Multi Monitor messes up laptop screen?

I have a 15" Retina MB Pro, got it when they first came out. Had the display replaced with the Samsung after the ghosting issue. But this happened randomly before that, and now it's every single time.
I have a 24" 1920x1080 external monitor I connect to via HDMI. I also have, on my laptop screen, some icons on the left edge, top edge, and right edge, so I can hit a few things here and there without having to minimize whatever I'm working on at the time if I need to do something else. These are mostly just some folders and text icons, not apps.
But what happens is that when I plug in the external monitor, the icon positions change. And it's not consistent. Sometimes they change so it's like the external monitor is just part of a virtual monitor, and my top row on the laptop moves to the middle of the laptop and extends across the middle of the external display. Sometimes when I plug in the external monitor, my "actual" desktop shrinks up to a small spot on the top left, like some crunched version of my actual desktop. Other times that happens, as well as getting a small silver plane shape from what would be the "dock" on that tiny screen. Now, regardless of what happens, my entire screen on the laptop is still usable, resolution isn't changing, and the entire desktop on the 1920x1080 external monitor is usable - it's just the desktop that gets totally screwed up as far as the icons go. If I unplug the monitor, they revert back to "normal" on the laptop display.
It used to just happen once in a while. Then it started happening more often, and now it's to the point where I may have to unplug and replug the HDMI 70 or 80 times to try to get the desktop to not screw up like this. At this rate I'll wear out the HDMI port in a month or so.
Any suggestions? One of my zillion google searches for this turned up someone who specified a plist file to delete, which I did, but that didn't solve the issue...
If it were at least CONSISTENT on way or another (screwed up across both screens, or always giving me that mini fraction of my latpop desktop on the top left of the retina display) it wouldn't be as bad as this, espeically since sometimes it *DOES* work as expected - I plug my external monitor in, and there's the second desktop waiting for me to drag stuff to it.
No, it's not set to mirror.
Thanks for any ideas, this is driving me absolutely nuts since I waste so much time on it every day. I'm about ready to nuke the laptop and rebuild everything from scratch but that's such a pain, and would just make me think of my windows days when I used to do that far more often than I do now...
MBP is current (10.8.3) wiht all updates, 8GB RAM and quad i7 processer model.

sorry did not completely read your post hehe
try to check the monitors maximum capabilities, apple can output 1920 by 1200
also check for the wide settings as well if the monitor is a wide one.
also, there are some issues with regards to windows running on mac missing drivers is most likely your problem see link of intel http://www.intel.com/support/graphics/sb/CS-022544.htm#native_resolution
mac on the other hand supports the full 1920x1200 output since its their product

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[Solved] Setting up dual monitor + laptop screen on Alienware M17xR4

Hi everyone,
My apologies in advance if this has been asked before, I was not able to find any relevant information for this anywhere. I have Alienware M17xR4 with nvidia GTX660M graphics card. I also two extra 24" Asus VS248 monitors besides my laptop screen. They are connected via HDMI and DisplayPort (DVI on the monitor) and I want to have all 3 displays working, if that is not possible, then two monitors working side-by-side.
The problem is that I have not been to able to work the two monitors so far, I did at one point managed to make one big screen out of these two monitors but I want a Windows-like behaviour wherein I can drag the two windows between two screens and maximise them on individual monitors. Right now I have completely messed up my display in such a manner that the TTY1 gets stuck on the boot while trying to start the login manager. I can however boot through TTY2 (ALT+F2) and change any configuration.
I have tried deleting xorg.conf and then regenerating it via nvidia-conf but that doesn't help either.
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Last edited by babbupandey (2015-06-05 05:47:01)

