External monitor quivers on L440, not on Acer

Hi there,
My external monitor quivers when connected to my new Lenovo ThinkPad L440. I does not do it when connected to my 4 year old Acer laptop, is seems perfectly fine there. In both cases connected with the same VGA cable.
It's a constant, tiny flickering, as if every pixel jumps left and right all the time. The external monitor is pretty old, approx 8 years...
Any idea what it could be?
Solved!
Go to Solution.

Are you using a ThinkPad Basic Dock in this configuration? There is a new update available that resolves flickering or black screen on external monitors for the Dock.
See this solution: http://forums.lenovo.com/t5/R-L-Series-ThinkPad-Laptops/L440-L540-External-Monitor-Connected-Via-VGA...
Amy Tupper
Technical Resolution Lead, Pervasive Issues
Lenovo US
ThinkPad T431s, S3 Yoga 14, Helix, Edge 11 & 14, E431, IdeaTab A1107, IdeaPad A1-07, IdeaCentre Horizon, Yoga Tablet 2 10 1051
First computer was a 1980 Commodore 64 from Radio Shack/ GEnie SFRT member from 1993-1996

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# 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
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# Server flags section.
# Input devices
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# Core Pointer's InputDevice section
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# Option "MinY" "15372"
# Option "MaxY" "1230"
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# Option "ReportingMode" "Scaled"
# Option "ButtonNumber" "1"
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# EndSection
# Section "InputDevice"
# Identifier "touchscreen1"
# Driver "elo2300"
# Option "Device" "/dev/ttyS0"
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# Option "MaxX" "3868"
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# Option "ReportingMode" "Scaled"
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# 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
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# is used alone.
# Section "DRI"
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# Each Screen line specifies a Screen section name, and optionally
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# of the primary screen. In this example, screen 2 is located to the
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# 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
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# Multiple FontPath entries are allowed (which are concatenated together),
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# 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"
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# 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
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# Option "XkbModel" "pc105"
# Option "XkbLayout" "us"
# Option "XkbVariant" ""
# Option "XkbOptions" ""
# Option "XkbDisable"
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# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
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# Identifier and driver
# the following line.
# Option "Protocol" "Xqueue"
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# 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
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# Emulate3Timeout is the timeout in milliseconds (default is 50ms)
# Option "Emulate3Buttons"
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Option    "Protocol" "Auto" # Auto detect
Option    "Device" "/dev/input/mice"
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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
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Identifier "My Monitor"
HorizSync 30.0 - 62.0
VertRefresh 50.0 - 70.0
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Identifier "aticonfig-Monitor[0]"
Option    "VendorName" "ATI Proprietary Driver"
Option    "ModelName" "Generic Autodetecting Monitor"
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# 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
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# BusID "PCI:0:10:0"
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Driver "vesa"
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Device "* Generic VESA compatible"
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Depth 8
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Device "aticonfig-Device[0]"
Monitor "aticonfig-Monitor[0]"
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FontPath "/usr/share/fonts/X11/Type1"
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FontPath "/usr/share/fonts/X11/75dpi"
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How to connect a lenovo c200 to an external monitor

Hi to all!
I'm carlo from italy and I need your help.
I have a lenovo 3000 C200 type8922
my screen is broken (see a small black circula area (I close the lapton and a pen was in) with different vertical lines with grey, gree, violet and black colors. If i move the mouse i could see these lines move but i don't see the arrow, i don't see nothing clearly. The pc works because I can turn on or turn off using keyboard tips.
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To get the display on external monitor as it does not need the extra configuration unless some additional feature is required.
I suggest you to connect the external 15" or 17" monitor with display port and transfer the display once you start the laptop do not wait for Windows screen to appear.
Best would be make the laptop boot into BIOS and then transfer the display to external monitor.
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Viewer and External Monitor doesn't playback at same time

