2nd monitor says in input - what to do?

Hello. I have been having trouble getting a 2nd monitor to connect with my computer on the windows side. Two days ago the monitor just quit working and says no input when I turn it on. I have checked drivers for HP, nvidia, and updated my apple software on the mac side.
Two days ago suddenly the monitor began working. I have no idea why. I suspected that updating the apple software might have finally kicked. It worked for awhile yesterdat morning but then suddenly quit and I've not been able to get it started again.
Any ideas would be appreciated.
Michael

Hi again Loner T. OK I read over all again. Let me see if I understand what you are saying to do:
First, download bootcamp software from apple-support-downloads. I found a place where it linked my computer to files and took me to bootcamp 4.0.4033. I follow directions on the apple site where it says to double click the file to uncompress it and then save all to a usb flash drive. That's what you mean above I think. I am gathering I download this on the apple side?
Open windows.
Go through and uninstall each of the windows drivers provided by apple that you have pictured above.
Then follow instructions on the apple website per what you say above by clicking on setup.exe.
This should reinstall the windows drivers and correct problems that downloads from windows may have created. Is that correct? I am thinking, however, that this is not the source of my problems. The install date on all these is 7-18-12 rather than a recent update that might have caused problems.
So I can do this. However, this doesn't deal with the issue of the nvidia graphics display card. Again, following other online suggestions for a clear install I deleted this file. The display card now does not show up in the Device Manager nor is there an Nvidia control panel in the control panel window. (The nvidia control panel, however, is still listed in Programs and Features as is a file called Nvidia drivers. What to do about this? I am assuming that this is needed for the display. I know the nvidia control panel was where I could see the connection with the monitor when this was working properly.
Thanks. Michael

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In windows 2nd monitor says no input - what display drivers are used and how can I update them?

HI. I am using windows side of my macbook pro. Yesterday, for some reason, the computer quit recognizing my 2nd monitor. Nvidia is one of the drivers used but I have updated this and it is not working still. Someone said that I should contact the maker of the laptop, apple, and get graphics drivers from them. But I don't know how to do this. Help would be appreciated.
Michael

Back up all data.
Triple-click anywhere in the line below on this page to select it:
~/Library/Containers/com.apple.iBooksX
Right-click or control-click the line and select
Services ▹ Reveal in Finder (or just Reveal)
from the contextual menu.* A folder should open with an item selected. Quit the application if it's running. Move the selected item to the Trash. Relaunch the application and test.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
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Lost 2nd monitor

First off:
running OS X 10.4.8
on a: Power Mac G5
Machine Model: PowerMac7,2
CPU Type: PowerPC 970 (2.2)
Number Of CPUs: 2
CPU Speed: 1.8 GHz
L2 Cache (per CPU): 512 KB
Memory: 512 MB
Bus Speed: 900 MHz
w/ nVIDIA GeForce FX 5200
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I recently lost support for my 2nd monitor. No idea what I did. Both monitors work, both cables work, Dr. Belkin adc-dvi works, adc out works, dvi out works. But as soon as I plug in the second monitor, the first one cuts out & only shows the second one. (How does it know?) & Displays Prefs only sees one monitor connected. It won't recognize the second (actually first) monitor.
It seems like I need to allocate more memory to displays, but in OSX it's supposed to be automatic, right? Do I need to do an archive & re-install of the OS? (I HATE THAT: I always lose something.)
This is what I was doing: I had attempted to install more RAM. The RAM didn't work, because even though they were installed in "matched" pairs, they weren't truly matched: Apple had run out of matched pairs, and sold me two same-sized pairs from different manufacturers, one was high density, one was not. That didn't work, of course. But I still had dual monitor support.
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I've searched the other threads and none of their problems seem relevant (mostly bad or incompatible card problems). Apologies if I missed something.
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Thanks, djangosan

Thanks for the advice.
I reset the nvram and the pram, I pushed the button for the PMU, but out of fear of pushing it twice (does a finger work or do you need to push the button in with, say a pen tip) I'm not sure I pushed it hard enough (will try it again).
Checked the seating of the video card and cables, and the fan (oddly enough, I still haven't heard it kick on yet, though). Ran a test on TechTools & it showed no problems. But it said I needed to update my TechTools, did that and lost its use. (I can't find my original disc with serial numbers, so I'm screwed.)
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Thoughts?-j