Hello i think i may be able to help with your problem, i had a similar one
I have an alienware m14xr2 and i also tried to do the same but i noticed when using the nvidia card with the nvidia drivers i had a problem, i assume that the external display is connected to the intel card, as it worked perfectly with the intel only driver setup. To fix this issue I use bumblebee, the nvidia optimus alternative for Linux which uses the intel card as primary, allowing me to use both external and internal displays in extended mode, and run what i need on the nvidia card and pull it over with a virtualgl bridge, i even seam to get a performance increase with bumblebee over the regular nvidia drivers running all the time (only when using primus).
https://wiki.archlinux.org/index.php/bumblebee
Here is a link to the bumblebee page i used, though i had problems setting up that i found many alienware users had that can be fixed in the troubleshooting area bellow "[ERROR]Cannot access secondary GPU: No devices detected"
I noted many alienware uses had this problem in my search.
Also the package arandr is an xrandr front end may help in the initial setup as i had problems using the display config built into cinnamon to do this.
https://www.archlinux.org/packages/comm … ny/arandr/
Now hopefully this makes at least dual screen working, i use dual with hdmi, and the vga should work ok for your third screen, but im not sure about the display port, never tried it and i believe it is on the Nvidia card, but there are instructions on the wiki page above you may be able to use about multiple monitors when the output is on the other card that may help, again try the vga first works on mine.
As for fixing your current xorg issues, i also did a thing in my attempts to get a working situation and eventually gave up, in the end reinstalled arch and followed the wiki and it worked, but mabye try removing all of x org and your display environment and re-install as per the bumblebee wiki.
i hope this helps you get multiple monitors, i know how amassing they are to use

Any 3rd party utilities that fix full screen mode for multi-monitor users?

I am a multi-monitor user. As multi-monitor users know, full screen mode is basically useless since if you try to go full screen on one monitor, it causes the other monitor to go blank and become unusable (at least with most programs). Are there any 3rd party utitilities or fixes for this?
Thanks

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So, you say people have been asking about this for 2 years, I've been asking for this for 5!
The issue here is, the only answer is to not use it. Making Mission Control and Fullscreen apps completely ignored by people like us, where I could be using both functions to glide around my work station and three monitors, mixing and matching which apps I want to be viewed on each separate monitor, to perform one single task; together.
It would actually reward people who wanted to utilize Thunderbolt technology and have more then one monitor.
There is no telling why apple chose to push out something that would only support the casual user, with one display, but the only direct way to let apple know that we feel limited by the OS is to send feedback. Even though it seems that we are powerless in this situation, I hope that they do consider how to make this function better.
</rant>

Mouse pointer is unchangeable at 100% scaling in multi monitor setup with different resolutions

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Hope you can help us<o:p></o:p>
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Jon M<o:p></o:p>

Hi Jon,
I'm looking into this issue but it will take me some time to provide a reply.
In the meantime I noticed that you have 3 monitors with 1x 55' and 2x27' - please have a try to only connect 1x27' monitor and see if issue persists.
Also please try to change the screen resolution to a lower size and see if issue persists.
Both suggestions are not solution, I just would like to know if it is related to multiple monitor or screen resolution.
If you have any feedback on our support, please send to [email protected]

Laptop Screen + 2 Monitors

I'm running my T420 on a docking station.
Basically, I want to use the laptop screen and two separate monitors.
Is this possible?
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Solved!
Go to Solution.

You have several options.
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2. eGPU/Vidock
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Regards,
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May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

Laptop screen messed up.

Hi, I have a Hp probook 4540s with a Windows 7 operating system and when I was playing a game all of a sudden my laptop screen went to a screen where the color was all messed up. At first I thought it was the heat because my room can get pretty hot. So I waited a few mins but when it started up again it went to the screen with messed colors. I don't know what to do and I am out of ideas.

First thing to do is figure out if it is the screen or the motherboard. Attach a monitor to the video output port and boot up the system. One of the function keys (f3 or 4 likely) will have an icon of a monitor on it. Tap that key as you power up to see if you can get a picture on the monitor. If so, the problem is the screen. If the picture on the monitor is also garbled the problem is the video chip on the motherboard. Please post back with results for further help if you wish.