When watching clips in the viewer window, they playback fine. But on my external monitor, it only shows the first frame from when it's played. when I stop playback, the external monitor then shows the last frame the Viewer window is stopped on. How can I fix it so that the viewer and external monitor playback the clip at the same time?
At the moment we're digitizing footage with the Offline RT Photo JPEG codec set to 75% quality.
A few days ago we were digitizing footage at 35% quality and that footage plays back fine. We moved to 75% quality at the editor's request. A few days ago we had created a few sample 75% quality tests for the editor to view. I loaded those clips into Final Cut right now and they playback fine as well. So it's all of a sudden just these new clips created yesterday :S.
Message was edited by: Phillip Roh

Yes.
Forgot to mention that the timeline plays all the footage back properly on both the canvas window and the external monitor. Sorry for not mentioning that sooner.
More discoveries! The playback 'freeze' only happens if I open a clip from the browser into the viewer. If I open a clip from the timeline into the viewer, it plays-back fine!
Message was edited by: Phillip Roh

Tecra S2 - resolution for external monitor on NVIDIA GeForce Go 6600

Hello! I'm new here ...
I have a Tecra S2 with Windows XP SP2 and graphic card NVIDIA GeForce Go 6600. Internal resolution (display of notebook) is 1024 x 768. Its work fine. But I work with an external monitor VGA with "DualView" function. It is a Samsung Syncmaster 940N.
It??s all OK (19", resolution 1280 x 1024), with my new monitor Samsng Syncmaster 203B don't work: The external monitor's native resolution is 1400x1050 but the maximal resolution available is 1280 x 1024. And so, using 1280x1024 resolution, will cause the image on the external monitor and text is not clear.
I cannot set the 1400 x 1050 resolution via Control Panel nor via NVIDIA -menu.
Graphic card drivers are updated to the last version on the Toshiba site. Graphic card NVIDIA GeForce Go 6600 is supported from my monitor Syncmaster 203B.
Max. resolution for external video of NVIDIA GeForce Go 6600 is higher as 1400 x 1050.
I need to use this new monitor, can you help me?
Many thanks in advance!

Unfortunately the Tecra S2 isn't capable to display the resolution 1400x1050.
Here are the resolutions you can use.
Support Resolution/Color(CRT)
640x480 16bit/32bit colors(Depending on CRT)
800x600 16bit/32bit colors(Depending on CRT)
1024x768 16bit/32bit colors(Depending on CRT)
1280x1024 16bit/32bit colors(Depending on CRT)
1400x1050 N/A
1600x1200 16bit/32bit colors(Depending on CRT)
1920x1440 16bit/32bit colors(Depending on CRT)
2048x1536 16bit/32bit colors(Depending on CRT)
May you find an enhanced but not official driver here: http://www.laptopvideo2go.com/enhancer

External Monitor

I have an external monitor for my macbook pro. How do I work on both monitors? Presently the same thing that is on my labtop is on my monitor and with the external monitor the dock is not displayed on either monitor.

Welcome to Apple Discussions
When the external monitor is connected run System Preferences/Displays and you will see a control panel for each monitor.
For an extended Desktop (stretches a across both screens) uncheck "Mirror"
To select which screen the Dock appears on click the Arrangement Tab and drag the screens into the arrangement you want the the Dock to the desired position.

I was trying to extent monitor, I get black screen on laptop and external monitor :/

so I have this hdmi cable that plugs into the DVI on my external monitor.
I did get the screen to show up just on the external monitor and that's it. Now, when I boot up my lap top I get black screen on both monitors. Uh oh.
I've unpugged the monitor, batter, all that stuff.
I think it's possible I clicked on don't display external monitor or something, but not it's not displaying anywhere.
I have an idea pad of some sorts w/ windows 8. I don't think it's 8.1
thanks
-Hayes

so I got this resolved. the guy at the computer store hit f10 and then enter. he did this while the screen was black
shouldnt' it just detect that there's not an external monitor? but even when there was a monitor connected, both screens were black.
/thread

External monitor quivers on L440, not on Acer

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