Screen Tearing Issues

As of today, my Mac Mini has experienced severe screen tearing issues, it generally happens on Chrome but has started to also happen on other applications such as Pages. My Mac Mini is virtually brand new and has been used for about 2 weeks. I am using an TV via an HDMI cable. It is the 2.3ghz model with 4gb RAM. The OS is Mavericks. I have tried restarting but that didn't help. Plus the Mac is now hot with very little apps open (Minecraft, Chrome (1tab)) and the fan is loud.

Doesn't sound good... You have 90 days free phone support and a one year warranty on your Mac Mini.
I would Contact Apple Support or the Apple Store where you made the purchased and have it checked out.
Additionally you might wat to get AppleCare, which extends the phone support and warranty to three full years.

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Firefox version 22 screen tearing issue with video

So I've updated to Firefox 22 and have recently started noticing this really annoying screen tearing issue when scrolling. its only when i use Firefox sometimes it happens when I'm watching videos sometimes it just happens on normal every day pages. I've tried to duplicate this issue in other browsers (Chrome) and it just only seems to happen with Firefox. anyone else experienced this and knows how to stop it? kinda annoying

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
''(If you're not using it, switch to the Default theme.)''
* You can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
''Once you get the pop-up, just select "'Start in Safe Mode"''
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshooting extensions and themes]] article for that.
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
''When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.''
Thank you.

Safari only(?) screen tearing issues

Has anybody else seen issues similar to this:
I installed https://gfx.io to check which GPU might be causing the problem. It seems to be the Nvidia GPU.
Certain websites trigger the graphics card switching between Intel/Nvidia fairly frequently; one such site is http://www.natgeomaps.com/
If i reload the page/click on a link and the graphics card switches during the transition to the new page, I will occasionally get screen tearing. I can't replicate this in Chrome, but that may be a timing issue, or Chrome not using the Nvidia card.
Any ideas what to try? No software updates available, so everything is up to date.

Go step by step and test.
1. Empty Caches
    Safari > Preference > Advanced
    Checkmark the box for "Show Develop menu in menu bar".
    Develop menu will appear in the Safari menu bar.
    Click Develop and select "Empty Caches" from the dropdown.
2. Delete Cookies
    Safari > Preferences > Privacy > Cookies and other website data:
    Click “Remove All Website Data”.
3. Safari > Preferences > Extensions
    Turn off Extensions if any and launch Safari again to test.
    Turn on those one by one and test.

Macbook Pro 13" Screen Tearing Issue

Just recently purchased a new 13" Macbook Pro 2.4GHz, and noticed that when I am playing videos or even dragging a window across the screen, there is quite a considerable amount of screen tearing. I don't know whether this is to do with the video card, but the playback of videos is quite bad and the tearing is very noticeable. Any solutions would be greatly appreciated.

I am having the exact same problem (mid 2010 model, 2.66) i notice it happens when i quit a 3D video game like sims 3 or half life 2, even after the graphics update today. Its the worst when zoomed in (control + scrolling)
a temporary fix i ave found is putting the computer to sleep and then waking it again seems to fix it, but after a while it always comes back

Screen Tearing / no Vertical Sync problem on 9400M powered Mac

Does anyone have a fix for the ugly screen tearing issue that happens on the nvidia 9400M powered Macs?
If you don't see it or know what i'm talking about, open up Safari or Firefox, go to slashdot.org for example and scroll slowly up and down the page. You will see horizontal lines "tearing" and an almost jerky display (on Macs with 9400M cards only). This problem plagued windows XP and is a huge reason I prefer Mac's.
Please Apple fix this, or offer an explanation. Anyone else want this fixed or know of a way to force vsync or triple buffering?

Hi, we have the same radeon card as you and am also suffering from the tearing issue. Did you ever manage to resolve the problem?
Cheers

Vsync Screen Tearing / Scan Line Issue?

