IMac 20" sound and other problems

My dad has just bought me a 20" intel iMac for my 18th birthday, and has let me have it 2 weeks early, and I love it!
But yesterday i ran into various troubles. I turned my mac on, hearing the usual startup chime,but there was no sound at all coming from the internal speakers as soon as I got into Mac OS (fully updated as well as firmware 1.01) e.g. playing a song on itunes. Absolutely nothing.
When I plugged in my usual external speakers into the headphone jack, the sound was unusually low, and when turning the external speakers up there was a very distinct crackling sound along with the music that was playing.
This, I thought, was just a minor problem that could be easily rectified. That was until my screen went a dark transparent grey with a multilingual message telling me that I needed to restart my computer. So I did, and mac os booted up again telling me that Mac Os had encountered an error. I sent a report to apple at this point too. Then the screen went transparent grey again telling me to restart.
This continued, and I decided to quickly back up my files to a nearby pc (I'm recently converted to Macs), and I inserted my Mac Os install disk. I knew what I was doing as I'd formatted a few days ago due to accidently erasing my mac partition whilst trying out bootcamp . I did a full erase of the mac harddrive, and started the install process, when the grey screen happened again! This led me to beleive it wasnt a software fault. I restarted and attempted to install again. This time no grey screen, but a horrible noise came from the under the bottom left of the screen like a violent clicking. I turned the mac off straight away. I booted up again and installed Mac OS without any errors.
Still, no sound and still the grey screen popped up. I finally decided to phone Apple up with the number from the applecare box. The man on the other end guided me through various diagnostic procedures, getting me to hold applealt+RP, and got me to reinstall mac os, at which point we hung up.
Mac OS worked fine this time with no grey screens, but the sound still didnt work. I phoned applecare up again and a woman showed me the sound pane in system properties. The Output listing didnt show internal speakers at all and just showed Line Out. Well all in all my mac is in the same state right now, apart from I keep getting more and more grey screens, and it seems to be really unstable when trying to install software updates for example.
The woman on the phone arranged to have it repaired, but I was wondering whether anyone had any clue as to whats going on with my mac.
I'd really appreciate any ideas or comments about it. I'm sorry about the length of this post too!
iMac Intel 20" Mac OS X (10.4.6) 2x 512mb ram

hey rob,
if your machine was okay, up to the point of your 'experiment' with installing windows, it looks like your problems stem from a dodgy reinstall after the bootcamp attempt [i did the same thing, duing the formatting prep for windows, erased the os x partition bahhh]...i reinstalled and i haven't had any problems since[trying to find a slipstreaming scheme with the older xp pro disk i have].
importantly, though is this clicking sound, not good.
i'd like to know, through looking in the apple system profiler what brand HDD your machine came with. there would be letters designating western digital, seagate or maxtor.
it may be, that this component is faulty. imho i'd prefer one brand over another that apple uses, other threads on the subject have different opinions about that...; ^]
http://discussions.apple.com/thread.jspa?threadID=384923

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I purchased Ipad 3 last year and got problem of losing sound when I restored the Ipad throgh itunes. The sound came back automatically after I charged the device to 100%. Recently I got the same problem when the operating system was Ios 6.1.2 and then i got updated it to ios 6.1.3. The problem has not been solved while has been added up. Now the Ipad operation is slow, its either freezes and crashes frequently. Once it gets in sleep mode then it does not come back untill i press power button and home button togehter for sometime. I have checked all settings like mute and have restored the ios multiple times on two separate PCs but the problem is still there. Please help me what i need to do next.

Try a reboot of your ipad. Hold the Sleep/Wake button and Home button simulataneously. Keep holding, ignoring the red slider, until the Apple logo appears. Release the buttons and let the ipad restart. A reboot often fixes numerous problems.
Also are you aware that by suncing with a different computer it is likely the personal stuff you had on your ipad from your imac will be removed?
The ipad is designed to sync with only one device.

