IMac :: Computer Froze After Loud Speaker Squeal During Video Playback
Mar 7, 2009
I just received my refurb 2.8Ghz 24" iMac today. I have been setting it up and transferring files to it for the last few hours. I just installed 4GB of RAM from Crucial to upgrade from my 2GB that came preinstalled. I opened Hulu and started watching a video full screen while I was working on something in the same room. All of a sudden the playing video froze and there was a loud high pitched squeal coming from the speakers and some crackling, followed by another high pitched squeal from the speakers and then the computer froze.
I know it wasn't a fan noise or a hard drive noise, it was definitely a high pitched audio tone and crackling from the speakers when it hung up. The only way I could make it stop is to hold down the power button and turn it the iMac off. I wonder if it could have been my photo collage screensaver kicking in while the hulu video was playing fullscreen that caused something to lock up? It seems like it was in the timeframe from when I walked away from the computer to the time it crashed.
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Dec 28, 2010
I recently downloaded a movie off of Itunes and started playing it. Halfway through it froze. It's like an invisible wall, I can't get any further than it.
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Mar 31, 2009
My current setup is: 2009 20" nvidia iMac, 4GB RAM/640 GB HDI generally would like to know what my expectations for decent video playback should be - thankful for any help people can offer on this:When using the Apple DVD player on full-screen mode, dvd playback seems quite grainy, with pixel lag on fast video sequences. Specifically, I was watching original DVD music concerts. The concerts were at night, so the picture is darker, but on my TV & stand-alone DVD player, the picture was less grainy and there was no 'pixel lag'. During computer playback no other programs were open, WLAN was off. The HD is empty except for Apple's stock software.So, could one or more of the following be a logical reason for grainy playback?:a) it's a computer, not a stand-alone DVD player hooked up to a TV.
b) screen quality: TN panel compared to CRT TV.
c) integrated graphics, i.e.: the 2008 iMac with dedicated ATI Radeon 2600 Pro card would be smoother.
d) display settings on Apple's DVD player. (using stock settings BTW)
e) full-screen mode performance is generally not perfect on any system.
f) none of these - something else entirely.
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Jun 5, 2009
I have a 2G iMac and I have it connected to a Philips HD TV with a mini-dvi to dvi adapter that is connected to a HDMI-to-DVI video cable. I also have a Y audio cable connected iMac to the AV1 on the TV. The problem is I can only select one source on my TV, either AV1 or HDMI 1. If I select AV1 I can hear the audio from the video streaming on my computer (no video shows on the TV), but if I select HDMI 1 I can only see my desktop background no audio or video. How can I get both the video and audio to play at the same time? Why am I only seeing my background and not video?
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Mar 29, 2012
I bought some -R DVDs. I want to burn a 700 MB .avi video onto a DVD so I can play it in my DVD player on my television. I put in -R disk, clicked on the DVD icon when it appeared on the computer screen, pasted in the video file I wanted to burn and it seemed to burn it but when I had finished, I put the DVD into my DVD player connected to television and when I clicked 'play' nothing played, there was just a grey screen.
Info:
Mac OS X (10.4.11), Apple Imac G4, SuperDrive
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Apr 23, 2012
I own an iMac G5 (not the iSight Version), and I have everything up-to-date (10.5.8). Whenever I try to play a video(be on YouTube, or even on the Mac itself) it doesn't play smoothly, like it plays a few seconds, stops, then plays again.
Info:iMac G5, Mac OS X (10.5.8), Video Playback not smooth
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Nov 8, 2010
During video playback (itunes, vlc...) stutters every 50 seconds or so (no exact interval) and the video currently playing pauses for a few seconds, the audio however continues on. After the short pause it skips a few frames ahead. It doesn't seem like a big problem, yet it's very annoying while trying to enjoy a movie.
Also, I'm not sure if these issues are related, but every minute or so my magic mouse jumps around the screen for multiple seconds (not only during a film, all the time...). Also very annoying, as I work with Photoshop & Illustrator, meaning I do very precise work with my mouse.
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Nov 24, 2010
Today, I got home and turned on my iMac 21.5 inch. On a typical day, I'd here the "BONG" and then everything would be normal. Today, my fans, or something inside the computer, sounded like it was going crazy. I have no idea what's wrong.
