Weird burn problem on Aluminium iMac

OK so I have a year old iMac and I have noticed that at the bottom of the screen, just above the dock I can see a bit of burn in on the screen. it's from the bottom of the firefox window and is only a pixel in height but it can be annoying as I have alot of light backgrounds and you can see the line.
Does anyone know how to fix it. I have followed apples instruction and put up a white jpeg the size of my screen and set it as my screen saver but when I do that I can't see the line which is strange. I thought it might of been a problem with a dock skin I was using so I reverted back the the Apple dock and its sill there. Not sure what to do. Any idea's

FYI, you have an Intel-based iMac not an iMac G5. You should post future questions in the Intel-based iMac discussion area.

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Hi Everybody,
I'm writting here because I met a burning problem with my iMac CoreDuo. I manage to erase a DVD RW, but no way to burn a DVD or a DVDRW : the burn session begins, but stop after few minutes and eject the DVD (partially written).
I checked the RecordingDisc.log file, here are the logs (logs with LiquidCD App, but this is the same when I try to burn through MacOS directly):
LiquidCD: Burn started, Tue Jan 22 19:12:06 2008
LiquidCD: Burning to DVD+RW (MBIPG101 W04) media with DAO strategy in MATSHITA DVD-R UJ-846 FB2U via ATAPI.
LiquidCD: Requested burn speed was 47x, actual burn speed is 4x.
LiquidCD: Burn failed, Tue Jan 22 19:12:06 2008
LiquidCD: Burn sense: 3/73/03 Medium Error, Power calibration area error
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I tried to reinstall 10.5.1 update, but this didnt fix the problem.
So do you have an ideo to help me ?
Message was edited by: ewssk

I get this same error on my 2.4Ghz 15" MBP running 10.5.1;
System Profiler:
Model Name: MacBook Pro
Model Identifier: MacBookPro3,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 2 GB
Bus Speed: 800 MHz
Boot ROM Version: MBP31.0070.B02
SMC Version: 1.16f8
Serial Number: {No, Not Yours}
Sudden Motion Sensor:
State: Enabled
~/Library/Logs/DiscRecording.log:
Disk Utility: Burn started, Mon Jan 28 12:57:08 2008
Disk Utility: Burning to DVD+R DL (RITEK D01) media with DAO strategy in MATSHITA DVD-R UJ-857E ZA0E via ATAPI.
Disk Utility: Requested burn speed was 47x, actual burn speed is 2.4x.
Disk Utility: Burn failed, Mon Jan 28 12:57:21 2008
Disk Utility: Burn sense: 3/73/03 Medium Error, Power calibration area error
Disk Utility: Burn error: 0x8002006D The device failed to calibrate the laser power level for this media.
I have seen this sort of issue discussed in various other threads with suggested remedies of everything from Resetting the SMC to more bizzare (yet substantiated) recommendations of switching languages;
http://discussions.apple.com/thread.jspa?messageID=6164600&#6164600
http://discussions.apple.com/thread.jspa?messageID=5699813&#5699813
http://discussions.apple.com/thread.jspa?messageID=6240377&#6240377
I was able to burn DL DVD's with 10.4.11, which is what shipped with my MBP when I purchased it. I haven't had need to burn a another DL DVD until now, approx 4 months later.
Does anyone out there have any suggestions on this? At this point I'm pondering waiting to see if 10.5.2 resolves the issue. If not, I suppose a trip to the Genius Bar is in order.
Love,
shmoo

Bootcamp display problems - aluminium iMac

Hi
I have an aluminium iMac and I have recently installed windows on it. Everything went fine but there seems to be a problem with the display driver?
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I thought it was only when I was playing Counter Strike Source but it happens when I'm not too. Is anyone else experiencing this? Any fixes/ suggestions?
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Thanks

I was having Display Problems on my Intel 20" iMac- weird artifacts, lines, distortion of parts of the screen, weird color patterns, etc... all seemed to happen mostly during viewing video on the computer.
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I found a step by step guide on ifixit.com to opening the iMac body to replace various components, etc. so I got the bright idea of opening it and blowing it out with compressed air.
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I think I might have actually fixed it-- If you have a mac that is running hot and has weird screen artifacts, behavior, etc... I suggest dusting it and blowing out vents, fans, etc to allow it to run cooler....
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In standby sometimes the fans are running at full speed. Also with burning some CD or DVD's the burner makes an awful grunting sound.
For a 2 year old Mac I did not expect to have these kind of problems!
Resetting the iMac does not help. Might this be a Lion problem?
Optical Drive is running at 4800rpm, normal 798rpm
Hard Drive at 5903rpm, normal 1599rpm
CPU at 3598rpm normal, 1200rpm
The burning problem only happens sometimes, not with all.

What did you do to reset the imac? Problems like these are "sometimes" solved with an SMC reset.