Sound and other problems

Firstly I have some sound problems:
Yesterday I watched a movie which I always do with my headphones on. I noticed the sound quality was terrible: No bass AT ALL and hardly any power in the sound, I had to turn the volum way up. I also heard a constant high pitched tone... It really pissed me off...
And just a minute ago I heard a single beep come from somewhere in my case, what does that mean?
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Hmm, I havent had any issues with my movie/tv collection and a pair of very cheap headphones, sound seems around the same as my old onboard ac97, just a bit more "clear".
Did you try with other sound-sources, like winamp, etc ?
Reason I ask, is that if you play movies in windows some audi-codecs give really low sound (fx. I have had quite a few movies where the bagground music would be loud, but I could hardly hear the voices) especially the ac3-audio codec can cause this, pretty sure theres a utillity floaing about on the net, that allows for tweaking sound volumes in ac3-based sounds.
Havent had any beeps either...

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i dunno how to describe my imac,this problem giving so much trouble.
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1.in windows boot camp, using normally,but suddenly restart the computer itself.
2.in mac os x,same as using normally,suddenly the computer disconnect both wireless keyboard and magic mouse, then it remaining at the screen like can't move at all.Immediately, its come out three beeps sound,that are so loud. I have no idea how to close it, so i have to force to shut down the computer by pressing the power button 5 seconds.
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I HAVE SEND TO SERVICE CENTRE TWICE, IT JUST COMES OUT THE SAME PROBLEM!
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Hard to believe, the problem is back!
Everything worked just fine last night. This morning I turn the iMac on and the problems are back: Extremely long time to startup, application hangs, everything super slow.
Any ideas?
I restarted in verbose mode and took some pictures, in case that helps...
http://gallery.me.com/cjanz#100008

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Hello,
I have been having some serious problems over the past several months. In the past it was fairly manageable, but recently things have been getting worse.
I have a 12-inch PowerBook G4, I bought it at the McGill bookstore in October 2004. The first problem was the apparently random crashes that Mac OS X (v.10.4.8) would experience from time to time. It was fairly infrequent at first so it didn't bother me too much (and I thought it was just some sort of glitch). But it persisted and came to be expected.
What would happen is that my screen would darken and center box would appear telling me, "You need to restart your computer. Hold down the Power button for several seconds or press the Restart button." (it would display this message in English, French, German, and Japanese for my convenience). After I restart the computer I get the message, "The computer was restarted after Mac OS X quit unexpectedly". At first it seemed to be linked to time; after a while it would just crash, sometimes after an hour or so, sometimes after as little as five minutes. (I fear as I write this that I will have to start over). More recently I've come to associate the crashes with movement of the computer; perhaps the battery (which is pretty much dead after so much use) is affecting the performance, I don't know.
The next problem, which coincided with the crashes, was my clock being reset. I assumed this was directly associated with the spontaneous shutdown of the computer, yet though the crashes continued, the clock was not always reset (just about a third of the time). This was a pretty frustrating inconvenience given the frequency of the crashes at the beginning.
The major problem that prompted me to take action was the lose of sound. One day, about a month ago now, my sound suddenly stopped working. At first I thought it was a hardware problem, but then I noticed the sound was still working with some things and just not others. For example, the sound increase/decrease indicator (the 'pop' sound when turning up or down the sound) stopped working, yet the startup sound still worked. I've found that Realplayer, MPlayer X 2, and Windows Media Player work fine but iTunes, VLC, and Quicktime don't. Most of the applications simply don't make sound but when I try to video in VLC I get the following error: "auhal: we cannot find our HAL component" or "auhal: audio-device var does not exist. device probe failed."
Other minor errors I have come across include inability to detect the Airport card (remedied upon restarting the computer) and occasional seizing up of the keyboard (the letter keys, exclusively, were unresponsive for sometime before working again suddenly without need of restart).
I've run diagnostic tools such as Disk Utility and the 'fsck' command in single-user mode, but nothing has been detected. It consistently comes up saying that everything is alright.
I have backed-up all important files and programs (with the exception of my Firefox bookmarks, do you know how I can save those?) and am prepared to do whatever it takes to bring my computer back to working order. I need my computer for schoolwork and assignments so if I can fix it myself in anyway... I would prefer to avoid lengthly repairs if possible.
Please let me know what my options are, and/or possible things I can do to repair these problems. This whole affair is, unsurprisingly, driving me crazy.
One last thing, upon launching Microsoft Word, I get the following pop-up:
Application Launch Failure
The application "Word" could not be launched because of a shared library error: "3<Microsoft Word><Microsoft Word><MicrosoftLSLibZ>"
I do not know whether this is linked to my other problems or not. This too, is something that has recently come up and is significantly affecting my work (I have had to switch to writing my essays on TextEdit).
Any help is greatly appreciated.
Thank you,
Eric Oosenbrug
PowerBook G4 Mac OS X (10.4.8)

