Capture jerks and freezes

All of a sudden, without changing a single setting, I can't capture material, that I've been able to capture few days ago!?
The preview is fine, I can watch the footage through the preview window in log & capture, but when I press +capture now+ (the way I always capture) the picture jerks and then freezes, and then FCP crashes! Any ideas what the problem could be? My camcorder? It's the only thing I've used between the capture working and not working, I haven't touched the computer.
I've tried rebooting, changing FW ports... the weirdest thing is that this worked perfectly few days ago. Just needed to recapture the same tape again and now it won't work.
Thanks for any suggestions.

Long shot here, Jesse, but is your computer running out of hard drive space?
~Luke

Similar Messages

Why does iMovie project jerk and stop and start in preview?

I have been making iMovies with iMovieHD for years using photos with the Ken Burns effect.
Recently after a movie project gets more than a few minutes long with typical audio and transitions, I no longer can preview it without it jerking and stopping and starting.
Obviously this does not allow me to see what I am doing, how the music matches or doesn't match my photos.
I have tried emptying the iMovie trash and emptying my finder trash, no change.
I have made sure there is plenty of hard disk space on my internal drive, where iMovie and the movie file is located.
Any ideas?

Hi
a. Emptying the trash - something I alway avoid - no matter why.
b. Plenty of free space on internal (start-up) hard disk ? > 25Gb after
project is captured and edited ?
c. Deleted iMovie pref file ?
d. Known trouble maker: Lot's of audio clips. eg > 50 gives a stuttering result
Mix down audio to one audio clip.
e. What kind of original material. 12-bit audio or recording in LP-mode (90min
on a 60min tape) GIVES problems + audio sync troubles.
f. .mpg4, .avi, .wmv and other ailient file formats also is problematic.
g. movie stored on an external USB/USB2 hard disk - often troublemaker.
I use FireWire AND ONLY: Mac OS Extended formatted -
UNIX/DOS/FAT32/Mac OS Exchande DOESN'T WORK
Yours Bengt W

Software crashing and freezing

Photography software 'Capture one' keeps crashing and freezing and is incredibly slow at processing images (most of the time it doesn't even process them).
I have updated my OS and done all manner of system diagnosis which all came back clear. I also updated the software to my appropriate OS.
The software company ran out of ideas to help me and suggested it might be damaged memory on my iMac.
Even though I have enough space on my existing memory chips I bought brand new and larger memory, but the problem persists.
Any suggestions?
Many thanks,

Is it just the one program? If so I'd suspect something other than bad memory. If it is just the one program I'd think more along the lines of software incompatibility. Have you tried creating a new account, logging out of your normal account and logging into the new account to run the software? This is a typical Mac troubleshooting technique so you may have already tried it but if not, do so.

Capture of Video Freezing while Recording (CS3 & CS4)

I was having this problem when I was running Premiere Pro CS3 and I'm still having it while I'm running CS4.
I press F5 to bring up the capture window and I can clearly see the contents of my Xbox 360 being projected onto my screen in the little video (preview?) window. I press "Record" and it will begin recording my play. At any random point, however, the image will freeze, the time elapsed will stop, and the remaining disk space time clock will show 5000+ hours. After I press "Stop" it'll ask if I would like to save the file, like normal, and the image will begin moving again waiting to record the next clip. During the time between the image freezing and me pressing "stop", nothing is recorded.
I use the Blackmagic Intensity capture card in my computer. I know that it works because of the partials that I get from this problem. And the times in which it happens is random. Sometimes it will record for 00:00:01:07 and other times it'll record for 00:02:03:29 and any time between that. The stuff it records is great so I would really like to fix this problem.
What is going on and how might I be able to correct this problem? Can anyone help me? Thank you in advance!
----Skip

If you try with a video camera, things may be different. If you use an XBox, use other software, since PR is a VIDEO editing application.