How to blank laptop screen when using external monitor/

Hi there
I need some help with figuring out how to configure my xorg.conf for my Arch Linux 64 bit installation on a HP Pavilion dv 5000 laptop so that I can automatically blank my laptop screen when using an external monitor. I have Arch Linux installed along with Ubuntu Feisty. In Ubuntu my external monitor (Viewsonic 1912WB) was not detected at the time of installation but with the native 1280X800 resolution that is good for the laptop takes effect for the external monitor automatically when the external monitor is plugged in. The laptop monitor goes blank when the external monitor is plugged in.
In my Arch Linux installation I have not been able to configure a dual head configuration using the ATI Radeon drivers (fglrx). I have the native 1280X800 resolution set up for the laptop monitor and this resolution takes effect for the external monitor also. However the laptop monitor also continues to function when the external monitor is plugged in. I would like to blank the laptop monitor when using the external monitor.
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I am using XFCE as my Desktop environment.
Arch Linux xorg.conf
# File generated by xorgconfig.
# Copyright 2004 The X.Org Foundation
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# The X.Org Foundation BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# Except as contained in this notice, the name of The X.Org Foundation shall
# not be used in advertising or otherwise to promote the sale, use or other
# dealings in this Software without prior written authorization from
# The X.Org Foundation.
# Refer to the xorg.conf(5) man page for details about the format of
# this file.
# Module section -- this section is used to specify
# which dynamically loadable modules to load.
# Files section. This allows default font and rgb paths to be set
# Server flags section.
# Input devices
# Core keyboard's InputDevice section
# Core Pointer's InputDevice section
# Other input device sections
# this is optional and is required only if you
# are using extended input devices. This is for example only. Refer
# to the xorg.conf man page for a description of the options.
# Section "InputDevice"
# Identifier "Mouse2"
# Driver "mouse"
# Option "Protocol" "MouseMan"
# Option "Device" "/dev/mouse2"
# EndSection
# Section "InputDevice"
# Identifier "spaceball"
# Driver "magellan"
# Option "Device" "/dev/cua0"
# EndSection
# Section "InputDevice"
# Identifier "spaceball2"
# Driver "spaceorb"
# Option "Device" "/dev/cua0"
# EndSection
# Section "InputDevice"
# Identifier "touchscreen0"
# Driver "microtouch"
# Option "Device" "/dev/ttyS0"
# Option "MinX" "1412"
# Option "MaxX" "15184"
# Option "MinY" "15372"
# Option "MaxY" "1230"
# Option "ScreenNumber" "0"
# Option "ReportingMode" "Scaled"
# Option "ButtonNumber" "1"
# Option "SendCoreEvents"
# EndSection
# Section "InputDevice"
# Identifier "touchscreen1"
# Driver "elo2300"
# Option "Device" "/dev/ttyS0"
# Option "MinX" "231"
# Option "MaxX" "3868"
# Option "MinY" "3858"
# Option "MaxY" "272"
# Option "ScreenNumber" "0"
# Option "ReportingMode" "Scaled"
# Option "ButtonThreshold" "17"
# Option "ButtonNumber" "1"
# Option "SendCoreEvents"
# EndSection
# Monitor section
# Any number of monitor sections may be present
# Graphics device section
# Any number of graphics device sections may be present
# Standard VGA Device:
# Device configured by xorgconfig:
# Screen sections
# Any number of screen sections may be present. Each describes
# the configuration of a single screen. A single specific screen section
# may be specified from the X server command line with the "-screen"
# option.
# ServerLayout sections.
# Any number of ServerLayout sections may be present. Each describes
# the way multiple screens are organised. A specific ServerLayout
# section may be specified from the X server command line with the
# "-layout" option. In the absence of this, the first section is used.
# When now ServerLayout section is present, the first Screen section
# is used alone.
# Section "DRI"
# Mode 0666
# EndSection
Section "ServerLayout"
