Generally a visual screen used to display graphical or text output

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5
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1answer
2k views

horizonally flip OSX's monitor output?

For display reasons we've got a setup where a user watches videos on a MacBook via a mirror. Of course, this works okay for videos normally, but the user would like to be able to do more than watch ...
5
votes
1answer
732 views

Cursor stuttering: “IOHIDSystem cursor update overdue. Resending.”

My 2011 iMac running Lion recently developed a new problem; the mouse cursor stutters. At random intervals when I move the mouse it lags, then jumps, like it missed a couple of frames. Ordinarily I'd ...
4
votes
1answer
281 views

How do I reset the Display cached data?

A week ago I noticed a weird Lion symptom, and posted a vague description of one this problem. Today, after some tests, I came to a conclusion that this bug reproduces whenever a the computer is ...
3
votes
1answer
52 views

Constant flickering on my external display

I've recorded a 7 second video of it here: http://youtu.be/2k9P59Z32wE. Basically, the screen will alternate between a fuzzy picture, color bars, and then black every ~2 seconds or so. Technical ...
3
votes
1answer
131 views

Black screen with dual monitors (10.9.3)

I have been experiencing a problem with my Macbook Pro (latest version) when connecting it to a dual monitor. I usually click on the trackpad to wake the computer immediately after it has gone into ...
3
votes
1answer
318 views

App windows move spontaneously on display wake (2 monitors) - OS X 10.8.3

OS X 10.8.3 Mac Mini Late 2012, 2.6Ghz quad-core i7, set up with 2 displays, like this: Thunderbolt Port HDMI Port /*****************|------|**********\_______________ | ...
3
votes
1answer
287 views

I Can't raise the brightness to the maximum.

I have a macbook pro late 2008. When Im raising the brighntess level, when it reaches the 50% it starts to decrease the brightness till it goes almost dark on 100%. Someone know how to do fix this? ...
3
votes
1answer
326 views

Can retina display features be enabled on older (non-retina) displays?

I have an older iMac, without a true retina display. I want to be able to scale the user interface like the retina macs do, but I can't seem to find a way to do that. Does anyone know a way to trick ...
3
votes
1answer
270 views

Mac Mountain Lion on screen keyboard

Is there a way that, when you switch language inputs for your keyboard, the onscreen keyboard will automatically show up?
2
votes
1answer
261 views

Late 2011 13" MacBook Pro doesn't detect external monitor anymore on Mavericks

I have a late 2011 13″ MacBook Pro with OS X Mavericks updated to the latest version, which was usually connected to a HP Pavillon 23xi monitor using a Mini DisplayPort to VGA adapter. It worked like ...
2
votes
1answer
3k views

Problem with Mac HDMI - Thunderbolt display to Sony (not a cable problem)

I have a 13-inch Macbook Pro with Mountain Lion installed. I bought an HDMI - Thunderbolt cable months ago in order to watch movies, TV shows and whatnot on my TV (Sony Bravia). The cable had been ...
2
votes
1answer
394 views

iPad 3 max framerate

Has anyone tried to test the maximum frame rate one an iPad 3 connected to a 120Hz screen for example? I would like to know if it's possible to achieve more than the 60fps using the any ...
1
vote
1answer
94 views

Problem with Monitor, flickering green

I have the MacBookPro 15'' mid 2009 (10.9.3) , and from today I have green flickering on my monitor. I did try with Reset PRAM, Repair Disk, also TechToolPro but i have the same problem. It seem ...
1
vote
1answer
72 views

MBP Mid 2010 crashes with single color on screen

My laptop crashes and displays colourful screens: Red, orange, purple, green, pink, white, black. I then have to shut it down for a couple of hours for it to work a while more. Does anyone know what ...
1
vote
1answer
80 views

How to get 4 external monitors to work a macbook pro (late 2013)?