Footage jumps and freezes

Hi,
I'm running FCP5 on a Quad 2.5 GHz G5 with 2.5gb RAM, but the footage I have captured keeps jumping and freezing when I put it in the timeline. It's not even a complex edit - I have literally got one video track and two audio tracks and I can't watch it for more than a few seconds without it freezing or jumping.
I have no other programs running, my footage is captured to an internal disk, but the project file is located on another computer, which I am connected to via a gigabit ethernet - I know I can just copy the project file to my computer, but surely I shouldn't have to do this. I've been running the same system for over a month now and have never had a problem before!
Cheers
Adam

Good idea, but I'm sure its not the ethernet port that's causing me trouble, since I tried it in both!
Last night I tried a test. I shut down all six macs that are connected to the raid and then restarted just the quad. I opened the project, which was saved on the raid, and all the media (again saved to the raid) - It worked perfectly (no freezing or dropped frames!)
I then started another mac up and tried to play through the same same media - it was constantly freezing and dropping frames, but the Quad was still working perfectly.
Even when I shutdown the Quad, the media was still dropping frames on the other G5!
It really does seem that one day it all works and then the next it doesn't for no apparent reason - I've posted so many times about these issues and one solution keeps coming back - Fibre Channel cards!
Adam

Flash stops working and freezes firefox. I have Fast dial and dont want to lose it so what can I do to fix this?

It doesnt matter what site or what I am doing it will come up randomly and freeze firefox then finally a box pops up and says Flash is busy or not responding continue or stop plugin. Naturally I stop plugin. I always install the latest flash versions I have even uninstall and reinstalled flash and downgraded and still no change or it bugs me to update. I am using firefox 26.0 I usually stay away from the betas if all possible. My biggest worry with using the reset firefox or making a new profile is my fast dial I have tons of sites right there waiting for me to click on and im afraid if I do all this I will lose it. But I have used same profile for years and years so maybe its time. I will just have to redo my fast dial I guess Unless someone can come up with another way to do it. I have disabled hardware acceleration on firefox I have to it makes my browser do some weird things. I also have disabled Hardware acceleration in flash as well. I have cleant temp files and registry. I am good with computers but have never seen issues like this with flash. If anyone could help that would be great. Thanks.

Sounds like you have done a lot. Have you tried to make a new profile for TESTING purposes only? You could have a bad profile. it is possible.
Also, have you tried protect mode for flash? I wrote up a bat file to set it up so you don't have to go digging through system files.
Also i have some unorthodox methods you will not see in these forums to try out if you are interested as they have resolved several peoples that i can confirm issue. I have been going crash free for over 6 months now since i implemented. Believe me some issues nothing in these forums will resolve. Click on my name on the left there is a blog i created just for this issue with all the info and some of the fixes. Everything is fully automated. Very little user interaction.
This will NOT work for everyone, but you cant hurt by trying
Best regards

Bridge CC is asking my to 'purge cache'. When I do this doesn't work and freezes my mac. Bridge is unable to work at all. Please help?

When I start up Bridge CC I get a error message instructing me to purge cache in preferences which I do but it doesn't work and freezes my mac. I cannot curretnly use Bridge CC. PLease help as this is costing me time and money - thank you in advance....

Hold down the Option key as you launch Bridge, keep it down until you see a dialog box, then click all three options in the re-set box that comes up.
If you don't see that re-set box, you're doing it wrong, i.e., you're not holding the Option key down fast enough.

Unable to initialize capture device and device control in HDV

I shot with a Sony HVR-Z1U/Z1N and am using a Sony HDV 1080i tape deck to digitize.
I recently purchased a MacBook Pro and installed FCP Pro 5 on it. After getting over some time code issues we were chugging along, when on the 4th tape the image on the log and capture screen suddenly dissapeared (I could get audio and could see the image on the tape deck). Well after taking the tape out, checking and rechecking it I popped it back in and ever since then, I have been getting this error mssg "Unable to initialize capture device and device control."
I have tried deleting the preferences and starting from scratch. If I do that, and choose the easy setup with HDV- 1080i60, it gives me this error "Unable to locate the following external devices- HDV (1440 X 1080) 30fps.
I upgraded to FCP 5.1.2 this morning and upgraded the OS to 10.4.7 and QT to 7.1.3 and still no change.
Im at my wits end, Ive been working on this for a whole week now.
Thank you,
Bugs

