Strange display resolution on 30" connected to Quad

My son has just connected a 30" display to his Quad with Nvidia GE Force 6600 card and the Apple System Profiler shows resolution of 1280x800. Of course this is bad and text is BIG etc etc. The resolution for the 30" is 2560x1600.
Let me backtrack a little here.
Son's Quad was purchased along with the 30" and it was fully operational.
I have a 2x 2.5 GHz PM with Nvidia Ultra 6800 connected to a 23" display.
Now before son started to use his Quad we switched the 30" with my 23" and he used the 23" for some two monts and I used his 30" for same period. The 30" worked without issues on my PM. I did play CoD2 quite a bit with the 30" - very nice too.
Yesterday we switch the displays back. That is, the 30" is now connected to son's Quad and the 23" is now connected to my PM.
The 23" on my PM works perfectly.
The 30" on my son's Quad has max resolution of 1280x800. The ASP utility shows this. The System Pref Displays pane also shows max resolution for display is 1280x800.
What's going on here ?
How can my son get things back to be same when the 30" was originally connected to his Quad with a resolution of 2560x1600 ?
Son has rebooted, powered off display but this hasn't changed things at all.
He has not updated any software since using his Quad - has not downloaded any new Apple Software Updates either.
I did upgrade my PM from 10.4.6 to 10.4.7 with the 30" display connected a few weeks back.
It seems that the Quad with the 23" connected has somehow setup something in the graphics card (maybe) that is somehow affecting the proper operation of the 30" display.
Any help would be most appreciated as son who lives in his own place has lots of video editing an such to do for a living, and I'm helping via phone.
Thanks.... Barry

Problem solved - son had the 30" plugged into the 2nd display socket of the 6600 graphics card. Ho hum. ;-))
Thanks.

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Strange Display Bug - Photoshop CS5 64bit

I have an issue where a portion of my screen extending from the top left corner displays images in Photoshop just a little differently than the rest of the screen. You can see how it looks in these screenshots (I was a little surprised the screenshots captured the bug). These are screens of a photoshop document filled with one color, not the two shades it appears to be.
http://i.imgur.com/RzWei.png
http://imgur.com/NadQA
This bug doesn't appear except in Photoshop. As you can tell it's always the same part of the screen. Except somehow Photoshop briefly 'remembers' where the image bug is when I drag it around with the hand too. Eventually it goes back to the original spot or it will reset to there when I zoom or do something to the image. You can see in the screens how that works.
I have tried clearing out the settings files.
Reinstalling Photoshop.
Updated display drivers.
I connected to the monitor to another computer and ran Photoshop from that one (no bug).
I attached another monitor to this computer - no bug with that monitor. Strangely, it seemed to take a few minutes to reappear after I reattached my other monitor again. I thought it had gone away at first.
I've done some searching around the web and the forums but can't seem to find the right answers. It would be great is someone had some ideas on what's going on. This problem is driving me batty. Thanks much.
My screen is a Dell U2711.
Here's the system info dump:
Adobe Photoshop Version: 12.0 (12.0x20100407 [20100407.r.1103 2010/04/07:14:00:00 cutoff; r branch]) x64
Operating System: Windows XP Professional 64-bit
Version: 5.2 Service Pack 2
System architecture: Intel CPU Family:6, Model:7, Stepping:6 with MMX, SSE Integer, SSE FP, SSE2, SSE3, SSE4.1
Physical processor count: 4
Processor speed: 2993 MHz
Built-in memory: 8189 MB
Free memory: 5922 MB
Memory available to Photoshop: 7238 MB
Memory used by Photoshop: 60 %
Image tile size: 128K
Image cache levels: 4
Display: 1
Display Bounds:= top: 0, left: 0, bottom: 1440, right: 2560
Video Card Number: 1
Video Card: NVIDIA Quadro FX 1700
Driver Version: 6.14.12.6645
Driver Date: 20110111092401.376641-000
Video Card Driver: nv4_disp.dll
Video Mode: 2560 x 1440 x 4294967296 colors
Video Card Caption: NVIDIA Quadro FX 1700
Video Card Memory: 512 MB
Serial number: 95458127520668614052
Application folder: C:\Program Files\Adobe\Adobe Photoshop CS5 (64 Bit)\
Temporary file path: C:\DOCUME~1\BKUEHL~1.COO\LOCALS~1\Temp\
Photoshop scratch has async I/O enabled
Scratch volume(s):
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Just a bunch of random thoughts...
Hm, seems to stop exactly halfway across, left to right, and in a 5:4 ratio.
Looks like a pretty big display... What's the pixel resolution of your monitor? Does it use a dual-link DVI connection?
Do you have any desktop management software active that does things like expand the desktop or provide multiple / virtual desktops? I'm trying to guess at whether something might be causing the system metrics to be reported wrongly.
Just on a hunch, try this: Choose Edit - Preferences - Performance, click the [Advanced Settings...] button, and change the OpenGL Mode to Basic.
If no change, does the problem go away if you uncheck [ ] Use OpenGL Drawing entirely?
-Noel