This is something I noticed on my iMac after updating to Mac OS X 10.6 Snow Leopard. I noticed a horizontal break in the screen when I was doing any kind of graphic intensive operation. Anything from scrolling up and down on a web page in Safari, to switching screens in Spaces, to bring up my Dashboard or switching users with FUS. By opening a new movie recording in Quicktime X and simply moving the video around, you can clearly see this break is not a random screen tear, but actually some sort of scan line moving from top to bottom in my monitor. I've never seen this prior to Snow Leopard, but I suppose it is possible this is a hardware issue, rather than a software or driver issue. Can anyone else duplicate this on Snow Leopard? I am on a 2007 2.8 Core 2 Extreme iMac with RadeonHD2600 graphics.
I made a video of the issue and posted to youtube if you want to see what I am talking about.
http://www.youtube.com/watch?v=0u2BIubdGu4
Message was edited by: Danny Z

I also get this issue in Snow Leopard when connecting my iMac up to a TV via the apply video adaptor. I didn't get this with Leopard and I don't get this on my iMac display.
I've been through all the video settings I can find (frame rates, display sizes, etc) and each one still has the issue. SL has changed the system preferences for external video so I guess something else may have also changed.

2011 iMac 27" Bootcamp AMD 6970M screen tearing/vertical sync issues on 2D Video Playback

Hi Everyone,
I am actually running an Radeon 6970M embedded graphics processor on an iMac 27" 2011 model running bootcamp and windows 7 64-bit.
I am having the same issues with the drivers Apple includes on the bootcamp DVD, as I am having with the drivers download from the AMD website dated 4/13/2012 with the filename:
8.96-120315a-135852C-EDG_Direct
The issue I believe is with vertical sync on any 2d video playback or even in normal desktop actions. I see screen tearing visible in normal Windows 7 operations (click and draw a rectangle on the desktop and I see screen tearing).
When I watch flash videos in google chrome or in internet explorer (ie: Hulu Plus, or netflix) I see screen tearing. It is much more visible in the flash videos.
I also see screen tearing when viewing downloaded .MKV or .AVI content, so the issue is not just with flash. I have tried Windows Media Player and VLC player.
I also have tried turning on vsync to always on in the catalyst control center->Gaming->3d applications, but that didn't make any difference. I didn't think it would because it is 2D content that I am having trouble with.
The monitor has a mode for 59hz. When I reduce the refresh rate to 59hz, there seems to be less screen tearing but it is still visible. What is the issue?

I was having the same problem - I think I remember figuring it out. It was because I had set windows to display everything at a zoomed level - you do this in Control Panel > Appearance and Personalization > Display. Set it back to 100% and the tearing problem should disappear.
I think it's likely due to a subpar graphics card driver.