It has been reported to take more than one attempt to correct the installation but, if properly executed on a machine without other system problems, the QT reinstall process does work. The key element here is you must reinstall QT after you trash the receipts. The process is listed below.
x
To do a full quicktime reinstall.
Go to /library/receipts and delete any files that say Quicktime followed by a number e.g. Quicktime703.pkg
Go to the Apple quicktime site and download the appropriate version of Quicktime to your hard drive.
Run the Quicktime installer.
Repair Disk Permissions for your System Disk (Disk Utility > Select the system disk > Repair Disk Permissions)
Reboot
If this doesn't work, then the problem lies elsewhere:
1. your system - user preferences, firewire ports or other system elements.
2. your equipment - camera/deck/firewire cables.
3. your process - not setting up the software properly or using the software erroneously.
Listed below is a troubleshooting process. Not all steps are appropriate but the general process of isolating the problem is useful.
Troubleshooting Steps for OS X
by Jan Johannsen (Collected from: Apple>User Tips Library>User Tips Contributions forum)
FIRST AID
01 Completely shutdown, wait a 5 minutes, restart
02 Make sure you're not running out of free space on the System volume
03 Check/fix the filesystem using Disk Utility &/or Diskwarrior
04 Repair permissions using Disk Utility
05 Create a new user account, and see if the problem persists there
06 Clear system & user caches
07 Run FCP Rescue
08 Unplug all USB, Firewire devices except Apple mouse
09 Startup in SafeBoot mode, and see if the problem persists there
10 Reset system firmware
MORE SERIOUS TROUBLESHOOTING
11 Reapply the latest combo updater
12 Run the Apple hardware diagnostic CD
13 Check the hard drive for bad blocks
14 Take out 3rd party RAM
15 Unplug 3rd Party PCI cards
16 Reset PMU
17 Archive and reinstall the OS
18 Reinstall the system from scratch
19 Send the machine back to Apple

X100e Hanging and Freezing on Wireless

     There was a different thread addressing freezing and hanging when connected via ethernet; however, I have had ethernet disabled from the BIOS since day one of receiving my system but I found my system to be locking up extremely often particularly when connected to the Wi-Fi at Purdue University.
     For reference: The wireless network at Purdue University uses WPA-Enterprise with PEAP + Thawte Security Certificate.
     Naturally, I had the latest BIOS (1.25) and had all the updates available from ThinkVantage System Update, but this did not seem to help any - when I was browsing on my university network it would simply hang and freeze up completely every 30 minutes or so, forcing me to restart the system. It would seem to freeze regardless of whether or not I was even doing anything on the internet.
There did not seem to be any serious issues on my home network, however, which used WPA2-Personal, but I do not really use my x100e at home enough to say for sure.
     I was quite convinced that there was some sort of problem with either the wireless adapter drivers or some sort of power saving feature at this point, so I uninstalled the Lenovo x100e wireless drivers and obtained the newest drivers for the RTL8192SE chipset directly from RealTek and installed them.
     I then went and disabled "Allow the computer to turn off this device to save power" for the wireless adapter from Device Manager. I also set the wireless adapter to "Maximum Performance" and turned off PCI Express Link state power management from the power manager. I also turned off idle timers for stopping hard disk rotation, system standy, and hibernation.
Now after this little set of actions I seem to be able to more or less surf and download things stably on my university network. I must note that, the system will still hang every now and then while I am browsing around. I don't notice any particular pattern to this hanging; it simply happens when I have a browser open and am surfing normally - it will hang for about 40 seconds or so (I can move my mouse but nothing will respond) and then it will simply resume normal operation.
So there is my story....
Has anyone else ever experienced hanging or freezing on wireless networks with their x100e?
Solved!
Go to Solution.

Hello,
So far, my networking results with my ThinkPad X100e have been very good, but I have only used it on a few networks.
Have you tried using your ThinkPad X100e on different wireless networks to see if the results vary? Perhaps the problem occurs with wireless networks that are configured in a specific fashion or using specific hardware. Connecting at a local coffee shop or public library or other venue with wireless Internet access may provide a different experience.
Regards,
Aryeh Goretsky
I am a volunteer and neither a Lenovo nor a Microsoft employee. • Dexter is a good dog • Dexter je dobrý pes
S230u (3347-4HU) • X220 (4286-CTO) • W510 (4318-CTO) • W530 (2441-4R3) • X100e (3508-CTO) • X120e (0596-CTO) • T61p (6459-CTO) • T43p (2678-H7U) • T42 (2378-R4U) • T23 (2648-LU7)
Deutsche Community Comunidad en Español Русскоязычное Сообщество

IMac loudly whirs and freezes. please help!