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I have just received my MBP yesterday and, when I attempted to attach it via DVI to VGA adapter to my Acer AL2016W flat panel LCD, the monitor told me "input not supported". I was under the impression VGA is VGA is VGA. Perhaps I am mistaken. There is no DVI port on this monitor so I am, essentially, screwed ATM unless I purchase yet another monitor - this one is less than a year old. I require my MBP to be attached to an external monitor due to a disability, and am not sure what to do. I don't believe it to be an isolated issue, especially after viewing some of the other posts about the graphics card being an issue as well. I wish Apple would come forward with a resolution. I realize this issue has probably been posted somewhere already, however I am unable to sift through all the posts due to the aforementioned disability and inability to attach to external monitor. I just can't sit here for that long, so I offer my apologies.

First off, are you connecting in the proper sequence? That is:
1. MBP and monitor powered on
2. connect monitor's VGA cable to the DVI-to-VGA adapter
3. connect DVI-to-VGA adapter to the MBP's DVI port
In that way, the MBP should autodetect the monitor and set the resolution appropriately. Else, the output resolution of the MBP may not suit the monitor, and the monitor will give a "not supported" error.
As a side note, have you considered the options in System Preferences > Universal Access? Options include Zoom, VoiceOver (spoken screen selections), making the cursor larger, and other enhancements for the visually impaired.
Hope this helps...

MacBook Pro performance issues w/2nd monitor and FCP7

I have this MacBook Pro bought brand-new in January 2010:
Model Name: MacBook Pro
Model Identifier: MacBookPro5,2
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 6 MB
Memory: 8 GB
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Wow, you posted this perfectly to coincide with an identical problem, albeit using Logic Pro 9.1.5 rather than FCP.
Last week, I purchased a 23" external monitor to use alongside my "flagship" 2011 15" hi-res, 2.3 i7 Macbook Pro with 8Gb of RAM.
It is connected via a mini-DVI to D-sub analog (not that that should matter?) and all appeared fine.
The first issue I had was with my MBP's fan now running CONSTANTLY, when I have the second monitor attached. Even when the machine is completely idle.
When using the machine to record audio, this is a fairly hefty problem and not something I had anticipated - indeed why would I anticipate such a thing?
What is far, far worse though is that over the last few days I have had repeated problems with performance drop-outs and errors in Logic and I have trying to fathom out why. Realising that the only major system change made, was the above monitor connection, I ran some tests.
I restarted my MBP, no other apps were running and with my new 23" monitor attached acting as main display with MBP built in display on as secondary
I loaded up a fairly demanding Logic project which was hitting 40% to 60% CPU usage when using the built in MBP display last week
I ran activity monitor and had CPU usage history open
The above project now repeatedly overloads and playback halts in a given 8 bar section - with CPU at 80% most of the time
I disconnected the external display, no shut down, I just let the machine switch to the built in 15".
Started the same project, the same 8 bar section and hey presto - CPU usage back down to 40% to 60%
The above was reflected in the CPU usage history with the graph showing CPU use down by about a half, when running this Logic project WITHOUT the external display.
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2nd Monitor won't work

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I was less than pleased when 800 tech and supervisor suggested I take it to a repair center. A week old? I have put way too much setup and data transfer into the new HP to go back to the retailer for a replacement.
Techs didn't know, but could there be a DVI-X with the same pins that also fits

Eldric, did you update to the latest video driver from nVidia? It sounds to me like a driver problem. Update and let us know if that solves your problem.
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Mac Pro 3.1 (early 2008) lags since I connected a 2nd monitor - HELP!!