try shutting down, remove the battery, carefully pull out AirPort card and reinstall it.
maybe run hardware test included with CD kit

Sound loss, crashes and other problems

Hello,
I have been having some serious problems over the past several months.
In the past it was fairly manageable, but recently things have been getting worse.
I have a 12-inch PowerBook G4, I bought it at the McGill bookstore in October 2004. The first problem was the apparently random crashes that Mac OS X (v.10.4.8) would experience from time to time. It was fairly infrequent at first so it didn't bother me too much (and I thought it was just some sort of glitch). But it persisted and came to be expected.
What would happen is that my screen would darken and center box would appear telling me, "You need to restart your computer. Hold down the Power button for several seconds or press the Restart button." (it would display this message in English, French, German, and Japanese for my convenience). After I restart the computer I get the message, "The computer was restarted after Mac OS X quit unexpectedly". At first it seemed to be linked to time; after a while it would just crash, sometimes after an hour or so, sometimes after as little as five minutes. (I fear as I write this that I will have to start over). More recently I've come to associate the crashes with movement of the computer; perhaps the battery (which is pretty much dead after so much use) is affecting the performance, I don't know.
The next problem, which coincided with the crashes, was my clock being reset. I assumed this was directly associated with the spontaneous shutdown of the computer, yet though the crashes continued, the clock was not always reset (just about a third of the time). This was a pretty frustrating inconvenience given the frequency of the crashes at the beginning.
The major problem that prompted me to take action was the lose of sound. One day, about a month ago now, my sound suddenly stopped working. At first I thought it was a hardware problem, but then I noticed the sound was still working with some things and just not others. For example, the sound increase/decrease indicator (the 'pop' sound when turning up or down the sound) stopped working, yet the startup sound still worked. I've found that Realplayer, MPlayer X 2, and Windows Media Player work fine but iTunes, VLC, and Quicktime don't. Most of the applications simply don't make sound but when I try to video in VLC I get the following error: "auhal: we cannot find our HAL component" or "auhal: audio-device var does not exist. device probe failed."
Other minor errors I have come across include inability to detect the Airport card (remedied upon restarting the computer) and occasional seizing up of the keyboard (the letter keys, exclusively, were unresponsive for sometime before working again suddenly without need of restart).
I've run diagnostic tools such as Disk Utility and the 'fsck' command in single-user mode, but nothing has been detected. It consistently comes up saying that everything is alright.
I have backed-up all important files and programs (with the exception of my Firefox bookmarks, do you know how I can save those?) and am prepared to do whatever it takes to bring my computer back to working order. I need my computer for schoolwork and assignments so if I can fix it myself in anyway... I would prefer to avoid lengthly repairs if possible.
Please let me know what my options are, and/or possible things I can do to repair these problems. This whole affair is, unsurprisingly, driving me crazy.
One last thing, upon launching Microsoft Word, I get the following pop-up:
Application Launch Failure
The application "Word" could not be launched because of a shared library error: "3<Microsoft Word><Microsoft Word><MicrosoftLSLibZ>"
I do not know whether this is linked to my other problems or not. This too, is something that has recently come up and is significantly affecting my work (I have had to switch to writing my essays on TextEdit).
Any help is greatly appreciated.
Thank you,
Eric Oosenbrug

