IMac G5 w/iSight freezes up with distorted screen
I have a 20in iMac G5 with iSight and it isn't even six months old yet. At least once a night the screen turns goofy, not really pixilated but kind of crosshatched. (usually from the bottom - up) The mouse still moves but nothing is clickable and I can't get to my dock. Force quit doesn't work and I am forced to restart. I thought I had it narrowed down to two applications that caused it, but last night it froze up while re installing software and listening to iTunes.
As you can tell from my name I am a convert from a pc. I work on both a mac and pc for work and I haven’t had a problem with the Powerbook at all. I love it. I wish I could say the same about my own machine. Currently, I find the new commercials ridiculous with the pc constantly freezing up and the mac is fine. My pc didn't freeze up half this much. I am frustrated because I just lost my recent work for my final project for Grad school and I could have thrown this thing out the window last night. Can someone please help with my frustrations.
The Convert
No it was an "Recognized by Apple Computer, Inc. as an Apple authorized reseller with demonstrated expertise in providing consultation and service for Apple computers." That quote was taken right from their site.
I thought the same thing as you. There was no way it was a font but I am relatively new to troubleshooting on a Mac so I didn't argue.
This is the place where I brought it and I don't ever recommend anyone else go there - http://www.macpros.biz/
Have any other ideas? I am stumped. I don't really want to take it back there when
1. I know just as much as they do.
2. They charged me $63 to tell me they couldnt find a problem. How much are they gonna charge me to keep looking?
Similar Messages
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Is iMac G5 (no iSight) harddrive interchangable with Intel iMac (white)?
I have a new (used) Intel iMac, and I'd like to put the harddrive from an iMac G5 (no iSight) into it. Do both these computers use the same type of harddrive? Can I just swap them? Thanks.
I have recently done the same thing with no problems. They are both SATA drives, so there would be no problem with the system recognising them, my only concern because of the "close to the edge" limitations regarding iMac power supplies was whether the larger drive would draw too much current and exceed the safe limit for the system. I checked with the manufacturer's web site and they both drew the same power so there was no problem. I went from a 250GB to a 400GB drive.
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MBP 15" intel core 2 duo keeps crashing with distorted screen
Why does my macbook pro 15" intel core 2 duo keep on freezing or crashing with a distorted screen?
It doesn't seem to give any pattern when it randomly crashes. According to the hardware test, there's no problem.
But after doing the full hardware test everything seems ok again for a few days then crashes again with a distorted screen. Has anyone else out there experienced this as well? Help please!Like i said in the first post, i already did the SMC reset. This is very strange because sometimes the macbook can stay up with no problems for a very long time, like 24 horas staright and nothing happens. Than i put two 720p videos that have a 30 minutes duration and nothing happen also. The fans worked like **** but it keep together. So i don't know. Does the graphic card have a so random behaviour like that? I can't find the scenario that triggers that black bars and freeze it happens from time to time.
Can somebody help me? At least to find out what triggers tha behaviour. -
IMac Flast Panel 800 Freezes ONLY with 10.4.7 (not OS9)
I have replaeced an internal hard drive do to a disk failure.
I have market the disk as Master with the Jumper.
I have replaced the thermal paste.
I have Patitioned the dik into two equal partitions.
I have install 10.4.3 on the new drive, then perfored all Apple Auto Updates.
This computer will run fine for about 45 minutes and then freeze, requiring re-boot, then fine for another approximately 45 minutes. (Energy Saver is set to Not Put System to Sleep).
If I run this computer form an external firewire hard drive, it does not freeze.
I also installed os 9 on the second partistion to further test the computer. When booted into OS9 the computer Does Not Freeze.
I can not find any need for firmware updates.
Any Thoughts?????????My flat panel G4 800 has begun freezing/crashing -- grey kernel panic screen. I have recently (April) replaced the internal RAM (not user accessible) with a 512M and the hard drive to a 280G, a few years ago I replaced the super-drive and hard drive. The most recent change is the 10.4.7 upgrade. The crash is usually with Mail.app, but that's the most used application. I've left it running memtest and the disk verify (from install DVD). I have reinstalled everything, overwrite install back to 10.4.0, applied the combo update, restored data and a day later.... crash.