I'm wondering whether or not having 4 external monitors on a Macbook Pro is possible? I know that Apple states that the limit is 2. But as seen on The Verge and Cnet it's possible to go further. On ...
1
vote
1answer
171 views

Have to restart to switch external displays

I have a Macbook Air 2013 model that I use at work and at home. At work I hook it up to an external Dell 27" monitor via a display port adapter. At home I like to hook it up to my Samsung 40" TV. ...
1
vote
1answer
187 views

2012 Macbook Air Mt Lion 10.8.2. Can I factory reset and upgrade using only an external monitor?

I just purchased a 2012 MacBook Air with a broken screen. I'm using it as a desktop via an external monitor. I plan to do a factory reset and then upgrade to mavericks. Will I be able to complete ...
1
vote
1answer
49 views

Shortcut used by another action/reboot breaks shortcut

I think this is a bug, but perhaps it is a unique problem to me for some reason. I really like independent display switching in Mavericks, and I set it up in what I guess is a unique way. I have two ...
1
vote
1answer
438 views

Garbled screen after upgrading to Mavericks on Retina

I upgraded then later clean-installed Mavericks on my Macbook Pro Retina 13". In both installations, my screen suddenly started displaying (I believe after screensaver or screen shut-off - the ...
1
vote
1answer
207 views

Dell U2713HM LCD Monitor Killing Wifi (and ethernet) on my Mid-2012 MBP and iPhone 4S

I just purchased a Dell U2713HM monitor. As soon as the monitor is turned on, the internet (both wifi and wired) goes out. I have tried the following fixes: 1) Changing channels on wifi router. 2) ...
1
vote
1answer
420 views

Issue with LCD screen colors after Mac was dropped

I have gotten an issue with my Mac LCD display, after the Mac was dropped. 100% white colors become pink and 100% black colors become green. I don't want to get it fixed, because that would be very ...
1
vote
1answer
3k views

Can't change displays refresh rate

I'm using OS X 10.8.3 and I want to change the refresh rate of my display, but I can't. When I go to System Preferences-> Displays, I have two options for resolution: Best for Display and Scaled. ...
1
vote
1answer
86 views

Maintaining 1:1 rendering on high res screen (Snow Leopard)

I hace A Dell U2713HM screen that is 2560x1440 capable, but my Mac Mini is only 1920x1080 capable. How can I force the mac to display its output at 1:1 on the screen without scaling, so the display ...
0
votes
0answers
81 views

VGA No Signal with P2JR Pico Projector

I have a late 2008 unibody Macbook running OSX Mavericks and I'm trying to hook it up to a P2JR Pico Projector. I'm using the cable supplied with the projector and the official MiniDP to VGA adapter. ...
0
votes
0answers
106 views

MacBook Pro second display flickering between apps?

I read this answer which suggested using gfxCardStatus to force discrete only mode -- didn't help :( (Flickering in Safari after switching back to integrated graphics) What I am seeing is that ...
0
votes
0answers
37 views

Imac doesn' t recognize certain colors

Am seeing this on a lot of website, and even different browsers on my iMac(Mac OS X 10.6.8) colors such as #EEEEEE, and #CCCCCC, are not displayed at all. screenshot: ^ Thats how it looks on my ...
0
votes
0answers
217 views

Display on an HP 23fi monitor with a MacBook Pro

I've recently started using a Mac. I've been on Debian + Thinkpads exclusively till now. I have an HP Pavillion 23fi monitor which I've been using with my old Thinkpad X201 via the VGA port. It ...
0
votes
0answers
55 views

Keyboard not working with display

I have a MacBook Pro connected to a Thunderbolt Display. In the display I have attached a mouse and an Apple keyboard. The keyboard works ok after it has been working but when I get to work and and ...
0
votes
0answers
211 views

iMac Display not waking up

The past two mornings, the display on my iMac wouldn't come back up when clicking the mouse or keyboard as it has for the past 3 years. The curious thing is that when I access it through Finder on ...
0
votes
0answers
13 views

Why does gamma appear to change after exiting Apple Display Calibrator?

I'm trying to use the Apple Display Calibrator tool for an external Seiki 4K monitor on my MacBook Retina Pro. I think the Gamma is off because the icons look stark and unnatural so I think the ...
0
votes
0answers
87 views

iMAC 20-inch - Early 2008 - Brightness automatically dims, no settings to prevent this

My display automatically dims itself after a while and it's really annoying. Of course I tried to search for a solution, but I've got no options like the answers say. They mention "Energy Saver", and ...
0
votes
0answers
193 views

Scale Display Resolution of MacBook Air

When connecting an external 1080p-display to my MacBook Air and select mirroring, the Resolution on the MacBook's internal Display changes to the resolution of the display connected. The maximum ...
0
votes
0answers
132 views

Dual external displays with dvi splitter on macbook air

I've been through the questions I can find about Macbook Air's and their display capabilities. I've just bought a mini display to DVI and a DVI splitter and at first glance I was happy but then I ...
0
votes
0answers
70 views

