Dual monitor sleep problem

I have dual monitors and with 10.5.1 my second monitor will not open after it has gone to sleep. I have to shut down and start over. A simple restart will not bring it back up. I have never had this problem before. Any help??

Welcome to the Apple Forums.
In System Preferences (found under the Apple Menu in the menu bar), look at the Display pane to see if both screens are recognized by the system. Click on the Detect Displays button. This will force the system to connect to the monitor and will show you if there is an OS problem, or perhaps a hardware problem.
I keep the "Show displays in the menu bar" checked so that I can access it through the Display image in the Menu Bar at the top of the screen.
My experience is that different monitors have different capabilities of connection to the computer- some have to be "detected" every time; some connect, but have to be changed from a mirror to a span or repositioned in the arrangement pane; some just "work right"
Good luck. Joel.

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Dual Monitor Startup Problem on MacPro - Solved

I have a model 53135LL/A = mid 2010 MacPro with 8 cores, DUAL monitor cards and monitors, 24GB memory, running Lion 10.7.3. It is important to note that I am also using the Apple bluetooth Magic Mouse and the smaller, bluetooth keyboard (no numeric keypad). This unit was supplied with Lion in December 2011 and has had a startup problem from the beginning as follows:
1 - when starting from a cold start the dual monitor positions are reversed from the correct position
2 - additionally the USB and firewire connected devices (e.g. Wacom tablet, 2 card readers) do not function properly.
The workaround for me has been to start the system, wait for the logon screen, then click restart. Upon restart everything comes up and functions correctly.
Specifics on my setup and starting problems:
1 - My main monitor (Monitor #2) is a large gamut monitor that is located to the right. This monitor is connected to card slot 1 as that is the faster card slot (pcx16). The second monitor (Monitor #1) is an ordinary unit and connected to card slot 2 (pcx4). The monitors are set up as an extended desktop.
2. The Wacom tablet (Intuous 3 wide) is connected to USB port on rear of machine. CF card reader by Delkin is connected to Firewire on rear of machine, and an SD card reader is connected to USB on the rear of the machine.
3. My dock is positioned on the left side of the left monitor. The menu bar is along the top of the left monitor, and all desktop icons are on the left monitor. The right monitor has no items on it.
On a typical cold start, as mentioned above, the apple logo appears on the right and then the logon screen appears on the right.
If I proceed to logon at that point, all the desktop items move to the right monitor and the computer thinks the positions are reversed. In other words, it behaves as though the right monitor (#2) is on the left of the desktop and left monitor (#1) is on the right.
Additionally, the Wacom tablet using either pen or mouse does not map over the full desktop range. If I use either card reader and then eject the card, no further card insertions will be recognized.
To fix this, I simply restart the machine thru the apple menu and everything comes up correctly.
I had discovered, that instead of completing the logon on a bad cold start, I could simply restart from the logon screen and all would work correctly.
On occasion, the logon screen would come up on the left monitor (as it should do) and in that case, if I log on all works correctly.
I have worked with Apple support on the phone, clearing setup ram etc. Have had the unit in to Apple store for hardware check, all OK. Next suggestion was reload OS and start over - no thanks.
SO - Here is the latest.
If I turn off my keyboard and mouse before starting the machine, then wait for the logon screen to appear - It starts correctly, with the logon screen on the left. I can then turn on my keyboard and mouse and all works as it should.
Bottom line - there appears to be a startup issue with Bluetooth devices from a cold start. Note that once the machine has been used for a bit, I can turn it off for short periods of time (e.g. 30 minutes) and it will start correctly even with the mouse and keyboard turned on.

mkaito wrote:
That's how dwm behaves. I believe dwm's multihead support is rather lackluster out of the box. You might want to check out some of the patches they have, and ask around in the dwm hackers thread.
I currently have dwm simply draw status on all monitors, but I'm investigating separate status bars per monitor. We'll see where that takes me. Dwm is a tinker's WM!
i found the patch , thanks!

Dual Monitor/View problem......

I am having a problem running my dual monitors with my MSI gf4 ti 4200 128mb card...... i re-installed my drivers (i tried 30.00's and 30.82's) and they work fine, but once i reboot or change the resolution it'll show 4 monitors in my device manager instead of 2, and my resolution cannot change from 840x480x32 (used to be only 840x480x8 )....atleast i have 32 bit now.... but i think its cause the other 2 useless monitors are using up the resources for this settings, because when they arent installed it will let me go higher in resolution...... any experts here know anything about a fix or solution for all those monitors using "EXTEND MONITOR ONTO DESKTOP" without having 4 monitors showing? thx in advance,
RaZoR
ps.... i tried uninstalling the monitors but they just keep reappearing.....any MSI tech's know what i should do??

set "first display" - monitor. !