Thinkpad Yoga - Insufficient external display resolution over the Onelink

My local Lenovo Partner just confirmed the data in "User Guide" of the TPYoga, that the external screen resolution will only be 1920x1200.
"User Guide" Page 10, http://www.lenovo.com/shop/americas/content/user_guides/tpyoga_ug_en.pdf
"Display resolution:
– LCD: 1366-by-768 or 1920-by-1080, depending on the model
– External monitor: up to 1920-by-1200, depending on the monitor model"
I mean what do I want the OneLink Dock / OneLink PRO Dock for??
Of cause to connect a large screen and this not with a worse ppi than the intern display. So I need at least 2560x1600
(we don’t even talk about all the disadvantages of a 16:9 screen, cause that’s off topic).
Idealy I expect of cause a 4k resolution possibility together with the OneLink Pro Dock and multi stream (daisy chain) possibility at the display port.
But 1920x1200 external graphic output can’t be meant serious for a 2000US$ device??

Ok, let’s accept that the new Thinkpad YOGA Manual includes misinformation.
Actually I’m sitting in front of my 2048x1152 Display which is connected to my 8 years old Asus Notebook via DVI. Does this old jalopy perform a higher resolution via DVI than the Thinkpad Yoga via “OneLink PRO Dock-DVI” does?
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/options/tp_onelink_pro_dock_ug_en.pdf
Page 13
(I’m guessing in the first line (behind "One monitor") it’s supposed to mean DVI instead of DP”
(1) Lenovo, are these technical details of the NEW OneLink Pro Dock also wrong like the Manual of the Yoga regarding the maximum resolution?
Would be very helpful for me to plan with correct information..
(2) And is it definitely true that I can't connect two displays at the OneLink PRO Dock with a higher resolution than 1920x1200??
That would mean I send the Thinkpad Yoga back and better stay with my 8 years old ASUS jalopy.. smileyfrustrated:

Leopard "Forgets" External Display Resolution

I have a 17" MacBook Pro C2D (Oct 2006 revision) that I use at work with an external display (Dell E197FP) that is connected to the laptop via the DVI-to-VGA adaptor. The Dell has a native display resolution of 1280*1024 @60Hz and this is set via the System Preference's Display panel. The problem is that quite often when I connect the display in the morning OS X (10.5.6, at present) "forgets" the resolution that has been set and reverts back to its default for the display, which is 1152*864 @75Hz. It is baffling to me that it keeps forgetting the selected resolution for the display, despite recognising it, and that it selects such an odd resolution as a default. This happens about once per week at the moment.
Does anyone have an idea what is causing this and how I can stop OS X from being so forgetful?

Are you getting one to extend your desktop? I don't, I use my MacBook with the screen off using my external only with a keyboard and mouse plugged in. I run my Late 2008 2.1GHz MacBook with a GMA X3100 using a 23" Samsung wide ratio no problem in 1680x1050. It is high resolution. Make sure you click "mirror" in Display Prefs. Be certain that you don't simply boot to both because the external will appear grainy and only be putting out the native 1280 X 800 13" MacBook resolution on the new big LCD. There are many different ways to achieve this. With the LCD on and hooked to the MacBook, turn the MacBook on then quickly close lid after the chime. Give it some time. After it boots to the external, I open the lid to provide proper airflow, some may argue it's not needed.