Hi, Eric.
1. You wrote: "...my screen would darken and center box would appear telling me, "You need to restart your computer. Hold down the Power button for several seconds or press the Restart button.""You are describing the following message:
That indicates a kernel panic. Failure to address these when they first arise can result in bad problems becoming worse.
See my "Resolving Kernel Panics" FAQ. This FAQ includes step-by-step instructions for identifying and resolving some of the most common causes of kernel panics. The FAQ is a roadmap: start at the beginning and work systematically through the end, i.e. the "If all else fails..." section.
2. You wrote: "…upon launching Microsoft Word, I get the following pop-up:
Application Launch Failure
The application "Word" could not be launched because of a shared library error: "3<Microsoft Word><Microsoft Word><MicrosoftLSLibZ>"
I do not know whether this is linked to my other problems or not."It's probably related. Failure to address the kernel panics when they first arose may have resulted in a corrupted OS. I discuss shared library errors in my "Troubleshooting shared library errors" FAQ.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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Hi 2 everyones, I notify all about strange things when run Logic X but not only in my new iMac 27" the same in older Mac Pro mid 2008.
In my Home Studio I use with satisfaction this Mixer with USB 2.0 interface.
In this early 2014 change my iMac 21,5" (late 2009) with iMac 27" core i7. From start using Logic X, after recording audio track sometimes the sound distorce, clip and sometimes not.
I’ve try everything (disconnect USB, reset logic,..) but the problem persist.
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When change from Logic to STP (and reverse) notify center tell me that I’ve change my midi interface but the strange thing is that I deactivate notification center in Logic….. Can someone tell me more??
PS. I read something in this discussion but confusign me too much
Thanks

Ok, the first problem was gone when I completely reset PRAM and VRAM.
But the second is still there. When I open Logic x, and then want to edit externally (with STP) the file (SHIFT+W) edit it and then try to save, STP stall, and I must force quit. Then the second time i re-edit externally the file open it in STP edit, save and that's is fine....why?
Thanks to all forum

Imac's Sound and Mic stopped working!

Last night my Imac's sound stopped working. Internal speakers don't work, plugging in external speakers don't work. I thought this was just a hardware problem, but my internal mic also doesn't work, which is on the other side of the computer....
I've rebooted many times, cleared the pram, checked my preferences, played with the audio midi controls, plugged and unplugged the cord in the line out and did everything besides dance around the mac singing.
Any suggestions on how or why this would just stop working? It has to be something i'm missing, some setting.
I've downloaded Line In, didnt do anything. I downloaded Sunflower, didn't do anything.
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Help please!!

ok let me help you with this process, go to the system preferences in your OSX go to the icon Sound click on it internal volume should be all the way up or mid high up Output volume either all the way up or mid way up thats in the input tab on the top. Now the output tab should the balance should be in the middle and output volume should be mid or all the way up . If that is not the case then there could be a hardware problem which I doubt because when the computer is off it creates a connection from line in to line out.

Ios 5.0.1 crashing, slow and other problems

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I have tried to fix the phone by disableing and enableing anything I can find from notifications, location services and icloud and nothing has helped.
I have also tried rebilding the phone, both from a backup, and restored as new. I have taken the phone to an apple store and had them restore it as well, they claim to be able to restore "deeper" than what I can do at home, I assume this is similar to flashing the firmware and not just the software. Doing any kind of restore does seem to help with the speed problem for about 2 days as it slowly gets worse and returns to its ever slow and defective operation.
I have not noticed any problems with my ipad v1 running ios 5.0.1
Two of my freinds complain about a similar experience with ios 5 on the iphone
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Message was edited by: AtomicFlx
Message was edited by: AtomicFlx