G3 iMac 333Mhz not reading CD's burned on my G5 iMac!

I'm trying to refurbish my older G3 iMac & install Panther, for a friend of mine who can't afford a computer. I've suddenly noticed that CD's I've burned on my G5 iMac are unreadable to the older iMac, giving a message that the disc is unrecognizable, and do I want to erase it. It reads many other CD's just fine, original application CD's, the Panther install CD's, including some I burned on a previous eMac I had. I called Apple about this in a panic, and they couldn't imagine what could be wrong, they had never heard of such a thing. All they could say was that the drive must be going bad. But it reads all other CD's just fine--just not the ones I've recently burned on my new G5 iMac. Then they said that maybe there is something wrong with the CD's I'm using, but they can be read just fine by my new iMac and many other computers, including the old eMac that my daughter now has. I even take files to CopyMax for printing on those same CD's and the PC's read them just fine.
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Kristy

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Ron, it looks like we took the same computing path. The description of your two machines match exactly the configuration of my last two Macs, right down to the amount of memory in each of them & everything. Maybe a G5 iMac is in your future! These second generation ones are really wonderful! I know how you feel about the slot loading iMac, though. This is the first time I've had a slot loader. I have found that I can put my thumb in the center hole, and rest my pointer finger gently on the outside edge, without touching any of the surface, and slip it right into the slot pretty easily, then removing my thumb as the drive pulls it into the slot. It took me a while to figure that out. It helps that the slot is vertical instead of horizontal, although it might work with a horizontal slot, if you put your pointer finger in the hole and rest your thumb on the outside edge. Think about it. So tell me where to find Charismac Discribe. Oh, I can probably just google it. Thanks for the tip!
Kristy

External DVD burn problem

I realize I am far behind everyone else here; but here goes.
I finally got a DVD burner for my G4 iMac (snowball) 1Gig OSX 10.4.11. iDvd v. 6.0.4; iMovie v. 6.0.3.
It's a (used) Lacie d2 8X.
I tried my hand with iMovie for the first time this Christmas using my digital camera in movie mode. Took a few minutes of the train set running around the tree.
I did pretty good with the clips in iMovie; even adding sound, titles and opening credits.
So, today I put the movie in iDvd; using the share function as instructed.
When I tried to burn the DVD; it went thru the sequence of building the DVD and then failed at the "burn" mode.
So, here are my questions -
Is there a problem burning on the external Lacie drive from iDvd?
I have DVD-R discs; is that a problem?
I tried Toast; but could not drag the iMovie into the the window (it just snapped back)?
The burner is 8X and I bought some 16x discs, is this wrong?
I hope this all makes sense and someone can help me out.
Well, trying something different to get the DVD to record.
I tried this time with Toast 6.
Got BurnPatch. Taost now recognizing the burner after unplugging it and re hooking it up.
I exported the movie as a QT file as directed in the Toast instructions. Drag/drop into the Toast window.
I am getting two error messages -
"Drive error
sense key=illegible request
sense code= 0x30, 0x05
Cannot write medium
incompatible format
and-
Couldn't setup the track for writing
last window (upon closing ) states
"this disc cannot be used because it is not recognized"
Could it be that using the 16x DVD-r discs is causing the problem? Also, they are a 'store brand'. If I need to use 8x; does anyone even carry them anymore?
Help, please
Thanks
Jay

I have an external firewire LaCie Burner and, once connected to my iMac, it does not show up in Disk Utility, but does work. It is recognized in Toast (if connected). I've used it almost exclusively without any problems. I've also tried it with Disk Utility:
Try this: connect the external burner, open Disk Utility, select a disk image (.dmg) and hit the burn button; my Disk Utility then gives me the option to burn with either the external or the Superdrive and tells me to insert a disk. But, unless I've selected an image to burn, there is no indication or icon anywhere in Disk Utility (or on the desktop) that an external burner has been connected. I've always thought that as being a bit strange, but since it does work, I haven't questioned it.
Another possibility might be that you did not install the (correct?) LaCie driver? You might want to check their website, find the latest driver appropriate for your model and Mac OS and follow their install directions. LaCie burners do need drivers installed to be recognized by the OS.