I have a 27" iMac purchased November 2009. Have tried searching discussions for help but am unsure what to call the problem as it is so peculiar!
Several times an hour it makes a strange loud whirring noise (which does not appear to be a fan to me as it is not a smooth sound, sounds more like a hard drive 'thinking' possibly?? but I have no idea) and freezes until the noise stops (which generally takes anywhere between 10-30 seconds). Very frustrating as it interupts my workflow and all I can do is wait it out. It does not seem to matter how many/which applications are running. it happens when i have creative suite open but then it also happens if all i have open is chrome!
It is within warranty, however I have no time to take it to be fixed until November as I can't be without it until then, so am hoping someone will have a suggestion to help me out!
I don't know what other information would be helpful, but just in case, it has 4GB of RAM and has a 3.06 GHz Intel Core 2 Duo processor and still has about 775GB of hard drive space free.
would doing a fresh install of my OS help?
any advice you can give me would be appreciated! or point me towards an existing discussion (all i could find were people describing their whirring noise as a buzzing, and mine is definitely not buzzing)

My first thought would be the hard drive, you may not have time to get it check out until November
but think about what you might loose if you don't. Just have a great backup plan for a just
incase scenario
If its not a harddrive, what ever you have going on is not good, as your aware of, you need to
reevaluate and think about if you lost what you have verses not having access to your files.
I assume you have contacted Apple support on the phone, to see what they might have to say
Its nothing to fool with in my opinion
Mike

Imac slow and Freezes PLEASE HELP!

PLEASE HELP!!!
Hello i have and imac G5 i bought it in about june of 2005...
It was running very slow and always freezing and then i upgraded the RAM to 1gb
and it started working much better. then i upgraded to OS Leopard andalso pro tools LE 7.4
and since then has been performing slow and freezing all the time. ai recently added another gig of RAM just to see if that was the problem , but it seems to be working just as slow. Does anybody know what it might be. Its a 1.6 GHZ power PC G5 and has a 80GB HD and have about 20 GB free so i dont think thats it. Please let me know if any of you have had this problem or know how to fix it thanks

Except for the keyboard & mouse, disconnect all devices from your computer.
Repair your disk from your System DVD.
Repairing permissions from the Tiger or Leopard DVD
Boot up from your Tiger or Leopard Install DVD while holding down the "c" key.
Select the language you wish to use, and then choose "Disk Utility" from the menu bar.
Your HD should appear in a panel on the left hand side of the window which opens. Select it and then click on the "repair disk" button in the right hand section of the window.
If Disk First aid is able to complete the repair now click on the "Repair permissions" button.
Once this process has been completed restart your computer.
===============
Get a larger HD
===============
Use Software Update to update your OS to OS 10.5.6.
Afterwards, repair permissions & restart your computer.
Your system info confirms you are still using an outdated version - OS 10.5.4.

My weather channel app doesn't work and freezes my phone

My weather channel app doesn't work and freezes my phone. I've tried closing the app. Also tried deleting and readding it. All my other apps work.

Try this:
Make sure your iPhone is fully updated.
Restart your iPhone
Do NOT open the app, just delete it
Reset your iPhone (hold down sleep/wake and home buttons simultaneously until you see an apple logo, then release the buttons)
Readd the app
Open the app and test.
If that doesn't resolve the issue, then it may be an issue with the app itself and you might have to contact the app's developer.

I have a powerbook G-4 15 inch, It wont boot up and the display only works on the first try. it gets to the apple screen and freezes, when i try to restart theres no display. Help please, whats the issue here?

I left it running over night, it was running perfectly, in the morning the screen was black. i tried to restart it and got no display but i can hear the machine running. so i put away for several months, plug it in, charge the battery, it boots, i have a display, it loads the desktop and freezes. when i try to restart it theres no display. the last time i tried, i started it, i got to the apple screen and nothing. whats the issue here? please help.

Will it boot OK in Safe Mode? See What is Safe Boot, Safe Mode? (Mac OS X)
http://docs.info.apple.com/article.html?artnum=107392 Takes a while to run, but it usually "fixes" problems.
Safe Boot takes longer than normal startup
http://support.apple.com/kb/TS1884?viewlocale=en_US
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
http://docs.info.apple.com/article.html?artnum=106214
 Cheers, Tom

I can not install Itunes 10.5 on vista or windows 7 my iphone 4 is much slower and freezes when i go to the store they turn me away with my laptops and tell me to buy there computer thats the only answer. I know there has to be away around it?

I ca not install Itunes 10.5 on vista or windows 7 my iPhone 4 is much slower and freezes and also certain apps and also certain features will not work on the phone now that I cannot update it to ios5. When I go to the store they turn me away with my laptops and tell me to buy there computer that's the only answer. I know there has to be away around it? I am also up for a new upgrade on my second phone line and was going to get a 4s but now I am thinking it may be the wrong choice I am very unhappy with Apple right now...