Late 2006, 24" iMac, 2.16 GHz Intel Core 2 Duo, Screen Tearing, nVidia 7300

Late 2006, 24" iMac, 2.16 GHz Intel Core 2 Duo, Screen Tearing, nVidia GeForce 7300 GT
I've been suffering with screen tearing, strange screen artifacts, etc. followed by totally unresponsive freezing machine. This problem has been happening to varying degrees for about 9 months.
Initially, I was able to mitigate the problem with smcFanControl. Adjusting the fan speeds up helped keep the machine cool and prevent most of the problems. Recently, we had a spell of hot weather and the fans just couldn't keep up. If you're using smcFanControl, the only fan speed that will really make a difference is the CPU. The HDD and ODD fans are no where near where you need to be.
Also, I noticed the machine was LOADED with dust when I took it apart, including the heat sink fins for the graphics card. If you have time you may want to try a thorough cleaning with compressed air before replacing the card. You just need to get through step 11 below to access what needs to be cleaned.
Based on reading here and elsewhere, I decided to replace the graphics card. To give back to the community, I wanted to layout the procedure here.
Where to buy the card.
I had a tough time finding the right card. I did exhaustive web searches using every combination of Nvidia 7300 GT, etc. You really need to search by the Apple part number. The Apple part number for the 7300 is 661-4179, for the 7600 is 661-4180. I found it at We Love Macs and at dv warehouse. I paid $248 for the 7600 card. BE CAREFUL buying a "refurbished" card. At We Love Macs, "refurbished" means "pulled from a working machine." Could be a machine with as much mileage as yours and prone to the same failures as yours.
The card is an MXM style card (generally used in laptops), with a giant heat sink and heat pipe assembly. The card can be separated from the heat assembly. If I had time, I would have tried a generic, cheaper, MXM style card.
Dispelling some myths.
People here and elsewhere have said that no Intel iMac graphics card can be replaced, that they're wedded to the logic board. The one on this model can be replaced, I've done it. Also, some have said you can't put a 256MB, 7600 GT in a machine that originally had a 128MB, 7300 GT. Also, not true. That's what I did to my machine and it is working fine.
So here's the step-by-step on my take apart and replacement. This is just one user helping out others, PROCEED AT YOUR OWN RISK. This takes about 1 1/2 hours to take apart and 2 to put back together.
1) Install the iStat widget and monitor the temperatures for a few days and record the temperatures (to be able to verify that you've completed the repair correctly later)
2) Make a complete backup of any internal drives and make sure the backup will be bootable (use Carbon Copy Cloner)
3) Use static safeguards, like an anti-static wrist strap.
4) Get a pen a stack of paper envelopes to separate and label the pieces you remove.
5) You'll need a #2 Phillips and #6, 8, 10 Torx. Most of the screws at T-8. There are 8 T-8s holding in the LCD. They are about 1 1/4" down. You'll need a long, skinny T-8 to get to them.
6) Unplug the machine and place it on it's back on a large white sheet of paper.
7) Remove RAM door, #2 Phillips x 2.
8) Remove RAM.
9) Remove 4 T-8s along bottom.
10) Remove large rectangular plastic bezel surrounding the whole machine, tilt up being careful not to stress iSight cables. You'll need to stretch it around the RAM ejection tabs.
11) Detach two iSight cables.
12) Peel up black stickers at lower corners of speakers.
13) Remove LCD screws, T-8 x 8. You'll probably drop a few, they're pretty easy to retrieve.
14) Remove two retaining screws on right hand LCD cable. T-6 x2 Unplug cable.
15) Remove LCD inverter cable, left.
Start unplugging everything connected to the logic board.
16) Unplug cable coming from right speaker. Note cable routing, it is the only one that's a little tricky. Also, note that the left one plugs in on the right and the right one plugs in on the left.
17) Remove right speaker. T-10 Note: left and right speaker screws are different lengths.
18) Unplug ODD blower cable.
19) Unplug ODD temp cable and lift up tape.
20) Unplug HDD blower cable.
21) Unplug the HDD temp cable.
22) Unplug the camera & mic cable.
23) Unscrew the clamp securing the airport card (has two antenna cables going to it, labeled PCIE), T-6 x 2
24) Unplug SATA cable.
25) Unplug Power cable, thick black plastic harness, socket.
26) Unplug ambient temp cable.
27) Unscrew the bluetooth card, T-6 x2.
28) Unplug CPU blower cable.
29) Unplug power button cable, 2 conductor, tiny cable, bottom left.
30) Unscrew left speaker, T-10, unplug from logic board, but just leave dangling, no need to remove cable completely.
31) Remove logic board screws. Be careful to segregate them, they have different lengths and different thread pitches and thread types. Some are machine threads going into metal, some are coarse threads going into plastic.
31a) Heat sink frame to case T-8 x 2
31b) Logic board to case T-8 x 3
31c) Screws at heat sink from arrows T-8 x 3
31d) Logic board at bottom near RAM slot T-8 x 2
32) Unplug ODD ribbon cable, be extremely careful. Release plastic tabs on each side to remove. Be sure it is fully and evenly seated when you put it back later.
33) Remove logic board with attached graphics card.
34) Unplug graphics card heat sink sensor cable at logic board end.
35) Remove graphics card screws 2 x T-6
36) Remove single screw from small L-bracket on heat sink 1 x T-6
Replace graphics card.
Reverse steps, put everything back together. Be careful not to pinch any cables when you put the logic board back in. When you put the LCD back in, if you can't get the screws to stick to the driver, use some glue stick from your kid's art supplies.
Test everything. You've disconnected every cable in the system.
I torture tested the machine with a space heater on it, 5 different videos of different formats playing at the same time. No problems.
I took a lot of pictures inside the machine. As soon as I figure out a good place to post them, I'll try to add a link here.
Good luck