External display resolution

I have Dell up2414q monitor which is capable of displaying up to 3840 x 2160. But when I connect my 11-inch Macbook Air (the latest 2014 model), which is capable of 2560 x 1600, shows only 1920 x 1080. This is the highest resolution listed in display setting.
I'm using Display Port cable and enabled Display Port 1.2 setting on the monitor. I went to Apple Store and asked, but they had no idea what was wrong. My OS is 10.9.3.

Hi there gen2014,
You may find the information in the article below helpful.
OS X Mavericks: Adjust your display resolution
http://support.apple.com/kb/PH14388
You can connect a second display and adjust its resolution. Once it’s connected, click Scaled, then select a resolution. Press the Option key while you click Scaled to see additional resolutions for the second display.
If you continue to experience issues, take a look at the troubleshooting steps in the article below.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
-Griff W.

External Display Resolution Issue...

I have a Mid-2012 MPB running Mavericks. Recently, I've tried connecting 2 different external display's to the MBP via an Apple Thunderbolt to VGA adaptor. I can't get the resolution of the connected displays to go above 800 x 600, and it looks awful.
The first screen is a Samsung SyncMaster T260HD with a native res of 1920 x 1200, and the other is a Samsung SyncMaster 933HD, with a native res of 1366 x 768. I plug them into my Windows box via a VGA cable, and it will drive each display at it's native res just fine. So what have I missed to get the MBP to do this???
Thanks in advance. :-)

My MBP has Thunderbolt and I have a mini displayport to DVI adapter. This is connected to the DVI port in the display.
That option key selection did not increase the alternative resolutions available.
I did reset PRAM according to a advise hee in the community. That did not help either.

Highest dual display resolution for mac mini mid 2011

I am currently running a mac mini mid 2011. As I've understood (according to the below statement). Am I only able to use 2 secreen with 1920x1200 or could I use one screen with 2560x1600 and one with 1920x1200. I do NOT want mirroring, only dual displays.
I am going to connect the screens in the following way:
1x mini-dvi - HDMI to one screen.
1x HDMI - HDMI to the other screen.
Display Support:
Dual Displays
Resolution Support:
1920x1200*
Details:
*This model simultaneously supports 1920x1200 on an HDMI display or a DVI display using the included HDMI-to-DVI adapterand 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port).
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600*
Details:
*This model simultaneously supports 1920x1200 on an HDMI or a DVI display (using the included HDMI-to-DVI adapter) and2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port).
Thanks in advance
Rich

According to the copy&paste from wikipedia, HDMI should support higher resolution than 1920x1200. So the question is, does it aupport that on the mid 2011 mac mini. It says in the specifications
"Mac mini is designed to work with HDMI devices that comply with versions 1.0, 1.1, 1.2, 1.2a, 1.3, 1.3a, and 1.4 of the HDMI specification."
That should mean it should be able to support it, but I don't know : <
HDMI version
1.0
1.1
1.2
1.3
1.4
2.0
Date initially released
December 9, 2002
May 20, 2004
August 8, 2005
June 22, 2006
May 28, 2009
September 12, 2013
Maximum clock rate (MHz)
165
165
165
340
340[109]
600
Maximum TMDS throughput per channel (Gbit/s) including 8b/10b overhead
1.65
1.65
1.65
3.40
3.40
6
Maximum total TMDS throughput (Gbit/s) including 8b/10b overhead
4.95
4.95
4.95
10.2
10.2
18
Maximum throughput (Gbit/s) with 8b/10b overhead removed
3.96
3.96
3.96
8.16
8.16
14.4
Maximum audio throughput (Mbit/s)
36.86
36.86
36.86
36.86
36.86
Maximum color depth (bit/px)
24
24
24
48[a]
48
Maximum resolution over single link at 24-bit/px[b]
1920×1200p60
1920×1200p60
1920×1200p60
2560×1600p75
4096×2160p24
4096×2160p60
Maximum resolution over single link at 30-bit/px[c]
N/A
N/A
N/A
2560×1600p60
4096×2160p24
Maximum resolution over single link at 36-bit/px[d]
N/A
N/A
N/A
1920×1200p75
4096×2160p24
Maximum resolution over single link at 48-bit/px[e]
N/A
N/A
N/A
1920×1200p60
1920×1200p60
Maximum 3D resolution (using a full resolution 3D format) over single link at 24-bit/px
N/A
N/A
N/A
N/A
1920×1200p60