I've had every OS X 10.x from 2 upward, and run every point release available. It's been as reliable as a rock, until now.
Is 10.4.7 successfully running on these lovely computers? Is it AGP? Or my RAM or Disk failing?
An example of the panic dump:
panic(cpu 0 caller 0x00828C9C): Apparent UniNorth Hang: AGP STATUS = 0x00000004
Latest stack backtrace for cpu 0:
Backtrace:
0x00095718 0x00095C30 0x0002683C 0x00828C9C 0x008291B0 0x00813808 0x002EB7AC 0x0008CB88
0x000291C0 0x000233AC 0x000AC0AC 0x22313437
Kernel loadable modules in backtrace (with dependencies):
com.apple.GeForce(4.1.8)@0x806000
dependency: com.apple.iokit.IOPCIFamily(1.7)@0x461000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.1) @0x603000
dependency: com.apple.iokit.IONDRVSupport(1.4.1)@0x627000
dependency: com.apple.NVDAResman(4.1.8)@0x63d000
Proceeding back via exception chain:
Exception state (sv=0x271ED780)
PC=0x9000B268; MSR=0x0200F030; DAR=0x00D1D000; DSISR=0x40000000; LR=0x9000B1BC; R1=0xBFFFD660; XCP=0x00000030 (0xC00 - System call)
Kernel version: Darwin Kernel Version 8.7.0: Fri May 26 15:20:53 PDT 2006; root:xnu-792.6.76.obj~1/RELEASE_PPC
Model: PowerMac4,2, BootROM 4.3.5f1, 1 processors, PowerPC G4 (2.1), 800 MHz, 768 MB
Graphics: NVIDIA GeForce2 MX, GeForce2 MX, AGP, 32 MB
Memory Module: DIMM0/J12, 256 MB, SDRAM, PC133-333
Memory Module: DIMM1/J13, 512 MB, SDRAM, PC133-333
Modem: Dash2, Euro, V.92, 1.0F, APPLE VERSION 2.6.6
Bluetooth: Version 1.7.5f10, 2 service, 1 devices, 1 incoming serial ports
Network Service: Built-in Ethernet, Ethernet, en0
Parallel ATA Device: Maxtor 6L300R0, 279.48 GB
Parallel ATA Device: PIONEER DVD-RW DVR-107D,
USB Device: Generic USB Hub, ALCOR, Up to 12 Mb/sec, 500 mA
USB Device: HP LaserJet 1020, Hewlett-Packard, Up to 12 Mb/sec, 500 mA
USB Device: Apple Optical USB Mouse, Mitsumi Electric, Up to 1.5 Mb/ sec, 500 mA
USB Device: Bluetooth HCI, , Up to 12 Mb/sec, 500 mA
FireWire Device: iPod, Apple Computer, Inc., Up to 400 Mb/sec
iMac G4/800 Mac OS X (10.4.7) -
IMac (Late 2009) starting freezing when in full screen
Just yesterday (and today) my iMac starting freezing when watching videos (online) in full screen. It happened on YouTube, and other websites with Flash video.
The video would stop playing (i could still hear audio - atleast for a second or two) and it would go all pixally.
Here's what it did when attempting to play Diablo 3:
On the YouTube videos, I would get blue squares.
Then when I'd restart, It would do this:
Then do this:
It would do that a few times, until I left the computer off for like 10 minutes, then it comes back ok.
It's not my hard drive (I don't think) even though I'm eligible for the Seagate 1TB Replacement Program - I haven't done it yet. Apple Store wanted to keep my computer for 5 days to replace it and I didn't want to leave it for that long...
Anyway, I don't think it's that because I used SuperDuper to create a bootable backup on my Seagate 500GB USB2 external HD and set that as my startup disk - and it happened on that one too.