Here's and update on my problems and here are are some screen shots of the types of problems I've been having since the v5.0.1 update. Keep in mind these are native apps and I have tried the rebuild phone crap many times, nothing helps.
This is screen shot of a what happened when I tried to use my camera one day, both the front and back cameras were all black. I had to power cycle the phone to get rid of this problem. The cameras appeared to be working correctly, I could focus and zoom but it was all black.
Here is an image of what happened when I searched for something in a map. This is after I picked the choice I wanted, the keyboard disappeared but the list didn't. I had to force close the app and restart it for this problem to go away. Who knew five bars on ATT was possible.
And finally this is the messaging app, although you would not know it. I had to return to home screen (after a long pause for it to process the button push) and return to the messaging app. This happens all the time with the messaging app and the notifications sounds drive me crazy. If i'm using the phone, say browsing the web and I get an incoming message its almost 100% of the time the messaging app will screw up. The sound will play at the wrong time or not at all, message will show up in notifications and diasapear in message app or Ill have a problem like this:

After upgrading to Lion 10.7.1 - iPhoto and other programs slow to open and other problems

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olegz,
First, thanks for the clear graphics.
Authorization seems to be the hangup here. But instead of dealing with the complications of conflicts in authorization, which might take several weeks to months to iron out - site by site - I urge you to follow a different path.
It looks like you're using Chrome. For this site alone, use either Safari or Firefox, both of which are more likely to have plugins to deal with authorizing your site. Safari is already on your computer, but v.3 of Firefox is stable, too. Frankly, I can't tell you what specifically might be the problem here; but switching browsers will solve the immediate problem.
Sound good? Not so good? Post in this thread so that I or others can solve your problem once and for all!

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I can only assume this is a problem with my intel imac?
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File & folder names are limited to 40 characters in Windows so I would expect (judging by the titles given in the store) to find the movies in a folder called:
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and to be called
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tt2

Sound and microphone problems.

Dear members:
After a lot of frustrating attempts to use a microphone with my computers I have finally given up and decided to search for help with this issue.
I have used a earset on three different computers I own (2 Powermacs and 1 Powerbook) but it doesn't pick the sound input from the microphone. I can hear just fine through the earset's speaker but the microphone part doesn't work.
The earset has been used with 2 cell phones I have and I know it's working fine. I have also tried to use 2 Sony microphones I often use with a digital voice recorder during lectures. One is a unidirectional mono microphone and the other is a stereo omnidirectional microphone. Both microphones work just fine with the recorder but on the computers they simply don't show any sound input coming in.
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The problem can't be related to a hardware problem since I have tested the microphones with 3 different computers and it would be too much of a coincidence to have 3 computers with the same problem. The microphones can't be the problem either since I have tested them and they work fine with other devices.
I have to believe the problem has to do with system configuration and something I am not doing right. I have contacted Apple's technical support but have been extremelly dissapointed by the help I received from a young man who seemed to know less about computers than I do and wasn't very well trained in the art of providing courteous service to consumers.
Any ideas here ? This is frustrating me to the extreme as this should be a fairly simple thing to do that has now become a nightmare.
Thanks in advance for your help and suggestions.
Best regards,
Joseph Chamberlain
Powermac quad 2.5 GHZ, 250 GB HD, 2.0 GB RAM, 100 GB external HD Mac OS X (10.4.6) Powerbook G4 17", 1.33 GHz, 1.0 GB RAM, 80 GB HD

Apple's sound input and output ports are separate on their machines. Not all Macs have a sound input port. If the headset only has one audio jack, you won't be able to use the sound in on it unless you somehow separate the sound input to its own cable.
Please identify your Macs in more detail using the links I've provided here:
http://www.macmaps.com/macosxnative.html#IDENTIFY
The Specifications link on the toolbar at the top of the Discussions board will get you the sound port configuration of your specific Mac. If there is no sound input port on your Mac, you may need to use a Griffin iMic to hook up the audio input cable. Check your Apple menu -> System Preferences -> Sound -> Input to be sure that the microphone is detected.
Not always will you get an Apple support representative on the phone who doesn't know what they are doing. Most of the time they are quite knowledgeable. If you get one who doesn't ask them to let you speak to someone else who is more of an expert on the issue.