Dual monitor setup problems... help.

Hi all,
(Arch 0.8 & NVIDIA drivers)
I'm having some troubles setting up a dual monitor set-up on my machine... every time I save the settings after configuring them in the NVIDIA control panel they don't seem to save when I start the OS! I've also messed with the config file, so how do I set it back. At the mo it picks up the CRT monitor only & not the LCD.
There are Two monitors hooked to it, one LCD (main DVI) & the other CRT (to the right of the LCD). I want the LCD one to be the primary one.
LCD spec:
http://www.viewsonic.com/products/deskt … 924/#specs
CRT spec:
http://www.ciao.co.uk/Hansol_710_P__18878#productdetail
Thanks for you help & expertise here.

read this:
http://gentoo-wiki.com/HOWTO_Dual_Monitors

CS3, Wacom, Dual Monitors mapping problem.

Greetings!
I have a PC running WinXP and PS CS3. I have my Wacom Intuos 3 set to map dual monitors and it is working perfectly in every application EXCEPT photoshop, which is the one i need it most in! When i click onto PS with my Wacom pen, it limits my cursor to the upper left 2/3 of the screen. If i use my laptop trackpad in PS it works fun across both monitors, as it does in my browsers and everything else.
Is there a setting i have to tweak in PS to get it to accept the Wacom dual monitor settings? I have it all set up correctly on Wacom''s end. (as far as i can tell)
I know theres a solution to this cause every other artist i know with this set up has it working, so please let me know what i'm doing wrong.
Thanks!

Thank you for your comment. However, i can only think it has to be PS related because it ONLY goes screwy when click onto PS. I tried setting it to only one monitor on the Wacom, and it works perfectly on everything else but as soon as i go on to PS it changes the settings on me. Again, this is ONLY when i use my Wacom. otherwise, it works as expected.
I've tried setting it to only one monitor and putting PS there, but as soon as i click onto it (with my wacom), it reverts to the other monitor (set as my main screen) automatically.
very frustrating.
any other ideas?

Recent Windows 7 update causing monitor sleep problems/Windows loop in some HP desktops?

After perusing this forum, I wonder if there was a recent Windows 7 update that has been causing problems for some HP desktops and displays. My office has a 3500 Microtower desktop running Windows 7 Pro. While Windows 7 Pro is running and in use (as in, not prompted by any user-set power management option), the dual HP displays (via DVI split to VGA) will enter sleep mode ("No Signal", I believe) seemingly randomly/chaotically and without warning. No amount of mouse-waving and keyboard-smashing will wake the displays. The displays will not receive a signal after being turned off then on. Then, not immediately but after some undetermined time, the desktop hard drive light will begin to blink at a consistent 1-second interval (approximate), as though it is stuck in a loop.
My guess, based on both our office's experience and the posts I've read with the same problem (see below for links), is that this update would have become available either November 16 or 17, November 15 at the earliest.
Thank you for your attention to this conundrum!
Aaron
One more piece, not sure if relevant: a user connected remotely in order to monitor the desktop, but detected no problems with the machine. Unfortunately, I was not able to remain with the desktop to see if the displays had shut off at any point during his monitoring.
Links to other forum posts:
http://h30434.www3.hp.com/t5/Desktop-Audio-Video-Monitors/HP-Omni-220-1050xt-Monitor-goes-blank-at-r...
http://h30434.www3.hp.com/t5/Desktop-Audio-Video-Monitors/No-signal-message-on-HP-2010i-using-HPs500...
http://h30434.www3.hp.com/t5/Desktop-Audio-Video-Monitors/HP-S2331-problem-with-coming-on-and-stayin...
http://h30434.www3.hp.com/t5/Desktop-Audio-Video-Monitors/HP-Pavilion-HPE-h8-1100z-CTO-Desktop-PC-pc...
http://h30434.www3.hp.com/t5/Desktop-Audio-Video-Monitors/HP-w2007-monitor-flashes-on-then-off-and-g...

Hi,
If you think that the issue is related to a recent Windows 7 update then try going back to a known good restore point before the issue occured.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
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Custom i7-4770k,Z-87, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650,GTX 760
Custom i7-4790k,Z-97, 16GB, Vertex 3 SSD, Plextor M.2 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
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Dual monitor setup problem

Having a problem setting up dual montors.
http://www.microsoft.com/windowsxp/using/setup/learnmore/multimonitor.mspx Followed everything at this link and everything went fine except a few things.
1st. The comp, was responding really slow and/or not responding at all.
2nd. The comp, takes a big performance hit per 1st problem.
3rd, How can i get explorer to work on the other monitor (secondary)like it shows on the primary one.
Also one monitor is a 19" Lcd and the secondary monitor is a 17" crt, i'm plugging the crt into the dvi-i port with the dvi-i/vga adapter, i also tried dragging items from one screen to the secondary but didnt work Any ideas on what to do to make this setup perform better, Thank you, DOK