Macbook pro display color changes in Developer mode

I have Xcode 5 and I develop apps for my organisation. Until now, everything was going fine, however today I have noticed a weird behaviour. When I press Cmd+R in Xcode, the color of the screen turns ...
0
votes
0answers
114 views

2010 15" MacBook Pro unable to recognize internal display, works fine with external

Today I walked over to my 15" Mid-2010 MacBook Pro (which I had been controlling via VNC not long before) and attempted to use it. I was greeted with a screen that would not wake up. After much ...
0
votes
0answers
39 views

Samsung monitor rotation no longer working since update to Mountain Lion

I work with Mac Book Pro,13".10.8.5 and a Samsung-Monitor 2494HM. This monitor has an "Autopivot"-function, comparable to iPad's. You can turn the monitor and see the hidden parts of the screen. This ...
0
votes
0answers
222 views

Mac Mini either won't wake up from sleep or stuck at screen saver

I have a Mac Mini hooked up via HDMI to an Acer Monitor. It's my second computer, I also have a Windows box hooked up. They are both hooked up to the same keyboard and mouse via a KM switch. ...
0
votes
0answers
164 views

Flickering display on MacBook Pro when attaching to projector

I have a 2007 MacBook Pro which I recently updated to Mavericks. When I connect it to a projector for presentations, the screen flickers continuously and frequently goes off for a few seconds. The ...
0
votes
0answers
817 views

Changing color profile for boot screen under Mavericks

JBX_6's solution here worked perfectly for Mountain Lion. My boot/login screen were just as white as my calibrated colour profile. Making this work is a must for me, since my machine came in with a ...
0
votes
0answers
111 views

Disabling, or at least un-preferring, stretched resolutions

I'm trying to play a game (currently “Fallout 2” from GOG) that runs at full-screen in 640×480 (which is a 4:3 aspect ratio). Small problem: My monitor is 1366×768 (16:9). I want to run this game in ...
0
votes
0answers
103 views

Force new display modeline for external monitor

I have a Samsung Syncmaster 204B that will flash off and on after continued use on DVI mode. I have found the solution is to reduce the refresh rate from 60Hz to 56Hz. I have successfully done that ...
0
votes
0answers
113 views

How do I restore my Apple Air to have the original resolution?

I have a brand new 13 inch macbook air. It seems that I keep having with my first time Macbook Air. First it was issues connecting to wi-fi and not resolution. I last used my Mac on Sunday and I ...
0
votes
0answers
41 views

Is there an app or method to force system popups and new windows to appear on a certain PORTION of a display?

This is a bit different than usual because I'm using a piece of hardware called a DualHead2Go since I'm on a Macbook with only a thunderbolt output. What this lets me do is project a virtual ...
0
votes
0answers
43 views

Second display not using the correct refresh rate

I have a second display at work, and when i plug it in i use a thunderbolt to vga adapter, however it always uses the wrong refresh rate 90hz instead of 60hz, is there a way to stop this from ...
0
votes
0answers
379 views

How can I show iPhone display in Macbook or iMac i.e. on larger screen?

I like to read books in PDF Expert while waiting busses. When I go home, I would like to see the iPhone screen on iMac or Macbook. I have VGA -adapter but I have no external display with male-VGA so ...
0
votes
0answers
387 views

Why didn't my Macbook sleep (USB Keyboard/Mouse was connected, lid open)

First off, let's begin with some research that I did before asking this question. Now, in my situation, I was using my Macbook Pro (Mountain Lion) with an Apple USB keyboard connected to the ...
0
votes
0answers
595 views

Stripes & checkerboard pattern on MacBook Pro monitor

I am trying to fix a MacBook Pro (one of the earliest Intel processor models) that spontaneously gets into a state where stripes would appear in a checkerboard pattern all over the display. Please see ...
0
votes
0answers
82 views

Preview zooms view when moving document from laptop screen to external monitor

In Preview, when I drag a PDF document from my laptop screen to an external monitor, Preview zooms in the view by a large amount--enough that I have to click the "minus" button a couple of times to ...
0
votes
0answers
87 views

Waking up MBP for external display

According to the docs, to use an external monitor as the sole/primary display device, I can close the lid on my MBP. To wake it up I can either press a key on my bluetooth or mouse. Therein lies my ...
0
votes
0answers
1k views

How can I disable Power Save Mode on Dell ST2410 Display under OS X?

Hoping someone can help me figure out this problem. I have a Dell ST2410 display hooked up to my Mac mini via the mini display port hooked up to a DVI adapter and then DVI in on the display. The ...