Hey guys,
I just bought a 2nd monitor and i have lags every 5 seconds which
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Logic 9.1 and use one monitor everything runs nice and smoothely
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in logic 9 ?!
I want to run Logic 9 and an analyzer software (Spectre from AudiofileEngineering)
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The problem/lags also occur when i sync the monitors.
Would a 2nd graphics card be a solution? But as I said
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Hey all,
I wasn't able to fix this yet.
I did everything I can think of. I even tried to wire
one monitor with a VGA cable but it didn't help.
I even have small lags when I am moving the Safari window
between the 2 monitors. Really little lags then but they
definitely are noticeable. I can make a video of that
if that would help someone understanding.
Hope there is someone out there who can help me with this.
Thanks already for any advice!
Cheers,
Rick
Edit: Do you think a new graphics card like the ATI 4870 would
help it? But I really don't want to spend more money just to
have 2 monitors while i have already 2 dvi connections on the
ati 2600XT.
Message was edited by: RickUnique

Lightroom 4.2 - Experiencing problems with images viewed on 2nd monitor

Hi All,
This problem seems to have started with my updating from 4.1 to 4.2. I have my second monitor set as Loupe - Normal and Fit. As I crop an image on my main monitor, the 2nd monitor view does not always change to the cropped view. If I switch to a different photo and then back to the one I just cropped, the 2nd monitor view will then show the cropped image, but it is almost always blurry. Sometimes I can click the image in the 2nd monitor view to change to a 1:1 view and it will look sharp, and then click again back to Fit and then it too will be sharp. Other times I get a message in the 2nd monitor view that says "no image selected" and bouncing back and forth between a different image will correct this.
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Below is the suggested information to provide...
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Have you installed the recent updates? Yes, 4.2
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What kind(s) of image file(s)? All images are converted to .dng upon import
If you are getting error message(s), what is the full text of the error message(s)? No error messages.
What were you doing when the problem occurred? I am in the develop module cropping images etc.
What other software are you running? Silver Efex Pro 2, but I have had that installed in many prior versions of Lightroom
Tell us about your computer hardware. How much RAM is installed? 32 GB - Yes, I know - overkill...
How much free space is on your system (C:) drive? 119 GB of 223 GB of my solid state drive c:\
Has this ever worked before? Yes
If so, do you recall any changes you made to Lightroom, such as adding Plug-ins, presets, etc.? No other changes other than updating to 4.2
Did you make any changes to your system, such as updating hardware, printers or drivers, or installing/uninstalling any programs? No, no other changes.
Thanks!

Same problem. Not a soloution, but this may be relevant.
http://forums.adobe.com/message/4782916#4782916
Alan

2nd monitor W2072a suddenly has no signal

2nd monitor W2072a suddenly has no signal, tried switching cables & rebooting but box comes up states Scanning then No Signal. I desperately need help since the only way I can use a computer is with 2 monitors due to a disability

Hi ToniClark,
Welcome to the HP Forums! I see that you have issues with your secondary monitor. What happens if you disconnect the first monitor that is currently work and just hook up the W2072a by itself? If it works then we know it is something with your computer system and if it still fails then their could be a problem with the monitor.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

Adding navigator panel to 2nd monitor

I love the 2nd monitor feature in LR2, but it might be cool to allow the navigator to display on the 2nd monitor and disable on the main one. I'll get over it, but it seems to be a bit limited on what can go on the 2nd screen. ..as well as having to hover over the scroll bar to use the mouse wheel in grid mode. It doesn't work by simply being over the grid. ..however it works fine in the grid mode on the main monitor in the library regardless. :(
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Ryan,
Please provide the brand and model number of the USB-to-video adapter. There are many on the market that seem to be sub-standard in capabilities. My USB-to-video adapter of choice is the eVGA UV Plus+ UV39. It works great on my 7 different computers and 5 different HDTVs.
Please send KUDOs
Frank
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Desktop comes up on 2nd monitor before showing up on Primary Display.

12 core mid 2010 macpro. My First monitor is a cinema display connected to DVI connecter on the ATI HD 5870 card and my 2nd monitor is hooked up via the first adjacent mini-display port (with an hdmi dongle). All works well except on boot, even though the display prefs are set so that the 30" cinema display is the primary one, the entire desktop shows up on the 2nd display for a moment and then after a "Blue Blink" everything shows up again on the primary monitor. The issue is that all of the items on the desktop are an utter mess. I also notice in the about this mac info pane (on displays) the HDMI connection is listed first, the Cinema HD display 2nd. Is this a bug? It seems to me that once you set the display priorities in the display preference pane the machine should be able to get it right the first time. Is there something else I need to set or is this something I have to live with.