Cannot set display resolution after upgrading to Mavericks

I have early Mac Mini connected to KVM stitch. Over the weekend I upgraded to Mavericks and it "dowgraded" display resolution from 1920x1200 to 1600x1200 and everythign looks streached. 1920x1200 no longer shows on the list in display properties (1920x1440 shows but it does not look good on my screen). I googled Option key trick and hitting "Scaled" while hold Option key does show some additional resolutions, but not the one I used to have.
Connecting Mac directly to the monitor allowed me to set proper resolution and after removing monitor and pluging mac back into KVM things "held" untill Mac goes to sleep or until reboots.
I am aware that my KVM switch does not communicate EDID but things did work just fine before upgrade to Mavericks.

Hello curtdav,
It sounds like you are getting a graphical anomoly when unplugging an external monitor. I recommend these troubleshooting steps from the article named:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Reset the system
You can reset the Mac's parameter RAM and SMC.
Reset the resolution
Start by resetting the Mac's parameter RAM. If the display does not come up, was previously set to an unsupported resolution, and still results in no video:
Start up in Safe Mode.
From the Apple () menu, choose System Preferences.
Choose Displays from the View menu to open the preferences pane.
Select any resolution and refresh rate that your display supports.
Restart your computer.
Thank you for using Apple Support Communities.
Take care,
Sterling

Display resolution and Mac OS X 10.5.7

I am now using my Mac mini (early 2009) as my primary computer (new aluminum keyboard and an LG 23" LCD HDTV) and have sent the iMac Core Duo to "the boys" room for them to use. But they have called my attention to the display resolution a few times since I updated it to 10.5.7. The iMac seems to be lost as to what its default resolution should be. It was always set 1024x768, but that appears really tiny onscreen.
I also have noticed a large number of folks in the Mac mini (early 2009) forums complaing that after the update, they have lost the native resolutions they previously used with the mini and HDTVs when setup as a media center.
Has anyone here noticed resolution issues following updating to 10.5.7? Have you found a way to correct the issue?

Hi David
No problems here with the 10.5.7 update, the resolution on my 17" is and always has been set to 1440x900 Millions both before and after the update. +(1440x900 is the native res. for a 17" display)+
If I switch the iMac Display to 1024x768 Millions it makes everything larger and slightly blurred, again the same before and after the update.
Also note that the settings for my connect 27" Sharp flat screen TV are 1024x768 60Hz (NTSC) Millions was not affected in anyway. I always run my setup in Extended Desktop, but if I switch to Mirroring then both the iMac and TV Displays go to 1024x768.
Sound to me like it has something to do with selecting the Mirroring/(Extended Desktop)Mirroring Off feature...?
Dennis

Display resolution is different left and right sides

Hi, my HP G42 laptop now has a different display resolution on the left and right sides. The left half seems to have less resolution than the right side, the right side looks like it's in HD, the left side looks washed out. I'm not sure if it is a hardware issue or a setting/software issue. The first time it appeared was after a windows 7 update was completed and installed, I'm not sure if that was just a coincidence. Any suggestions would be greatly appreciated. It works but is very annoying to look at.
Thank you,
Ray

Hi Ray_M,
Welcome to the HP Forums! I see that you are having a problem with two different resolutions on each half of your screen. The easiest way to determine where the problem lies is to connect it to an external monitor. If the image is normal then we know it is an issue with the display screen but if the issue occurs on the external monitor then we know it is a problem with the drivers or the video card itself.
What is the product number for your g42? There are a number of different models in that series.
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

External Cinema Display looks fuzzy when connected to 24" iMac...

Hey
I have a new iMac (aluminum with black rim screen) and a new 23" Cinema Display. I have connected them both together and am using the Cinema Display in extended desktop mode as the main screen. The resolution is set to the maximum but all the icons and windows look slightly fuzzy. I have no idea why and at a dead end. Any advice would be much appreciated.