# The Identifier line must be present
# Each Screen line specifies a Screen section name, and optionally
# the relative position of other screens. The four names after
# primary screen name are the screens to the top, bottom, left and right
# of the primary screen. In this example, screen 2 is located to the
# right of screen 1.
# Each InputDevice line specifies an InputDevice section name and
# optionally some options to specify the way the device is to be
# used. Those options include "CorePointer", "CoreKeyboard" and
# "SendCoreEvents".
Identifier "Simple Layout"
Screen 0 "aticonfig-Screen[0]" 0 0
InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"
EndSection
Section "Files"
# The location of the RGB database. Note, this is the name of the
# file minus the extension (like ".txt" or ".db"). There is normally
# no need to change the default.
# RgbPath "/usr/share/X11/rgb"
# Multiple FontPath entries are allowed (which are concatenated together),
# as well as specifying multiple comma-separated entries in one FontPath
# command (or a combination of both methods)
# FontPath "/usr/share/fonts/TTF"
# FontPath "/usr/share/fonts/Type1"
# FontPath "/usr/lib/X11/fonts/local/"
# FontPath "/usr/lib/X11/fonts/misc/"
# FontPath "/usr/lib/X11/fonts/75dpi/:unscaled"
# FontPath "/usr/lib/X11/fonts/100dpi/:unscaled"
# FontPath "/usr/lib/X11/fonts/Speedo/"
# FontPath "/usr/lib/X11/fonts/Type1/"
# FontPath "/usr/lib/X11/fonts/TrueType/"
# FontPath "/usr/lib/X11/fonts/freefont/"
# FontPath "/usr/lib/X11/fonts/75dpi/"
# FontPath "/usr/lib/X11/fonts/100dpi/"
# The module search path. The default path is shown here.
# ModulePath "/usr/lib/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
EndSection
Section "Module"
# This loads the DBE extension module.
# This loads the miscellaneous extensions module, and disables
# initialisation of the XFree86-DGA extension within that module.
# This loads the font modules
# Load "type1"
# This loads the GLX module
# Load "glx"
# This loads the DRI module
# Load "dri"
Load "dbe" # Double buffer extension
SubSection "extmod"
Option    "omit xfree86-dga" # don't initialise the DGA extension
EndSubSection
Load "freetype"
# Load "xtt"
EndSection
Section "InputDevice"
# For most OSs the protocol can be omitted (it defaults to "Standard").
# When using XQUEUE (only for SVR3 and SVR4, but not Solaris),
# uncomment the following line.
# Option "Protocol" "Xqueue"
# Option "Xleds" "1 2 3"
# Option "LeftAlt" "Meta"
# Option "RightAlt" "ModeShift"
# To customise the XKB settings to suit your keyboard, modify the
# lines below (which are the defaults). For example, for a non-U.S.
# keyboard, you will probably want to use:
# Option "XkbModel" "pc105"
# If you have a US Microsoft Natural keyboard, you can use:
# Option "XkbModel" "microsoft"
# Then to change the language, change the Layout setting.
# For example, a german layout can be obtained with:
# Option "XkbLayout" "de"
# or:
# Option "XkbLayout" "de"
# Option "XkbVariant" "nodeadkeys"
# If you'd like to switch the positions of your capslock and
# control keys, use:
# Option "XkbOptions" "ctrl:swapcaps"
# These are the default XKB settings for Xorg
# Option "XkbRules" "xorg"
# Option "XkbModel" "pc105"
# Option "XkbLayout" "us"
# Option "XkbVariant" ""
# Option "XkbOptions" ""
# Option "XkbDisable"
Identifier "Keyboard1"
Driver "kbd"
Option    "AutoRepeat" "500 30"
# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
Option    "XkbRules" "xorg"
Option    "XkbModel" "pc104"
Option    "XkbLayout" "us"
EndSection
Section "InputDevice"
# Identifier and driver
# the following line.
# Option "Protocol" "Xqueue"
# Mouse-speed setting for PS/2 mouse.
# Option "Resolution" "256"
# Baudrate and SampleRate are only for some Logitech mice. In
# almost every case these lines should be omitted.
# Option "BaudRate" "9600"
# Option "SampleRate" "150"
# Mouse wheel mapping. Default is to map vertical wheel to buttons 4 & 5,
# horizontal wheel to buttons 6 & 7. Change if your mouse has more than
# 3 buttons and you need to map the wheel to different button ids to avoid
# conflicts.
# Emulate3Timeout is the timeout in milliseconds (default is 50ms)
# Option "Emulate3Buttons"
# Option "Emulate3Timeout" "50"
# ChordMiddle is an option for some 3-button Logitech mice
# Option "ChordMiddle"
Identifier "Mouse1"
Driver "mouse"
Option    "Protocol" "Auto" # Auto detect
Option    "Device" "/dev/input/mice"
# When using XQUEUE, comment out the above two lines, and uncomment
Option    "ZAxisMapping" "4 5 6 7"
# Emulate3Buttons is an option for 2-button mice
EndSection
Section "Monitor"