Burn problem - "internal target failure"

Can anybody help me with a burn problem that is driving me crazy, especially as I am a recent migrant from Windows. Every time I burn in iDVD from an iMovie I get the error message at the burn stage, i.e. after 2 hours encoding etc. "The recording device reported the hardware error: internal target failure (0x44,0x00)". This is after reporting the problem to my dealer and having the Superdrive replaced under guarantee. Any ideas gratefully received.
iMac G5 Mac OS X (10.4.6)
iMac G5 Mac OS X (10.4.6)

Welcome to iDVD Discussions.
That may be a media/burning speed issue.
I recommend a disk image burned to Verbatim DVD-R at 4X or slower using Toast or Disk Utility.
David Pogue also recommends Verbatim on page 356 of his latest book:
iMovie HD & iDVD 6: The Missing Manual
Quoting David: "Cheaper brands don't use the same amount of organic dyes and are more likely to suffer premature deaths."
Suggest you create a disc image and then burn the DVD. File/Save as Disc Image...
http://docs.info.apple.com/article.html?path=iDVD/6.0/en/18.html
http://www.kenstone.net/fcphomepage/image_to_diskstone.html
This will isolate any encoding/burning issues you may encounter. Once the disc image is created, double-click the .img and burn the virtual disc that should appear on your desktop, using Toast to burn the DVD. Disk Utility to burn the .img file. Usually, you can select a burning speed in Disk Utility.
There are variations to this process based on which OS X you are using...
Open Disk Utility (in Utilities folder in Applications folder), click on the virtual disc (maybe the .img) in the left-hand window. Click the Burn icon. A new window should drop down and your SuperDrive tray will open after clicking the Burn icon. Insert a recordable DVD. (Verbatim DVD-R preferred by me.) Click the Close button. Wait. Select a burn speed. If you hold your mouse cursor over the pop-up it says: "Select a slower speed to work around burn failures," so select 4x or slower for best results. Then click the Burn button.
-->If the virtual disk selection won't allow you to click the Burn icon, use the .img file instead. This may have changed in 10.3.9 and did change in Tiger.
Also, you can use DVD Player to play the virtual disk to check your iDVD project before burning to DVD. Launch DVD Player. File/Open VIDEO_TS (Open DVD Media... in Player 4.6). Find the VIDEO_TS folder and open that. (The audio folder is for DVD-Audio disks.)
http://docs.info.apple.com/article.html?artnum=93006

Aluminium iMac connectivity issue

I have an aluminium iMac first revision and I have the aluminium bluetooth keyboard and wireless mighty mouse connected to it. However every so often the mouse will disconnect itself for 5-10 seconds then reconnect. This also happens with the keyboard, sometimes both disconnect at the same time and the mouse pointer lags on screen. Other times I have to switch the mouse on/off to get the mac to pick it up again. This has been happening since I first bought the iMac but thought it was just Leopard and an update would sort it out but this has not happened. Any ideas?
Also I tried to connect a bluetooth device, a Sony Ericsson W910i phone to transfer some photos/videos across to the iMac but the the phone would not connect to the iMac to even though I had registered the device on the mac and the iMac was set to discoverable. The phone says it has found the iMac but it will not let me transfer the photos/videos across and keeps saying "connection failed". I tried about 10 times and it failed everytime. I was in range as I was sitting right in front of the computer less than a metre away.
Could there be a problem with my bluetooth module?

Hello KYL. There could be, as you postulated, a BT module problem (I am assuming you have an internal BT module).
You might try resetting PRAM:
http://support.apple.com/kb/HT1379
and also the SMC:
http://support.apple.com/kb/HT1543
Barry

Aluminium iMacs – Heat Issue

The Set Up
In our studio we have a mix of iMacs (G5, Intel), Mac Minis (Intel) and Mac Pros. We run 10.5 and 10.6 along with Adobe CS3 or CS5 on them.
What we found is, that amongst these machines, Intel aluminium iMacs are the least durable of the lot.
Those being older than two years are prone to freeze up, show graphic glitches or the optical drives work very unreliable.
We gave some of these machines to a qualified repair shop, but they were not able to reproduce the problems we experienced.
Finding The Problem
While trying to get to the bottom of these issues I discovered smcFanControl which let's you monitor the temperature of internal components and adjust the respective cooling fans.
I installed it on nine machines and here is what I found.
A new iMac (i5, 27", less than 1 year) shows normal hard drive temperatures at around 30 - 35Cº.
Older machines (CoreDuo, Core2Duos, i7) were running their hard drives at around 45-50Cº (idle).
Those machines causing problems showed hard drive temperatures of 50 to 55 Cº in idle state.
Western Digital does not recommend to run its drives above 50C. Seagate does not recommend temperatures above 60Cº. In general it is assumed that a healthy working temperature for hard drives lies between 35 - 45Cº.
Please note, I was conducting these measurements in November.
My two year old 27" i7 has a problem with Spotlight, whose index seems to get corrupted frequently. Rebuilding the index every couple of month helps but the problem keeps coming back. During an export in After Effects I observed temperatures of up to 68Cº! In idle state I'm getting 45-50Cº.
Looking at the issues again – graphic glitches, non working or unreliable optical drives, slow or unstable performance – it all starts to make sense now.
Preliminary Conclusion
The cooling layout in these slick machines is anything but robust. What I assume is, that over time you can expect dust to build up internally, blocking the ventilation and thus causing temperature hot spots.
What surprises me is, that OSX 10.6 (retail) does not seem to see the need of turning up the cooling fans even when a hard drive runs near it's terminal operating temperature.
Further Steps
I will go ahead and give some of these machines an internal clean up. I might just as well give it a go and replace some of the battered hard drives with SSD's instead and see if this helps to keep temperatures in check.
I will let you know about my findings. I found so much useful help in this forum – was about time to give something back.