I don't know what to do now, please help. I'm not ready to buy a whole new computer right now. :-(
Thanks,
DaveThe graphic card of your Mac is damaged. This happened to me with my Late 2009 21'5-inch iMac, too. I recommend you to make a backup as soon as possible (soon your Mac will be unusable), and take the Mac to an Apple Store or reseller.
At first, the repair time for the iMac 1 TB replacement program was about 6 days, but now it has decreased a lot, so I recommend to get the hard drive and the graphic card repaired at the same time and you will save time. As you are going to have the hard drive replaced, make a clone with Carbon Copy Cloner or SuperDuper; this will make the restore easier -
IMac won't startup - freezes on either white screen or Apple symbol
Got my 24" 2.4GHz iMac on release last year, with Tiger. Installed Leopard on it on release day.
The problem I have is that ever since a botched Boot Camp installation I've had endless problems with certain applications hanging during their startup (notably Image Capture) or refusing to quit (notably iTunes). Force Quit doesn't resolve these issues. Restarting doesn't work because Force Quit can't quit them so I have to pull the plug or otherwise force a shutdown.
Upon restarting I either get the grey screen that instantly appears, or, if I've pulled the plug and left it for a few minutes I can get to the Apple symbol but no spinner or any further start up action. Occasionally I get lucky, get back up and running, and all is well until the next crash.
All this started happening when I decided to try installing Windows on Boot Camp again. I've had it on here a couple of times since Leopard was released but usually end up deleting it eventually because either the Windows installation gets bogged down or I get bored with it and never use it. Anyway, this time, using the same discs I've always used (and yes, it's SP2, so it should be fine and anyway it's worked at least twice before) when I got to the 'restart to continue installing Windows' bit, I got the white screen and nothing happened. After an hour or so of praying and restarting endlessly trying to get a response, I finally got it to recognise my OSX installation and was up and running again. The Boot Camp volume didn't appear to be there and Disk Utility revealed zero problems whatsoever. Everything looked fine until these recurring hangs, refusals to quit apps and screwed up start-ups.
Any ideas? I don't have the expensive Apple support, but it's less than a year old! Of course, I realise that this means nothing to Apple, who seem to think I should pay a premium in order to have my machine warrantied by them for more than 90 days. Grr...
If I get it up and running I'm thinking I should just wipe the ENTIRE system absolutely clean and re-install Leopard and then use my Time Machine backup to put all my data back on (pricelessly valuable as I use the machine to work on my photography with), but I'm concerned that if there's a flaw in the System somewhere, a corruption, that installing the Time Machine backup will just reintroduce the error. On the other hand, if it's a deeply embedded and invisinle partition corruption from the bad Boot Camp installation attempt, that should be fixed by wiping the entire drive to reinstall Leopard, right?
Any ideas? I'm absolutely sick to the back teeth of this now.
Many thanks,
OwenBut service support means dragging my iMac down to an Apple Store after making an appointment that's no doubt a couple of days away. Taking a 24" iMac on public transport in London isn't something I particularly want to do.
It did actually start up eventually. I left it sitting on the Apple logo and after a few minutes it restarted itself and all was fine, until a couple of days later when two apps failed to quit, and force quit wouldn't do anything. Neither would Terminal, or Activity Monitor (it was BBEdit and Photo Mechanic this time).
I was forced to pull the plug and since then nothing whatsoever will get it past the Apple logo. Tried popping the original Tiger DVD in and running the hardware diagnostic and it says everything is fine, but trying to restart from the Tiger DVD, or the Leopard DVD, or any other DVD that's bootable, or the hard drive, or an external hard drive - all of them result in hanging at the Apple screen. Tried safe mode, tried holding Alt to choose a startup drive, everything.
What the heck do I do now?! -
Security Update 2010-007 freezes MacBookPro with grey screen and spinner
Just some observations: a client with a MacBook Pro (2GHz Duo Core, 1.5Gb RAM) was running 10.5.8 without issue. Applied the Security Update 2010-007, Java Update 8, iTunes 10.0.1 and Safari 5.0.2. Rebooted, and machine kernal panics. Restarted twice to same kernel panic. Machine was able to reboot off of a clone backup (firewire external drive) made the day prior (without the updates) without issue. Try to reboot on normal drive and kernel panic.