Greetings!
I know this is in response to your post from over 2 years ago, but I was searching on Apple's site for the max RAM I can upgrade our refurbed iMac too and it brought up this post.
Oddly enough, I've been experiencing the same screen issues and locking up on our iMac as well. I was concerned it was a bad memory module, but now I'm thinking it's the same issue you found.
Because I bought this some 2+ years ago refurbed from Apple, I'm not surprised that could be the actual problem.
I've pulled this thing apart once to replace the hard-drive which crashed about a year ago, so I'm not totally new at opening it up, but this process you mention sounds pretty intense...just wanted to get your second take on it based on what I've done thus far.
Thanks again for posting this...it was an eye-opener as to what might actually be causing our issues with our trusted Mac!
Joshua

LCD Screen "tearing" during Slideshow

I have a Sony SDM-HS94P that I have absolutely no screen viewing issues with except when I run iphoto slide show. Basically the problem is that I get a "flicker" on the top line of my screen. It goes away when I quit slide show.
I did run the screen saver with the same photos and I do not have any flickering.
Any suggestions?

I've the same problem when see any film with DVD Player!
My system is:
MAC Mini 1.2
TV 32" LCD 16:9
I think "tearing" is a BIG problem and Apple must solve this as soon as possible!!

HDTV Shows - Screen Tearing in iTunes

I've noticed very minor screen tearing with HD shows when I watch them in iTunes. When I open the video file in Quicktime Pro, the issue goes away.
Anybody else noticing this? I mean, it's a minor, minor issue. But I'm wondering if maybe iTunes is bottlenecking its processing speed below HD bit-rates - because my Mac can play 122 Megabit Final Cut ProRes videos without a single hiccup.

Yep, noticed the same thing while watching the latest Terminator: Sarah Connor Chronicles ep last night.
There is definitely something sub-par going on w/ the way iTunes processes HD content.
BTW - this is on iTunes for Windows running on a speedy Vista machine that can easily playback all kinds of HD content w/ no problems otherwise.

Screen tearing in secure guest mode

Just got a new rMBP, 15" (no discrete GPU), 2.3GHz. Slowly installing stuff I want on it and I enabled FileVault. Once it was done, I restarted again and to check out the guest mode.
When Safari started up, it went into a semi seizure-inducing state. Going to the Yahoo homepage caused a LOT of screen tearing. Very noticeable on the scrollbars and anything with anything animated. Yet when I restart and log in as normal and go to the same page with Safari there were no rendering problems at all.
I have reset the PRAM/NVRAM and all updates are installed from the App Store.
Has anyone else experienced this? Is this likely to be a hardware problem or a software problem (gfx driver issue in safe mode)?
Thanks
Chris

Yep that "fixed" it. Very surprised that made it past QA.
I'd rather than have Filevault on than a working guest login.
Chris

Windows 8.1 Screen Tearing Intel HD4000 Graphics

I have the latest graphics driver from Intel for the HD4000 video driver and all Windows Updates applied in Windows 8.1. I am experiencing screen tearing on my TV as a monitor when watching videos. I have tried adjusting the Intel configuration settings
for vertical sync to every permutation and the refresh rate - with no success. Specifically, I have turned V-Sync On. This *should address the issue - but does not. It appears the OS does not respect this driver setting. The screen tearing was
not present in Windows 8 with the same hardware. I know that Microsoft made architectural changes to support adaptive refresh in WDDM 1.3. However I fear that the focus on enhancements for tablets' displays has been at the cost of regressions for
desktop users. I hope that since the issue is easily reproducible and occurring frequently, that someone at MS can start a ticket to work on this. Please help!