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+ Everything feels much slower and less responsive than it used to be and I'm frequently getting the spinning pinwheel.
+ Parallels doesn't start any more. After double-clicking the Parallels desktop icon, the icon jumps up and down in the dock for a little while and then just disappears.
The problem may or may not be related to the removal of my Bootcamp partition, which I did shortly before the problems started to occur. I don't remember if the problems started immediately after the removal of the Bootcamp partition but I think it's likely that there is a connection.
I did lots of things to find the cause and solve the problem, to no avail:
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+ Checked the HD using Disc Utility (no errors found)
+ Repaired permissions using Disc Utility
+ Created a new user account (problem persisted)
+ Cleared system caches
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+ Deleted PRAM by starting up and pressing ALT-CMD-R-P
+ Checked for viruses (no viruses found)
+ Unplugged all USB devices
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None of this helped.
Observations:
+ I tried to start in safe mode but that made the startup procedure even slower, I was seeing the Apple logo and the grey spinning wheel for almost 10 minutes alone.
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Hard to believe, the problem is back!
Everything worked just fine last night. This morning I turn the iMac on and the problems are back: Extremely long time to startup, application hangs, everything super slow.
Any ideas?
I restarted in verbose mode and took some pictures, in case that helps...
http://gallery.me.com/cjanz#100008

Registration requests and other problems with LE 8.0.2 upgrade from 7.2.3

Great upgrade. Improved sound, look and features, but:
1. When I switch between Logic Express 7 and 8, I'm forced to register each version again & again.
2. If LE 8 is left open when I put my computer to sleep, it won't recognize an iControl at wake up. After deleting the device from the surface controller set-up, rescanning it & resetting midi drivers, the play button won't work. It took until OS X 10.4.9 for Apple to get the iControl to work in LE 7.2.
3. The instrument plug-in window doesn't come up after selecting a software instrument even with the box checked in preferences.
3. If you've used a lot of preset voices in LE 7, the upgrade will require a lot of reprogramming. Tones like Jangly Jack are gone completely. Some missing LE 7 voices like the Ubiquitous DX can be imported into version 8 and saved as a channel strip setting. Logic 8 & GarageBand 3 lack a good DX7.
4. The word Strings is misspelled in the channel strip setting window.
5. Some LE 7 keyboard commands are no longer available in LE 8. For example, at certain times, you could move around an environment window in LE 7 with shift-plus and shift-minus keys. There was no way to program that in LE 7 either.

Hi Robby
I don't know if you solved your 'register now' problem concerning LE7 & LE8. I suspect the error your making is trying to open up each project in it's initial program - i.e. 7 or 8. The computer sees it differently (concerning Library settings etc) and your problem will be solved (hopefully) if you open up things in the right order :
1° Open Logic EX 8.
2° Then open the old project from LE 7. This should then open in your new system of LE8.
Of course if you wish to keep working on LE7 projects in LE7 then you'll have to change between each system as you go. You should remember that in terms of programs (with the same 'name/directory') that a computer works much like a tightly packed garage - if you wish to get out your old bike you'll have to move the new one first and vice versa!!
Normally you won't be asked to register again, BUT ... remember that you have to decide if you're going to save in 8 (and so keep working in that format) or not and I imagine if you've bought an update this is certainly your idea. Of course if you now decide to close LE8 and then start clicking on files in LE7 you'll be back at square one ..... register now etc. Please also remember that LE7 projects can work in LE8 but not the other way round, so once you've opened a LE7 project and made adjustments using LE8 you can't reuse 7 - I suggest you back up all your LE7 first on external/DVD support for later/backwards adjustments or reference.
Another small point to remember is that your computer will now be saving your project a second time in a LE8 format. So at some point you should remember that you'll be using valuable HD space twice over if you just convert and save in the new format - if you see what I mean?!

IMac 20" sound and other problems

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