WOW! That font is difficult to read. But, see if this support document helps you http://support.apple.com/kb/TS3989. Photos stream is based on date and photos more than 30 days old are removed. Photostream is designed as a temporary storage to allow you to download the photos to the computer.

New 27 iMAC keeps crashing iMovie and freezing videos on YouTube & Quicktime

We just got a new Sept 2013 iMac three days ago, purchased refurbished from the Apple Store online. The whole point of the purchase was to be able to use iMovie to thoroughly edit videos for our YouTube channel, use garage band, lots of internet surfing and video watching etc. We spent the extra dollars to get what we thought was the most improved version of the iMac with all the souped up specs in order to avoid any hassle and headaches from a lack of performance. Here's what we have:
3.4GHz quad-core Intel Core i7
27-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1440 resolution
8GB (two 4GB) of 1600MHz DDR3 SDRAM
1TB hard drive (We have only used 80 GBs of it so far, so plenty of space left)
NVIDIA GeForce GTX 775M graphics processor with 2GB of GDDR5 memory
720p Camera & Mic
OS X 10.9
We're feeling a bit duped now as this seems to have turned out to just be a big expensive piece of junk. Here are our problems:
- Firstly, thank goodness that we had our own Logitech HD camera/mic left over from our PC because the "HD camera" built in to the iMac is worse in quality than my old blackberry curve. Grainy, lack luster, mic has sharp and distant sound, really really bad and false advertisement.
- In the middle of using iMovie (iMac came preinstalled with the newest one, i think its 10?), it will stop responding properly or will crash and close, we wont even have any other programs running.
- When opening Quicktime to record a new video, in the middle of a recording or while the recording window is idle, it will start glitching - flashing between live footage and a freeze frame repeatedly. The only way to stop it is to quit out Quicktime and open again and try to record quickly, or in some cases we have to completely restart the iMac, which then still randomly in the middle of a recording or idle window it will continue to flash and glitch. (You can view an example here in the last minute of one of our videos, we tried to make it work and kept the take since we were doing our outro music dance, but it totally ***** when this happens randomly during our content portion and we have to redo recording. http://youtu.be/MAJzaEShJGw?t=4m34s )
- When watching YouTube videos, the computer takes a while to respond to a command, like if we click on a certain part of the video, it will not load it until we press the pause/play button a few times and wait. Also at the beginning of a video it will start glitching and freezing again, similar to how we explained above in the quicktime, but faster.
If you are familiar with what could be the problem or have any advice, PLEASE HELP, we are concerned that after dropping so much money within just 3 days of use, this iMac is not performing flawlessly in the areas that we most needed and want to know if these issues are common and fixable or if its a defect that would require we send this thing back immediately. We did not get apple care and would hate to have wasted money that we really dont have on a glitchy crashing huge piece of junk.
Want to mention a few other pros and cons unrelated to our issues, for those who may be considering buying one too:
PROS:
- The Magic mouse is really great, particularly because of the scrolling and zooming gestures. (Though sometimes i accidentaly swipe in a browser and go back to a previous page losing any information that was input on the page i was originally on, for example, i had to retype this whole apple imac inquiry because i swiped backwards by mistake and the whole form cleared! annoying, wish the horizontal swipe navigated between tabs instead of going through the page view history.)
- When the imovie is not crashing, after watching some tutorials and making a few vids, its a really greatly improved program from the '09 version we used to use. I import and edit videos much faster now, and footage does not freeze or take time to load while im dragging and dropping, it is immediately responsive.
- Love using the Talk to text function (like Siri) by pressing "fn" twice. Use this to write long emails and papers with ease. Would like to see a "Speak" read back option that allows for text to be selected and read back (like Siri on iPad)
CONS:
- The text is SO small everywhere and there is no option to exactly set text size across the whole system, only option given is to set a different resolution which lessens the quality of the screen with pixelation, and some programs give you the option to set custom sized text in their individual preferences.
- Sometimes in both iMovie & Garageband, simple automated functionality will stop working, for example in iMove, when certain screens or images are dragged and dropped to the work area by the activity bar (i dont know what else to call it, the line that rolls across during playback or stays put when pressing spacebar) usually, that screen or image will click into place to align with the activity bar and will highlight the bar yellow to further communicate that alignment before you drop it, but after extended use in a session, that snapping into alignment when adding items stops working. Or sometimes you can drag and drop the ends of a title screen to adjust/trim the clip, but after extended time that too stops responding and does not let the cursor turn into that arrow that allows you to trim or extend, until after many frustrated clicks or a quit and restart.
- When sharing/exporting a video from iMovie, i would recommend unchecking the add to theatre option because it significantly extends the amount of time needed to complete the action and i found out the theatre is just like a video stream of your movies to be shared on icloud for easy access from your other devices (similar to the icloud photostream connected to iPhoto). It takes the time to make the video readily availabe in various sizes on the Mac server for easy access, which means it takes forever for your video to be exported to where you actually want it. This is not something we need and is not worth the wait time. (For example, last ime we left the theatre box checked, the progress status of the video was estimated to be completed in 351 minutes, and then 20 minutes later that somehow inclreased to 385 minutes, then duddenly it was done, so i think this add to theatre option also cause the progress status updates to go berzerk.)