OK here goes for everyone that has said to use drive cleaner my hat is off to all, I'm an idiot for not listening or paying attention, so if your reading this and saying noob, ding dong, dummy or what ever i deserve it, many apologise. Well i have fixed above problem and downloaded a fresh copy of 81.98 and used drive cleaner as per instructed and guess what to my surprise, the system works great, per Tiresmokes referall i have posted new results in the section that was suggested, Thanks DOK

Monitor sleep problems on G5/1.8DP

I have just purchased a new LaCie Photon19Vision TFT monitor and connected in to my G5/1.8DP and successfully set it up. My system is set to never sleep or use a screen saver.
For two days all was well and then, without any warning, I found that the monitor went into 'sleep' mode after ten minutes or so. I have deleted the usual preference files relating to energy saving etc, as suggested in the discussions, but this makes no difference. Whilst it is not the end of the world, it is a pain as the monitor is colour calibrated and takes time, albeit not too long, to return to its correct settings after waking. I have also got the same problem on a G4/450. This does not occur on my G5/1.6 or G3/400 though. The only common thread is that the G5/1.8 and G4/450 are each connected to their own dedicated UPS whilst the other two are not.
Does anyone have any bright ideas?

Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, then move these files to the Desktop.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
/Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist
/Library/Preferences/SystemConfiguration/com.apple.PowerManagement.plist
/Library/Preferences/SystemConfiguration/com.apple.AutoWake.plist
(Then Trash the original of these last two, as "moving" them only copies them.)
Test for problem in Safe Mode...
Reboot, test again.

Monitor Sleep Problem

I have a Hanns.G external monitor that no longer goes to energy saver mode (displays no signal input - check video cable) when I put my MacPro to sleep. This has been the case since I installed the MacOSX 10.6.3 update.
I've reset both the PRAM and SMC with no results.
Any ideas as to how I can fix this problem?

My system profiler lists the following for my monitor:
Hanns.G HG281:
Resolution: 1920 x 1200 @ 60 Hz
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Rotation: Supported
Television: Yes
There are several preference settings on the monitor itself, but nothing on the computer. There is only 1 HDMI slot and I have disconnected, reconnected it and the power cord several times. None of the monitor settings indicate a "sleep setting".
I've been quite happy with the monitor. I upgraded from a smaller Apple Cinema Display and noticed no difference in quality. My printer output with my Canon Pro 9000 shows no differences between output using my Apple monitor and that of the Hanns-G.

[Solved] dual monitor statusbar problem (dwm)

Hi all , have a problem with status bar in dwm . The status bar change their position between monitors , if i work in the monitor1 the status bar is in monitor1 , but if i change to the monitor2 the status bar goes to monitor2 .
I would like to leave the bar in a single monitor or in both . Thanks in advance
(i used conky status bar and xrandr)
Last edited by Lordii (2013-04-04 13:36:53)

mkaito wrote:
That's how dwm behaves. I believe dwm's multihead support is rather lackluster out of the box. You might want to check out some of the patches they have, and ask around in the dwm hackers thread.
I currently have dwm simply draw status on all monitors, but I'm investigating separate status bars per monitor. We'll see where that takes me. Dwm is a tinker's WM!
i found the patch , thanks!

Photoshop CS5 Mac Dual Monitor color problems

Hi all,
I know this problem has been raised before, but I can't seem to find a definitive answer - there is a lot of conjecture and opposing opinions so I'm trying to get to the bottom of this once and for all.
Gear: MacBook Pro, Photoshop CS5, Wacom Cintiq 12WX as second display, Mac OS X 10.7.4
Problem: Photoshop seems to only use the Monitor Profile of the main display (i.e. the one with the menu bar in System Preferences>Displays>Arrangement) - some people say yes, this is the case, some people say no, Photoshop uses independent profiles for each display.
Manifestation: If I set my MacBook screen to the main display, color looks good in Photoshop on the MacBook and terrible on the Wacom and vice-versa. However, in Lightroom and other applications changing the main display makes no difference to the output on each display.
Preferred solution: I would like to have my MacBook as my main display with menu bars and dock etc, but then I want the Cintiq to be the display I use in Photoshop, for obvious reasons. In my workflow, I would like to have my image open in 2 windows, one on the Cintiq for retouching and one on the MacBook to check progress and color etc
Curveball: I have a trial of CS6 and the problem seems to be fixed (maybe, my eyes and sense of reason are fried)
Many thanks for any help anyone can shed
Simon

Make sure you have all the updates installed for Photoshop.
Apple introduced new bugs in their display and window update pipelines in 10.7, which we didn't get a chance to completely work around until Photoshop CS6.
We tried to work around them as best we could in the dot releases for CS5.