Hello KYL. There could be, as you postulated, a BT module problem (I am assuming you have an internal BT module).
You might try resetting PRAM:
http://support.apple.com/kb/HT1379
and also the SMC:
http://support.apple.com/kb/HT1543
Barry

Slooow internet and weird mouse problems?

I recently upgraded my iMac to Leopard (10.5.4) and started having weird mouse problems. At start up, mouse would be frozen in upper left corner. I'd restart, switch mice, restart, over and over. I use a Wacom tablet w cordless mouse plus Apples alum cordless keyboard. Eventually I tried switching USB ports for my Wacom tablet and the mouse was OK. I have learned that when this problem occurs, I need to shut down and unplug everything. That seems to solve it. Anyone know why? ALSO, ever since upgrading I have found the Internet to be appallingly slow. I have 2 GB memory and just upped my internet speed (supposedly) through Embarq.

hmm, what is a mouse usb or a keyboard usb?
arent all the usb ports same?
I really wish to show you how this happens it is really fun, but also annoying. especially when I am playing a game. it is interesting to watch the screen when suddenly all the world starts rotating when you are playing a first person shot'm up.

Aluminium iMac won't power up after shutdown

Hello All,
I have bought a 20" aluminium iMac for my parents a couple of weeks ago. It went extremely well in the first few days, but I got the complaint from my parents that it cannot power up after the proper shutdown.
It is very strange that it won't power up after it has been shutdown for a couple of hours, unless I unplug the power cord and plug it back in after a minute or so (reset the SMC)
Oppositely, I can power it up normally right after it has been shut down for a few minutes. But never overnight.
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Thanks Guys.
I haven't called Applecare yet. However, I have reinstall the system and done a software update EXCEPT the latest imac software update v1.1 released recently.
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I really can't figure out this problem. Search the internet tried all kinds of things, nothing help so far.
I have a Macbook Pro (Lion originally installed) running on Mavericks (all latest updates). SSD installed and the DVD tray is replaced by the original HDD.
The laptop wasn't running very smooth anymore so decided to give it a fresh Mavericks install (even though I know it's not really necessary for mac, it helped, everything is much faster except a weird internet problem came up).
After freshly installing Mavericks I couldn't get into my google account anymore, just wouldn't load. Tried Safari (use this normally) and Firefox and Chrome, this last was gave a SSL connection error, both Safari and FF said the website couldn't be loaded because the server didn't respond. For Gmail I use Mailplane which is just stuck on a white page. I tried repairing the keychain, repaired disk and disk permissions, cleaned browsers, turned off firewall and antivirus (Shopos) started in safe mode, checked time settings which were all good. Nothing of this helped. I even ended up creating a usb bootdisk for Mavericks, formatted the disk and reinstalled from the start just Mavericks and nothing else, started Safari, still the same problem. As even this didn't help I figured it's not worth reinstalling all software so put back my backup.
Now I ended up somehow only being able to use Gmail normally in Firefox, Chrome still gives SSL error and Safari can load the inbox, but I can't open any messages. I get the error there is a problem with the connection. If I try in Basic HTML mode it surprisingly does work.
You would say, just use Firefox, finished...but the thing is that sometimes random websites won't load in Firefox, when I load the same site in Safari it works perfectly.
O yes, I also tried the connect to my iPhone and use the Cellular data network, then it's no problem using Gmail in Safari normally. You would say it's a router problem, but I have another Macbook Pro (just one model later running Mountain Lion) this one works perfectly with every browser. Also my iPhone does everyting logged into the WiFi network.
You can understand I really have no clue what's going on here, I don't see any logic. I can only think of a hardware problem in my Macbook, but don't see how that could cause these problems.
I hope someone is ably to help me ?

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Please take this step regardless of the results of Step 1.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of Steps 1 and 2.

I am suddenly having a problem with my iMac - when I try to restart or shut down, it hangs on a gray screen, and I have to hard reset to turn it off. How do I fix this?

I am suddenly having a problem with my iMac - when I try to restart or shut down, it hangs on a gray screen, and I have to hard reset to turn it off. How do I fix this?

http://support.apple.com/kb/TS2570 Mac OS X: Gray screen appears during startup

I am unable to create a new event on my iPhone with IOS 7.0.4. I tap the plus sign, fill in the details, tape Done and ... nothing. Repeatedly. No problem on my iMac or iPad, just with the phone. Help.

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Weird burn problem on Aluminium iMac

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