Given the maximum RAM that model can use is 32GB, and the earlier release of that 27" mid-2013 iMac is nearly the same in most regards, you may note the listing of this slightly older iMac 27" is here in an Apple support document...
•iMac: How to remove or install memory:
http://support.apple.com/kb/HT1423
http://support.apple.com/kb/HT1423#1
The images of where the RAM chips are located, behind a metal plate, should be similar in your iMac and the mid-2013 iMac 27" shown in images on that page. Note there are several models discussed.
You could take the computer to a certified Apple service facility (retail store, or specialist reseller) and pay them to do this, and buy the RAM from them, and you will pay for this at a retail level. If they do it, you'd want to be assured the computer did all the things you sought to cure by upgrading RAM, correctly without fault. Like run tests and stuff.... Or there's no reason to not go ahead (after confirming from Apple) that you could buy quality RAM and do this job yourself, citing the Apple page link I'd posted above.
Contact Apple Support:
http://www.apple.com/support/contact/
You'd have to obtain the correct RAM (as indicated in my earlier post, citing MacTracker) of suitable quality for use in a Macintosh computer, and the recommendation for a DIY is to get the kit from 'Other World Computing' OWC online at their site. You can talk to knowledgable sales staff at OWC about what you have and what you need, and to help they may ask for the product serial number.
This is OWC and they have the spec RAM required for your iMac 27" model; double-check info:
http://eshop.macsales.com/shop/memory/iMac/2012_27/DDR3L
Since yours is an Apple Refurbished model it will have a different number series. Unlike those in a retail store, because Apple does that to tell what ones they refurbished; refurbs I bought online were like that.
With questions during the first three months, you can get 'support' under the initial 90-day span of ownership of the new (and certified) Apple refurbs bought online; the other part of that is 'service' for 1 year. Call a nearest retail Apple Store, to set a genius appointment; or go online, and start the process of reporting your issue, while you still have some kind of warranty on the device. They can diagnose the issues you cite and tell you if you can upgrade the RAM (as you likely can) then you can buy and install the RAM yourself and probably pay less than 1/2 the retail rate, if you get some from OWC. A diagnosis is free if the Genius looks into it, but you'd need to set an appointment & lug the iMac to their store; protected from weather/shock.
If you want to extend the complementary service to three years (less the included 90-days) and add two years of AppleCare service, that is an affordable option of about $170. For a total of three years coverage.
{If you had a 21.5-inch iMac the RAM would require a service department visit where they use a different method to install the RAM upgrade. Those are built differently than the 27-inch iMac.}
There is a bit of detailed important information in the Apple link on how to upgrade the iMac RAM. There is a certain amount of RAM installed already and these chips would likely be removed if you get matching sets of new RAM to upgrade the capacity. And no matter what some say, there is a reason why they can be upgraded with more. Even with Mavericks OS X 10.9.x and its 'memory compression' etc, it would gladly accept all the RAM upgrade chips it could swallow. (Behind metal screen, mid-bottom iMac 27")
You may need to consider questions about applications that use system resources separate from those about whatever issues your iMac seems to exhibit. There may be some other cause of the video and iMovie symptoms, but more RAM won't hurt given the beast you bought can use 32GB and it has 8.
And if it seems too much to handle, you have 14 days from date of
purchase to take it back. Contact them ahead of then, if you do.
Hopefully this helps.
Good luck & happy computing!

Capture jerks and freezes

Similar Messages

Maybe you are looking for