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Nov 17, 2010
My family just recently upgraded from an old PC to this 27" iMac, during the early part of the summer. While using it over the last little while, I would notice a noise that sounded like a harddrive spinning or possibly some sort of a fan noise. The best way to describe it would probably be as digital noise. It's not incredibly loud, but it's a decent volume, and can get quite annoying. It has a little bit of a squeak to it.
Over the last little while, it's become more constant. When the computer is in use, it'll usually occur quite often. It's quite annoying and obtrusive when I'm watching videos and I'd like to know what it could be.I think our computer is still under warranty, so I'm hoping to find out if it is something wrong, so I can get it replaced.
I've also been wondering if it's a fan, or a regular noise. However, it's so constant that I'm starting to wonder. The other night, I was watching a video and it seemed like it was coming on every 30 seconds for a long span of time. We don't run any memory heavy programs on this computer. If anything, we're just using Firefox, iTunes and/or Messenger. Sometimes Office. There's little to nothing stored on this computer, as it's brand new, so most of its memory is free.
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Aug 26, 2014
I have a 2009 iMac with original keyboard, when I press the volume keys to change the sound while watching a video presentation the key clicks are very loud. I went to systems preference to the keyboard and sound icons and could not find a method of lowering the volume..
Info:
iMac (24-inch Early 2008), also have iphone 5 and newsest IPad
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Dec 21, 2009
I have a 2.1 Logitech Z4 setup, and the sound is only coming out of the left speaker. I have checked the wires, they are fine, and both speakers do work - but it could be the socket that's the problem. It's plugged into the line-in socket, I have put the output in System Preferences to Headphones, and everything is inserted correctly.
What do I do?
EDIT: My sound system is plugged into the headphones jack. I have tried putting headphones into the headphone jack and the sound also only comes out of the left earbud.
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Jun 29, 2010
MAC PRO 2.8 quad-core Intel
4 x 1GB
2 X 500GB 7200 ATA
ATI RAEDON HD 2600 XT 256MB dual link DVI
16X superdrive
Computer froze today, it was running fine this morning. I went to restart it and now it won't restart. No history of this happening before. It will shut down if I force it, but it will not boot up. After I turn it on, it starts up as normal with a chime and goes to the grey screen with the Apple Logo and spinning wheel. But then the Apple Logo becomes a Circle with a Slash through (international "no" symbol), the spinning wheel remains spinning. And then it just stays like that wheel spinning and "no" symbol. I've tried starting it holding down "shift", holding "option-command-p-r", holding "d", holding "c", and holding "option"... with the same results each time. I ran Disk Warrior on all the disks and tried staring up with no external drives and I've cleaned it thoroughly of dust.
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Jun 5, 2012
While watching video on hulu last night, my macbook pro running latest OS, froze. Tried to force quit, but no response, so I shut it down via the power button. On first reboot attempt, I got a folder icon with a question mark flashing where the apple usually is, on second attempt, just white screen, on third attempt, white screen until I hot the spacebar, then it booted up very slowly and now running extremely slow, as in it would take about 5 minutes to open an app.
Info:
MacBook
Pro, iOS 5.1.1
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Apr 17, 2010
Yesterday my mac (powerbook, running on 10.4.11) froze and after I reset it, Safari doesn't seem to load any pages, it just stays in a "loading" state. Firefox, however, seems to be working fine (as does Mail) so it appears to be a problem with Safari. I tried the following:
1) Restart computer
2) Reset safari
3) Use some dns changer remover utility (saw this in another post, and downloaded utility from CNET, but it failed to find any issues).
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May 27, 2012
I have a 2011 Imac and was on the youtube watching a music video when all of a sudden my screen COMPLELETY froze, and a loud clicking noise kept repeating itself nonstop from the speaker, I'm not sure if the sound was coming from the song OR my computer actually making the noise itself. I held down the power button and waited a couple minutes and restarted. The white screen came on with the apple logo, but all of a sudden it completely froze, I waited a few minutes and powered off. I now waited 5 minutes and restarted and it WORKED! Everything seems fine?
Info:
iMac
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Oct 22, 2008
This is my computer setup. just joined on here so i thought id share what i've got and hear any suggestions/opinions
MAC PRO 2008 2 X 2.8 8 CORES 2 GIGS MEMORY, 320 HD, 8800 GT + ATI RADEON (2 GPUS) BLUETOOTH, AIRPORT
1 23 HD APPLE CINEMA DISPLAY
1 20 IN APPLE CINEMA DISPLAY
1 42 IN PANASONIC PLASMA HDTV TH-42PZ85U
LOGITECH Z5500 SURROUND SOUND (CONNECTED TO BOTH COMPUTER AND HD DVR CABLE BOX)
LOGITECH HARMONY 1000 UNIVERSAL TOUCH SCREEN REMOTE
isight
Does anyone recommend a better speaker setup? is there a way to get a higher resolution out of my plasma (currently is 1920 x 1200)
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May 17, 2012
Can I update the video card on my computer?