Can you rollback the
graphics driver or install a win8 driver for a test? please also update BIOS and Chipset drivers for your machine.
Yolanda
TechNet Community Support

Screen tearing on monitoring

Hi everybody,
I've had this problem for some time now, and I'd really love to sort things out on this issue : I'm monitoring through a Nvidia card (GTX 470) to a 32 inches Sony Bravia monitor. When I had AERO enable in win7, the tearing I had when working with XP disapeared. Problem with AERO was I had constant freezes during the editing. I disabled AERO and now PPro is running very smooth. BUT, since then, the tearing on the monitor reappeared...
How could I solve this ?
Thanks for your help.

I had screen tearing when I turned aero off (gtx 285, win 7x64). I tried just about everything and the only way to get rid of it was to turn aero back on. It hasn't caused any problems with my workflow though.

Screen Tearing on Mid-2011 MBA with 10.8.5?

I've just updated my MBA Mid-2011 to 10.8.5, and have noticed consistent screen-tearing throughout. It's a slow phase that works bottom-to-top and moving any windows around shows a very clear tear (different accelerations either side, leading me to believe this is an issue with the double-buffering timing.) I am aware Apple have performed screensaver fixes(?) and am wondering if others have noticed a similar issue.
Steps to reproduce:
1) Open any windowed application (I used finder)
2) Click and drag window header bar, moving in smooth circular motions
3) Observe over 10-20 seconds this phase-line crawling up the screen breaking the double buffer paging
This wasn't here before, it would've irked me had it been before now. No idea how this'll be fixed without another update, as OS X doesn't really permit much in the way of display server configuration, but any suggestions welcome!

I didnt imply it was an SMC issue, but a diagnostic elimination step.
Ahhh, 10.8.5 .... So I assume Apple let you install same as a developer of the YET TO BE RELEASED 10.8.4
Im afraid theres going to be little assistance HERE for that, ...on an unreleased OSX.

MSI Lightning 7970 Eyefinity 6 screen tearing.

Hello all,
I must start by expressing some dismay over the quality of phone support (probably should repost in another forum). The person I talked to did not really seem to listen to my symptoms or care what I was saying, which is why I am here. You seem to make a fine product, and the tech did not really seem to fit your status quo.
My issue is screen tearing. I have a MSI Lightning with 6 outputs. The 4 adapters are active display port to DVI adapters. The other 2 dvi outputs are in fact DVI-d. What happens is (whether in eyefinity or not), if I take a window and extend it to the full height of the desktop, then drag it from left to right and back across the desktop, parts of the window will not keep up with other parts of the window. Essentially parts of the dragged window will lead other parts.
All the monitors are the same make, model, and resolution. Furthermore, I have two different sets of 6 monitors. The sets of 6 are different make's and models, but within the sets of 6 the makes and models are identical. The problem follows both sets.
I have an ASUS HD7970-DG2T-XXXX. This problem also appears on that card as well as 3 other brands makes and models (6970 too with 6 like display port outputs). I have tried multiple sets of display port adapters and different sets of cables.
The problem persists through video and 3d applications. I have tried different versions of catalyst too, and some are better than others, with the one tearing the least being version 12.7.
My resoulotions are 1920x1080 on all monitors. I have also tried crossfiring two 7970's and the problem is still there.
My motherboard is Sabertooth 990fx with a FX 8120 CPU. I have 8 gigs of ram as well as a 750w PSU.
Thanks in advance to any help offered!

Quote from: Svet on 28-March-13, 03:30:08
have you tried different drivers set?
Yep, all the way back to 12.3 and up to 13.3. It hasn't been fun...

Screen Tearing Issues

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