Dual monitor profile problem

Macbook pro 4,1 , epson 4800, Dell 24" wide gamut display and I'm having the exact same problems as this 3 year old thread!!!
https://discussions.apple.com/message/7289716#7289716
Can't print using profiles as wrong profile gets applied. This all happens with laptop NOT in clamshell mode, which I prefer so that I can use all screen real estate.

Call Epson support and see if they can give you a complete trouble-shooting algorithm.
The following works for me (I don't think it will work for you, but it may give some leads to explore):
- I keep the menu bar on my laptop
- I put Aperture on my wide-gamut monitor (NEC PA271W)
- I keep secondary display set to "Desktop"
- I never run full-screen
- I confirm the monitor profile at least once a day, and every time I change monitors (I work in two locations, ea. with an external monitor). By "confirm" I mean that I re-assign the profile, not that I re-calibrate the display.
- I have the external monitor connected directly with an mfr-supplied mini-DisplayPort (iirc) to DisplayPort (iirc) cable. This was important.
- I had to take some care with the Epson set-up. All I can suggest here is most recent drivers. I first got the USB connection to finally work, and then got the Ethernet connection to work properly as well.
I mention all of that because in the thread you linked there are comments about both the external monitor not using the correct profile, as well as the printer not using the correct profile.
I would first confirm (you likely already have) that the printer works properly printing from Aperture with no external monitor. After that, things get tricky.
What I picked up from some poking around and talking with knowledgeable people is that OS X does not do a good job with color. (I was surprised.)
Sorry I don't have any real help to provide. Good luck.

X1900 XT, dual display: sleep problems

Today I updated my Mac Pro from an NVIDIA 7300 GT with connected BenQ and Samsung displays to an ATI X1900 XT with two 23" Cinema HD Displays. Everything works fine except one thing:
When trying to put the system to sleep it wakes up again after 2 seconds and a few seconds later the fan goes to highest speed level and stays there. The only possibility to stop the system is to shut it down completely.
The keyboard/mouse are connected to the "first" display, no other USB or Firewire device is connected.
All OS X updates are installed including EFI Update 1.1
Any ideas how to locate the problem?
Thanks in advance,
Wolfgang

Sorry for the unprecise / wrong information. The problem could be solved by removing a USB smart card reader that was attached to the USB hub of the second display.
At the old display it worked fine but the combination Cinema display / Vivanco Smart Card reader produces a signal at the USB that wakes up the Mac Pro immediately. I do not have a clue why the Mac Pro speeds up the fans afterwards but this behavior can be reproduced easily with every USB device that is removed shortly after the Mac went to sleep.
The hint for this could be found in the system.log:
Apr 23 17:45:26 MacPro kernel[0]: System Sleep\
Apr 23 17:45:26 MacPro kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes\
Apr 23 17:45:26 MacPro kernel[0]: Started CPU 01\
Apr 23 17:45:26 MacPro kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes\
Apr 23 17:45:26 MacPro kernel[0]: Started CPU 02\
Apr 23 17:45:26 MacPro kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes\
Apr 23 17:45:26 MacPro kernel[0]: Started CPU 03\
Apr 23 17:45:26 MacPro kernel[0]: System Wake\
Apr 23 17:45:26 MacPro kernel[0]: USB caused wake event (EHCI)\

Dual Monitor Resolution Problems

I have the ATI 2400HD card in my iMac and I checked here on the Apple site and it says it supports resolution upto 1920x1200. Now when I connected a new LCD monitor with that resolution the max available is 1680x1050. Do I have to update the driver for the video card and add that resolution?

Are you using the DVI mini to DVI or VGA adaptor? What kind of LCD is it? brand/model/size=?
You are correct it should be able to go up to 1920x1200 according to the tech specs:
+"Mini-DVI video out with support for DVI, VGA, S-video, and composite video output (requires adapter, sold separately) Support for external display with digital resolution up to 1920 x 1200, analog resolution up to 2048 x 1536"+

HP Pavilion p6240f Dual Monitor setup problems

My HP Pavilion p6240f desktop has two on board monitor conections. VGA and DVI. Can I connect two monitors to my computer? My operating system is windows 8. Only my VGA monitor is working. Only one monitor shows up in Device Manager.I also tried using detect in display settings. Please help

dighaysus,
Yes, your HP Pavilion p6240f Desktop Computer can support two monitors at the same time. One monitor must accept a VGA analog signal and the other monitor must accept a DVI-D (HDMI with adapter) digital signal.
Please provide the brand and models of the two monitors, so we can determine if you have a supported configuration.
Please click the white KUDOS star to show your appreciation
Frank
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Dual monitor sleep problem

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