Info:
iMac
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Mar 20, 2012
My computer is loud when the fan is running. Does anyone have any suggestions?
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Apr 16, 2009
Has it frozen more than once since the time you've received it. Hopefully we can get some idea of what's going on. specify what CPU your system is running (2.93 or 3.06 ghz), along with info when you ordered the system, and when it was shipped.
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Mar 5, 2009
For about a month now I noticed that whenever I'm watching a video on YouTube in HD or when I'm watching a movie trailer on Quicktime at 1080p, the playback lags. Prior to this everything worked well. All the videos I watched played smoothly at any resolution at any quality. I have an iMac with the following specs:
2.4GHz Intel Core 2 Duo
4 GB of DDR2 SDRRAM
ATI Radeon HD2600 Graphics Card with 256 VRAM
Also, I do not have many windows or applications open when I watch these videos. I have also close to 21GB of hard disk space used up out of about 280.
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Dec 8, 2014
i can't listen both speaker in same time? is possible ?
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Apr 10, 2009
Have tried both quicktime and vlc, put video playback seems to be jerky on any panning shots on videos.
Have tried some 1080p trailers from the following link, especially apparent on the new ice age trailer.
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Oct 20, 2010
I purchased it in June and have had this issue from the start. I am getting some artifacting/ghosting effects on the screen at times when watching videos. It happens 3-4 times during an hour or so of playback and resolves itself within a few seconds each time. The effect looks similar to that of poor encoding or something along those lines which is what I thought it was at first, until I tried playing videos that I knew for a fact didn't have this problem. The video pretty much freezes or colors get inverted in some areas, but the audio is not affected. Let me know if you need any additional details.
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Oct 27, 2010
how well HD video plays back on their system?
I know that I'm not gonna be using it for 1080p content while I'm on the go, but I do have a lot of movies in 720p, as well as TV shows.
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Mar 15, 2009
My current Mini (1.83 ghz dual) skips frames when playing back 1080P QT MOV files.
I use the Mini as a DVD player / HTPC. Only recently started taking 1080P video and was bummed at skips on big screen playback.
Has anyone tried playing 1080P video on the new 2.26 ghz model?
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Jun 15, 2009
I have a Mac Pro 1,1 with two displays and an NVIDIA 8800 card. I was booted into Windows 7 using bootcamp, the machine froze during video playback, hard rebooted. Blue Screened in Windows, went to restart into OS 10.5.7 and I get the Apple logo and spinning gear, it then flashes briefly and goes to a grey screen. The second monitor never engages. The machine is fully booted as I can connect to it with my laptop through filesharing. I've tried PRAM/SMC reset, removing all the RAM/all external devices, pretty much everything. I've even tried replacing the video card and switching PCI slots, with the same issue still occurring.
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Jul 20, 2009
I have had my black macbook for a little over 2 years it is a c2d 2.16. It has ran flawlessly until recently it has been freezing during video playback. Mostly during online streaming like hulu or netflix. The screen usually gets these little red or green dots all over it when it happens. A couple times the the sound continued but usually it stops. What is going on? It has happened almost every day for a couple weeks now. I am running the latest version of OSX
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May 19, 2010
Can anyone suggest the reason why my powerbook G4 can't playback video smoothly??
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Aug 3, 2010
I'm using a 15" 2.33 GHz Intel Core Duo Macbook Pro, with 3GB 667 Mhz DDR2 SDRAM, with Snow Leopard. Western Digital 320GB 7200 drive.
I've recently been having video playback issues, starting within Final Cut Pro. The clip will play fine at first but then stutter and freeze on and off. I have to constantly stop and play to get through it.
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Apr 21, 2012
This is question is being posted in the Mac OS & System Software because I couldn't find Quicktime under Windows software. Quicktime Player works fine under XP Pro on one PC and my other XP Pro computer has Quicktime Pro. MOV video is washed out running with Quicktime Pro but also Realplayer's playback is washed out. All other image files display fine.
Info:
Quicktime Pro 7.7.1 1680.42, Windows XP Pro
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