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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May 19, 2011
i have a problem here whereby some 20 over servers in my network is having regular Offset values. The configured threshold is 55, but whenever it exceeds 55, i have alerts coming in. My questions are;
1)how do i find out what is causing the Offset value to be high?
2)i have workaround in mind, that is to create a cronjob to restart the ntp daily, or hourly - is this workaround an acceptable practice?
My main concern is to find out what is causing the frequent offset spike/increase. real example from my servers:
[Code]....
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Mar 15, 2010
I am dualbooting Karmic, windows 7, and fedora. When I boot, Grub2 will boot everything but Windows 7. Instead it says:
Code:
reloc offset is out of the segment
abort.
I've tried reinstalling and updating grub2 and I also tried grub. It wasn't a problem until I put Lucid on a 4th partition that's always been there. I let lucid install grub2 and after that windows didn't work, but I got the same error when I reinstalled it from karmic. I got a different error from grub (that I don't remember), but I wasn't positive about the configuration so that may have been my fault.
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Jun 11, 2010
I'm having trouble keeping NTP synchronized and able to provide time updates to other devices on the private network. I believe this is because the server has a too large of offset, that causes all NTP clients syncing through the server to fail.
I have two setups, one working, one failing, with mostly identical installation and settings.
Setup A is the working setup, as I will name it, is ubuntu server edition 8.04 with kernel 2.6.33.1. ntpd version is 4.2.4p4.
ntpq -p outputs this information:
remote refid st t when poll reach delay offset jitter
================================================== ============================
*europium.canoni 193.79.237.14 2 u 925 1024 377 101.851 0.194 0.328
ntp.conf is:
[Code]....
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Apr 9, 2011
I am using LibreOffice 3.3.2 Final on a 10.10 Ubuntu Laptop.Everything I print from LibreOffice and Openoffice is printed ~2 cm too high. Printing from other programs as Document Viewer and GIMP is just fine. It's not a settings problem, Ive checked everything hundred times. I am printing on HP Deskjet connected to a wireless router with CUPS 1.4.4 Driver.
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Oct 16, 2010
SuSE 11.2 = 2.6.31, ntpd 4.2.4p7. My offset and jitter are large compared to what I see on the internet. I have also been trying to use a GPS+PPS but that doesn't seem to matter one way or the other. They usually start out with offset and jitter in the single digits and drift / move to something like -400 and 80 over a couple of hours. I have tried various remedies under ntp.org like HZ=100, setting clocksource to tsc, hpet, or acpi_pm. I do not know what to do with acpi so i didn't test that. One of my systems has drift of < +-20 which is good. I have tried it on another identical system and also an 11.1 system. One of the systems is not behind my firewall. They do not run a firewall themselves or VM or pretty much anything as they are not being used.
I have used ntp.conf with/without 'prefer'. Here is a recent ntpq -p:
remote refid st t when poll reach delay offset jitter
xSHM(0) .GPS. 0 l 1 16 377 0.000 508.652 177.858
*SHM(1) .PPS. 0 l 3 16 377 0.000 81.463 13.790
+131.107.13.100 .ACTS. 1 u 1 64 373 55.209 107.670 19.061
+saturn.netwrx1. .PPS. 1 u 11 64 377 59.973 100.192 10.695
+tick.usask.ca .GPS. 1 u 9 64 377 81.503 97.608 10.434
-97.f7bed1.clien 192.5.41.40 2 u 58 64 377 39.804 104.353 11.306
+dev1-c.nym009.i 128.4.1.1 2 u 23 64 377 46.182 104.460 11.550
+ntp2.Rescomp.Be 128.32.206.54 2 u 15 64 377 77.153 92.867 14.428
+ds3-us.zagbot.c 204.9.54.119 2 u 35 64 377 38.797 96.360 9.053
+montblanc.arbor 208.66.175.36 2 u 26 64 377 34.713 93.690 14.534
Is there something wrong with 11.1 and 11.2 ?
Here is the ntp as run from /etc/init.d/ntp start (also with yast):
21238 ? Ss 0:00 /usr/sbin/ntpd -p /var/run/ntp/ntpd.pid -g -u ntp:ntp -i /var/lib/ntp -c /etc/ntp.conf
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Jun 27, 2011
When switching users or logging out and then back in, the unity desktop will be shifted to the right, so that the clock, power button, etc. is off-screen. This does not happen every time, but seems to be about 50% of the time.It looks to be shifted about the width of the toolbar on the left, so that there is a blank column the width of the toolbar, then the toolbar. So, maybe some screen position data is not being reset at log out
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May 6, 2011
I seem to have had this problem in kubutu as well, but my screen's image is offset downwards, such that I can barely see the bottom "task bar".I haven't been able to find any resolutions to this problem, except that the refresh rate might be wrong. Unfortunately, the "Display" program only gives me two options -- 60Hz, and Auto
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May 2, 2011
One of the main things I need Nagios to do is check the servers for time drift. I have all my servers running ntp against an NTP server, but I still get some nasty drift on some of the systems. I want Nagios to monitor this drift and inform me when the drift reaches a certain point then I can go in to reset the time on the system. My question is the accuracy of the check_ntp_time function or am I reading it wrong. Running "check_ntp_time -H time01" produces the following output
[Code]....
You can see the offset returned by check_ntp_time is -0.0006129741669 whereas the offset from ntpq -p is -0.292 I don't see a match from the check_ntp_time function, they are not even what I would call close. Am I misunderstanding something or is there a large difference in values between the ntpq command and check_ntp_time function?
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Jun 18, 2010
I'm looking for a function (prefer POSIX, but Linux specific would do if it has to) to get the current timezone offset. For my location, eastern USA, that should be -14400 when daylight time is in effect, and -18000 otherwise.
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Dec 30, 2010
I'm using pyqt3 for my app and am lost on even how to attempt this task... On a vinyl cutter to have the blade pivot it must be offset from the center of the shaft it's on so say for example a .25mm offset would leave a .25mm unwanted vinyl attachment when the cutting is done. I somehow have to average or extrapolate that .25mm xy coordinate and add it to the hpgl plot file as a PUx,y; command? I have enclosed a simple sample file that has three images in it. In the corresponding hpgl file everything between the PU commands that are starting with PD are the code for that image (star for eg the pu to move to next image and then all PD for the next image and so on, so once the formula or procedure is figured out it can be applied to as many images there are in the file. Placing the new command at the head of each image PD group. Since there are absolute and relative cutters I enclosed the same exact plot for both types as the coordinates on relative can be negative numbers. Only PU and PD commands and a ";" as a command delimiter as sometimes many commands are on one line.The offset variable will come from a spinbox but .25 is good for an example.
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Nov 8, 2010
This code is giving me the above said error, this code was written by me 2 years back, can't remember the cause of error at this moment, please help !
Code:
function remove_spaces($input,$i)
{
[code]....
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Oct 20, 2010
I have a column of datetime entries which I sorted to removed duplicate entries.
I have still lots of entries which are adjacent to each other by 1 second.
How would I go about removing any entries which have an offset of the previous or after entry by 1 second?
Code:
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