Hi B Boy26
In the preference panel try setting the resoultion at 1920 x 1200 for the display, thats the (optimum resolution) for the 23"
Here are the spec's: http://www.apple.com/displays/specs.html
Also check in the "Display" section of the forum:
http://discussions.apple.com/category.jspa?categoryID=111
Dennis

Can 23" cinema HD Display support Game systems connectivity

I currently have my display connected to my MacBook but space is a factor at my dorm. Can I use my Apple 23" Cinema HD Display to connect my xbox 360? I bought a DVI to HDMI adapter but i get no picture. i also have a xbox VGA cable if i need to go that route. I figure digital to digital should give me a better picture, the an analog to digital. Can my 23" Cinema HD Display support game system connectivity or these older display were meant for Mac's Only?

followup question... Does the 23" cinema HD Display support HDCP? Could that be the cause for a blank screen. the power light is solid. I when to Display settings and lower resolution on the monitor, still no picture?

Losing Display Resolution on Sleep or Reboot

We have 176 Mac Mini's with ViewSonic VA1703WB 17" WideScreen displays. The Mini's run OS X 10.4.10 and Boot Camp Windows XP. The Mini's are used in a computer lab where they spend most of their time in "sleep" mode until we activate them for an exam. Even though we built our image with the Display (VA1703WB-Series) detected and the proper resolution (1440x900), the Mini's will not retain those settings. Eventually when a Mini wakes up, the display resolution will be reset to 800x600 or some other incorrect setting, and the display detected will be just "Display" instead of "VA1703WB-Series". The only way we've been able to get the display detected again is to disconnect it, power off/on and reconnect the display. What is happening and what can we do to fix it?

That's not typical behavior. Is there any way you can try a different monitor, or better still different monitors (plural) to see if the mini behaves in a more expected manner when connected to a different display? This could help to tell you if there is something about the mini's configuration, like some kind of software installed on all of them, that is interfering with normal operation, or if the problem lies with the display.
Here is one guess I have about what might be happening. When the mini sleeps, the Viewsonic is likely going into a low energy state of its own. There is a ROM inside modern computer displays that holds driver data called EDID that the Mac relies on to identify the display and administer compatible timings. The DDC spec calls for the host system (mini) to be able to power the ROM from a +5VDC pin on the video connector rather than the power supply coming from the display. I suspect this might not be properly implemented in the Viewsonic so that what happens is as follows:
- Mini comes out of sleep state.
- Mini checks for EDID data to see if a new display has been attached.
- Since ROM isn't powered (display in low energy state) and the mini can't itself power it, mini cannot properly identify the Viewsonic.
- Mini outputs generic, default timing.
If you can demonstrate that the mini's work correctly with other displays attached, then you have a good case against Viewsonic to replace or repair their monitors which are not compliant with the DDC standard. Of course this is all speculation, but it's a hint where to look.

Display resolution changes during sleep

This does not look quite like anything I've seen here already. Mid-2010 Mac Mini, OS X 10.9.2, Acer V173 monitor with 1280 x 1024 maximum resolution, connected via Apple Mini DisplayPort to VGA adapter (because the monitor has only a VGA input). Resolution is set at 1280 x 1024. I have Display Menu installed and the icon sits at the top in the menu bar.
Display goes to sleep when there is no user activity for a few minutes (because although the display doesn't use much power it's still against my nature to waste any). I wake it up by hitting a non-printing key such as control, option, command, or all three together. Often as not, the display wakes up in a lower resolution. I can usually restore it to 1280 x 1024 by using Display Menu, but then I also have to resize some of the windows that have been shrunk by the lower resolution.
I don't want the display resolution to change. I tried resetting NVRAM and repairing file permissions, no help.
Why does the display resolution change without my knowledge and consent? More to the point, how can I keep it from doing that?

Another helpful hint, again I forget where on this discussion board I saw it, is that holding down the Option key while hitting the Scaled button in Display Preferences gives a wider choice of resolutions. Ordinarily the only resolution option is 1280x1024, but the Option key brings up others, including 1280x960.
On the theory that Apple doesn't like the 5:4 aspect ratio of the native 1280x1024 resolution of the monitor, I set the monitor resolution to 1280x960 yesterday (June 23). There's a little distortion from using a 4:3 aspect ratio on a physically 5:4 monitor, but if two weeks go by (July 7) without the resolution going bad, I will try a new (or used) monitor.
The next question is, would Apple dislike a wide screen aspect ratio? If it likes 16:9, would it dislike 16:10? With my hardware and OS, and a 1080p HDTV/monitor connected with an HDMI cable, would the resolution stay put?

Strange display resolution on 30" connected to Quad

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