Not sure what you mean about "display priorities". Where you plug these guys into your video card is immaterial.
Did you define the 30" as the "main monitor", i.e., the one containing the menu bar? Look at your Displays preferences, Arrangement tab. If the little white menu bar is not on your 30" drag it there. That is then where your boot displays should show.
It wouldn't hurt to click the detect displays button the displays preferences and also do a smc and pram reset.
...the entire desktop shows up on the 2nd display for a moment and then after a "Blue Blink" everything shows up again on the primary monitor. The issue is that all of the items on the desktop are an utter mess.
What this sounds like to me is that for some reason when you desktop is coming up after logging in is that the "other" monitor is where it is being drawn, and then the 30" is enabled, made the main monitor, but the resolutions got screwed up in the switching, and that screwed up the icon and window layout. If I didn't know better it sounds like you are using SwitchResX and don't have it configured correctly. I say that because I believe I could simulate what you describe by setting up SwitchResX to do that.
Currently I have 3 monitors attached to my system. One is for the TV and defaulted to be disabled using SwitchResX. When I log in I also get that "blue flash" but that is SwitchResX setting up my default monitor configuration as it disables the TV connection (SwitchResX is a login item). But since I have a proper SwitchResX configuration my primary monitor (27") and my secondary monitor (VGA) come up properly (after the flash). But it's that flash you describe that made me think of SwitchResX.
As for the System Profiler displays information, I don't know what order it decides to list that stuff. But I don't think it has anything to do with a "priority".

Pavilion Slimline 400-034 Windows 8 not detecting 2nd Monitor

Hello, I have a Windows HP computer, and I recently bought a 2nd monitor for my birthday, link click here. I have the same monitor for my first, and that works perfectly fine, when I bought the 2nd monitor, I realized I have a different port, and it's not a DVI-I, it's a DVI-D. So I bought a VGA to DVI-D connector, so I plugged my VGA into the connector and then plug the DVI-D into the tower. I turned on my computer, and the 2nd monitor wasn't detected, the DVI-D connected one, but the first one was. The monitor was set into mode auto, so it detected any working inputs, DVI, VGA, HDMI, and another. The 2nd monitor works thought while into the DVI-I port, but neither work in the DVI-D port. Any help (: ??

Here are the specs for you HP Pavilion Slimline 400-034 Desktop Computer and here is the user guide for your Insignia™ - 24" LED HD "NS-24EM51A14" Monitors. Based on the specs of your computer, it has one DVI-D (digital only) output and one DVI-I (digital and analog) output as shown below;
#3 - DVI-D (digital only) #4 - DVI-I (digital and analog)
According the user guide for your Insignia monitors... VGA, DVI-D, and HMDI inputs are available. Using a passive DVI-to-VGA adapter will work on the DVI-I port because it supplies both digital and analog signals. Using a passive DVI-to-VGA adapter will NOT work on the DVI-D port because it only supplies digital signals. Please remove both DVI-to-VGA adapters and VGA cables and replace them both with DVI-D cables. You can purchase these cables online and at most local retail store such as Fry's, Best Buy, Walmart, Target, Radio Shack, Staples, Newegg, Office Depot, etc. Once you have purchased two DVI-D cables, please connect your hardware as follows;
Computer ---> DVI-D cable ---> Monitor #1
Computer ---> DVI-D cable ---> Monitor #2
If you have any further questions, please don't hesitate to ask.
Please click the White KUDOS "Thumbs Up" to show your appreciation
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New 2nd monitor - xrandr & awesome