# HorizSync is in kHz unless units are specified.
# HorizSync may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY. REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
# HorizSync 30-64 # multisync
# HorizSync 31.5, 35.2 # multiple fixed sync frequencies
# HorizSync 15-25, 30-50 # multiple ranges of sync frequencies
# VertRefresh is in Hz unless units are specified.
# VertRefresh may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY. REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
Identifier "My Monitor"
HorizSync 30.0 - 62.0
VertRefresh 50.0 - 70.0
EndSection
Section "Monitor"
Identifier "aticonfig-Monitor[0]"
Option    "VendorName" "ATI Proprietary Driver"
Option    "ModelName" "Generic Autodetecting Monitor"
Option    "DPMS" "true"
EndSection
Section "Device"
# The chipset line is optional in most cases. It can be used to override
# the driver's chipset detection, and should not normally be specified.
# Chipset "generic"
# The Driver line must be present. When using run-time loadable driver
# modules, this line instructs the server to load the specified driver
# module. Even when not using loadable driver modules, this line
# indicates which driver should interpret the information in this section.
# The BusID line is used to specify which of possibly multiple devices
# this section is intended for. When this line isn't present, a device
# section can only match up with the primary video device. For PCI
# devices a line like the following could be used. This line should not
# normally be included unless there is more than one video device
# intalled.
# BusID "PCI:0:10:0"
# VideoRam 256
# Clocks 25.2 28.3
Identifier "Standard VGA"
Driver "vga"
VendorName "Unknown"
BoardName "Unknown"
EndSection
Section "Device"
#VideoRam 131072
# Insert Clocks lines here if appropriate
Identifier "* Generic VESA compatible"
Driver "vesa"
EndSection
Section "Device"
Identifier "aticonfig-Device[0]"
Driver "fglrx"
EndSection
Section "Screen"
Identifier "Screen 1"
Device "* Generic VESA compatible"
Monitor "My Monitor"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 8
Modes "1280x800" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1280x800" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1280x800" "800x600" "640x480"
EndSubSection
EndSection
Section "Screen"
Identifier "aticonfig-Screen[0]"
Device "aticonfig-Device[0]"
Monitor "aticonfig-Monitor[0]"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Ubuntu xorg.conf
# /etc/X11/xorg.conf (xorg X Window System server configuration file)
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
# Edit this file with caution, and see the xorg.conf(5) manual page.
# (Type "man xorg.conf" at the shell prompt.)
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg
Section "Files"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
# path to defoma fonts
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection
Section "Module"
Load "i2c"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "vbe"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "true"
EndSection
Section "InputDevice"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizScrollDelta" "0"
EndSection
Section "InputDevice"
Driver "wacom"
Identifier "stylus"
Option "Device" "/dev/input/wacom"
Option "Type" "stylus"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection
Section "InputDevice"
Driver "wacom"
Identifier "eraser"
Option "Device" "/dev/input/wacom"
Option "Type" "eraser"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection
Section "InputDevice"
Driver "wacom"
Identifier "cursor"
Option "Device" "/dev/input/wacom"
Option "Type" "cursor"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection
Section "Device"
Identifier "ATI Technologies Inc ATI Radeon XPRESS 200M 5955 (PCIE)"
Driver "ati"
BusID "PCI:1:5:0"
EndSection
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
EndSection
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies Inc ATI Radeon XPRESS 200M 5955 (PCIE)"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1280x800"
EndSubSection
SubSection "Display"
Depth 4
Modes "1280x800"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x800"
EndSubSection
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Xrandr 1.2 provides means for this. But today the only supported configuration is xorg-server-1.3 + xf86-video-intel-2.0. So for Radeon you'll have to wait for drivers that support Randr 1.2.
On my laptop (Thinkpad x60s) that would be:
xrandr --output VGA --auto
xrandr --output LVDS --off