I just bought another monitor (yay craigslist!) with the intention of having a workspace stretched across the two of them. Both are 17-in that support 1280x1024. I've got one plugged into the VGA port on my nvidia card, with the other plugged into the DVI (through a DVI-to-VGA converter, since it's VGA as well).
When I'm not running X, output gets cloned to the 2nd screen. When X starts, though, it goes into powersave. Xrandr only shows one monitor:
pearson ~ $ xrandr
Screen 0: minimum 320 x 240, current 1280 x 1024, maximum 1280 x 1024
default connected 1280x1024+0+0 0mm x 0mm
1280x1024 50.0* 51.0 52.0
1280x960 53.0
1280x800 54.0
1280x768 55.0
1280x720 56.0
1152x864 57.0
1152x768 58.0
1024x768 59.0 60.0 61.0
960x600 62.0
840x525 63.0
832x624 64.0
800x600 65.0 66.0 67.0 68.0 69.0 70.0
800x512 71.0
720x450 72.0
640x512 73.0 74.0
640x480 75.0 76.0 77.0 78.0
640x400 79.0
640x384 80.0
576x432 81.0
576x384 82.0
512x384 83.0 84.0 85.0
416x312 86.0
400x300 87.0 88.0 89.0 90.0
320x240 91.0 92.0 93.0
Here is my original xorg.conf that works with one monitor:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "record"
Load "xtrap"
Load "extmod"
Load "glx"
Load "GLcore"
Load "dbe"
Load "dri"
Load "freetype"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "ShadowFB" # [<bool>]
#Option "DefaultRefresh" # [<bool>]
#Option "ModeSetClearScreen" # [<bool>]
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "G70 [GeForce 7600 GS]"
BusID "PCI:5:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
and here is what I was trying to get working with both monitors:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "record"
Load "xtrap"
Load "extmod"
Load "glx"
Load "GLcore"
Load "dbe"
Load "dri"
Load "freetype"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "ShadowFB" # [<bool>]
#Option "DefaultRefresh" # [<bool>]
#Option "ModeSetClearScreen" # [<bool>]
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "G70 [GeForce 7600 GS]"
BusID "PCI:5:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Depth 24
Virtual 1280 2536
EndSubSection
EndSection
which is essentially the same, except trying to follow phrakture's instructions here. This results in a desktop that's the proper size, but only on one monitor - moving the mouse over scrolls the screen sideways.
URandR doesn't support the nvidia driver, and zarfy seems like it would work ok, except it only shows one monitor.
I'm not particularly tied to xrandr - xinerama or somesuch would be ok, but I read that xinerama is deprecated and I should use xrandr, so that's what I'm trying.

FALK wrote:Tried nvidia-settings?
Oh my, that's wonderful!
phrakture wrote:I find this easier to work with, and might be something you're interested in if you just want to distinct screens
I think this is what I want, as well. Right now, via nvidia-settings, it's working great, except for the fact that nvidia-settings doesn't recognize 1280x1024 as a valid resolution for the 2nd monitor, even though it's the recommended resolution for it. I managed to set it using xrandr, though, and it seems to be working fine.
EDIT:
...until I rebooted. It's stuck at 1024x768, and xrandr won't set it higher because it's "not found in available modes".
Normally I'd just add a section to the xorg.conf, but I'm a bit lost as to what's happening in it. Here is the appropriate section:
Section "Screen"
# Removed Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
# Removed Option "metamodes" "CRT-1: nvidia-auto-select @1280x1024 +0+0"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
I tried changing it such, but it didn't seem to help:
Section "Screen"
# Removed Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
# Removed Option "metamodes" "CRT-1: nvidia-auto-select @1280x1024 +0+0"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "TwinView" "0"
# Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
Modes "1280x1024"
EndSubSection
EndSection
Last edited by Xiong Chiamiov (2008-11-05 22:58:27)

HT1338 cannot connect my MacBook Air to a projector -does not detect and 2nd monitor. I have a new Mini port to VGA cable made by apple. When I read online I see that many people have the same problem - Is this an Apple defect??????????????????

I cannot connect my MacBook Air to a projector - It will not detect a 2nd monitor or display. I am using an Apple made Mini Display port to VGA adapter. As I read online I see that many other peple are having the same problem. Is this an Apple defect!!???? If so it just burst the bubble about how great macs are. I never had a problem with that on a PC. I hope I am wrong. What can you tell me?

Hi There,
I have had the exact same issue but with a projector.
The issue lies with Mountian Lion 10.8.2.
I tried many a combination with no luck to get HDMI working.
Took my mac into the apple store and came to the conclusion it was the software, so I asked them to install 10.8 onto it (this is destructive so a backup is a must)
Bought my macbook home and voila, now displaying through my projector.
There is a small graphics update after 10.8.1 which seems to be the cause.
Hope this helps.
Thanks.

2nd monitor says in input - what to do?

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