How can i get my laptop screen to display on a second monitor after closing the laptop

I have a 13" MacPro, love it, but its display is a little small for how far away i sit at my desk. I have a second 21" monitor that i would like to use for this purpose, but whenever i close the laptop screen it shuts down the signal for the second screen as well. Is there a setting that i am missing to be able to close the laptop and still use my monitor?

Hi AmandaBenton,
The article below will explain how to use an external display with your Macbook Pro.
The "Mirror Displays" option will show whatever you are seeing on your Macbook Pro on your TV screen.
How to use multiple displays with your Mac
Video mirroring
Mirroring displays the same image on each display.
Make sure your additional display is properly connected and powered on.
From the Apple () menu, choose System Preferences.
From the View menu, choose Displays.
Click the Arrangement tab.
Enable (check) "Mirror Displays" in the bottom-left corner.
I hope this information helps ....
Have a great day!
- Judy

External monitor works only works when laptop screen displays

Hi there, I just connected a different (newer, but not brand new) external monitor to my T61. When I toggle screens (fn-f7) the external display gets no signal in the 'external display only' position, but displays beautifully in the 'both' position. This never happened with my old monitor. I would like to use the external display and not have the laptop screen display. Any ideas? Many thanks, Ellen

H
Try this:
After connecting external monitor, press win key+p and thrn choose projector only.
Have a nice day
Ishaan Ideapad Y560(i3 330m), Hp Elitebook 8460p!(i5-2520M) Hp Pavilion n208tx(i5-4200u)
If you think a post helped you, then you can give Kudos to the post by pressing the Star on the left of the post. If you think a post solved your problem, then mark it as a solution so that others having the same problem can refer to it.

Using Laptop screen as second monitor?

Hey gusy,
I have a Mac Pro and a MacBook Pro. With the Mac Pro I have just the one screen - used to have two, but now just the one as I rarely need it. However, for a job I'm doing at the moment, it would be handy to have the use of two screens. Do you know if it's possible to hook both computers up and use the LapTop screen as a second monitor for my Mac Pro?

James Arter1 wrote: ... older Mac Pro's, so no Thunderbolt :-(
Then it seems you can't use your LapTop as a second monitor for Mac Pro.
An external monitor would seem to be the least cost path to more display.
Message was edited by: EZ Jim
Mac OSX 10.7.4

Connect laptop to a external monitor with laptop screen off

I need to connect my laptop to an external monitor but i need my laptop screen off.
Is it possible? I use an hdmi or vga connection, gnome as DE and ati 5700 graphic card

mm...
try on a terminal "xrandr"
first type xrandr to know the name of the two displays... then
xrandr --output laptopdisplayname --off --output monitorname --preferred
That will turn of the laptop display and turn on the monitor....
But I don't know if that command runs on gnome.. if it runs try to download "arandr" gui app of xrandr from yaourt
Last edited by vigohe (2010-12-20 03:36:54)

[SOLVED] Connecting extra Monitor, laptop screen goes black.

Whenever i connect a additional monitor through HDMI (my only output), the laptop screen goes black. If i do FN + external_monitor switch, then the laptop screen turns on but the external monitor turns off.
If you move the mouse you can feel that the desktop has been extended as i wanted, it is just that one of the screens keeps going black. The gnome display settings show both screens as active, the menu is so minimalistic that there is not much to do.
system
[cristobal@orion ~]$ uname -a
Linux orion 3.11.4-1-razer #1 SMP PREEMPT Tue Oct 8 12:31:50 CLST 2013 x86_64 GNU/Linux
As a side note, the custom kernel is almost identical to the original archlinux one, just that USB 3.0 module is disabled.
some packages
[cristobal@orion ~]$ pacman -Q nvidia-dkms bumblebee bbswitch-dkms nvidia-utils gnome-desktop
nvidia-dkms 325.15-2
bumblebee 3.2.1-3
bbswitch-dkms 0.7-1
nvidia-utils 325.15-1
gnome-desktop 1:3.10.0-1
Any ideas?
Last edited by labotsirc (2013-10-15 18:33:18)

The problem is now fixed,
For some weird reason, this time the gnome settings did work. Must have been some sort of rare bug that now i cannot reproduce.
Last edited by labotsirc (2013-10-15 18:32:53)

Using ext monitor for timeline and laptop screen as preview?

is it possible that when i connect my external monitor to my macbook pro i can use the external for the timeline and the laptop screen for the previewing?
cheers

I'm trying to do this exact same thing and am coming to the conclusion that it is not possible given my setup. I have a MacBook Pro 2.2 Intel Core 2 Duo with 4GB of RAM and a NIVIDIA GeForce 8600M GT Graphics Card. I'm running FCS 3 and all media is read from a 1TB Seagate 7200 SATA drive read through a SeriTek 2SM2 PCI card in the Express Slot.
You can easily arrange your monitors to do what you're asking (as outlined above), but the problem is the Graphics Card is not powerful enough to run both monitors and you will experience dropped frames with any HD codecs. I've tried XDCAM, DVCPROHD and ProRes 422 -- all dropped frames immediately. In fact, even if I use the "closed clamshell" mode, so the graphics card is powering ONLY the external monitor, I still get the same dropped frames issue. The only way I can edit or play back without dropped frames is by using NO external monitor whatsoever.
Is this a unique problem for me? Is there a solution to this? Would the new 17 inch i5's with a NVIDIA GeForce GT 330M (512MB) be able to power an external monitor?
EDIT: And the External Monitor is a Dell 2408WFP connected through the DVI port.
Message was edited by: Mr. Landers

Show separate documents on laptop screen and monitor

I just set up my new monitor and the screen is identical to the screen on my laptop. I purchased the monitor so that I could work with two separate documents at the same time--one on my laptop screen and the other on the monitor. How do I set this up.

R1200GS, welcome to the forum.
Since I don't know which OS you are using, I have given you the instructions for Win 7. I believe all you have to do is open the two documents that you want to view and move one of them to the other monitor. If the second monitor is on the right side (facing the screen), move the document to the right side and it should show on the second monitor. You will have to set this up in the Control Panel / Display / Change display settings. You should see Monitor 1 and Monitor 2. If you don't know which is 1 and which is 2, simply right click on one of them and select "Identify". This will momentarily show the numbers on the screen of the monitors.
Please click the "Thumbs Up+ button" if I have helped you and click "Accept as Solution" if your problem is solved.
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Tecra S1 blank laptop screen, but monitor plugged in works fine.

Hi All,
I have a problem with my S1 in that if I boot it up, nothing appears on the screen, no promt no loading screen nothing. However if I plug a monitor in it the display appears on the monitor (laptop screen will still be blank) if I press FN & F5 nothing happens.
I hadnt made any changes, just hadnt used it for a while, last time i used it was on a big screen.
Can anyone help, its driving me mad?
Cheers
Simon.

Hi,
I would recommend you to contact a servicepartner from toshiba, since the problem of your machine maybe just a loose cable is.
I had a friend with the same problem and they refitted the displaycable, after refitting everything was OK.
Heres a link to a global ASP-locator
http://eu.computers.toshiba-europe.com/cgi-bin/ToshibaCSG/generic_content.jsp?service=EU&ID=ASP_SUPPORT
Greets

Multi Monitor messes up laptop screen?

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