Tried Rember and found one of the modules of RAM failed the test. Pulled the 1Gb out, machine booted to the grey screen (gray screen for google typos), the Apple logo and the spinner - for an hour. Apparently the update installation (with the bad RAM) pooched the system. Resetting the PRAM/NVRAM and PMU did nothing. A reinstallation of the 10.5.8 combo update fixed the issue.
Reminder: kernel panics are almost always a result of bad RAM in my experience. And by bad RAM, I mean RAM that will work with an older version of an OS, but not a newer one. EPROM info wrong or however else that RAM is preconfigured doesn't jive with the latest specs Apple uses in some in-between update.
Grey screens, endless spinning of the spinner -- most of that can be ferreted out, but it's usually easier to simply reapply a combo update to restore a system to sanity.Hey, since I have updated to 10.6.3 I have a similar issue. When I put my macbook pro to sleep and I come back a few hours later and turn my external monitor on I notice that the macbook is ON, BUT frozen! The time is usually a few hours back, so the macbook must have started up and frozen shortly after I had put it to sleep. There is no way to restart but to hold down the power button, SUPER annoying!
Hope this will get addressed in an update. Any way your problem is connected to sleep mode? -
I am looking for anyone in the west Tennessee area using Wild Blue along with Apple IMac who is having a problem with their screen going complelely white every so often. Have had the maching into the Apple store in Memphis. They could not get it to fail. Help
TutorDaddy, if this Mac is still covered by the initial warranty or under AppleCare, take it in and have it looked at. As the old label used to say, there truly are "no user serviceable parts inside." Kernel panics very usually indicate failing hardware.
I have an older iBook G4 that started developing kernel panics and like you, despite reinstalling the OS from a freshly formatted volume, they kept continuing. I looked at the crash log and saw that in each instance of panic, the last bit of code to be accessed had something to do with AirPort. Knowing that the AirPort software was at then current levels, I surmised the problem to be a bad AirPort networking card which, on that particular model of the iBook, was a very small module attached directly to the logic board. Since the computer was out of AppleCare, I broke the machine down myself (I didn't realize that there could be so many barely visible screws in one machine) and removed the offending piece of hardware. My iBook lives but without WiFi, it now sits as a more or less desktop machine needing an ethernet connection to stay connected to a network.
I do not suggest you break into your iMac. First of all, I'm guessing one would need to be able to pull off the glass and have the necessary glue to reattach it, which is not really available to us consumers. If you're feeling adventurous enough to read the crash logs from each panic, you might be able to surmise the hardware component (or badly written application or library; it can happen) that's causing the panic. If it's a software issue, remove the offending software app and see if the panics return. If it's a hardware issue, it's best to let a competent service tech qualified on Apple hardware to handle it.
[edited to add:]
After browsing through related problems in the discussions, I saw this link to a third-party web site being handed out. Perhaps you'll find it useful: http://www.thexlab.com/faqs/kernelpanics.html
Message was edited by: Stephen Adams -
I have recently upgraded my iMac Intel G5 iSight (iMac5,1) to OS 10.6.8 and now the internal mic does not work with skype or facebook. I can here static when playing back clips. Do I need to update firmware or reload old system parts. I have zapped PRAM. The blue indicator in system audio panel will appear for a second as I slide the bar for internal mic but then it disappears. Is there a fix?
The sound seems very faint but can here static on playback.
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IMac to Apple TV 2nd gen music distortion with screen saver on.
I have an ATV2, mid 2010 iMac dual core i3, Airport Extreme 3rd generation router.
After Wednesday's update to Apple TV to implement the new user interface, I get distorted playback when initiating music playback from iTunes on the iMac as soon as the screen saver starts. It sounds like the old vinyl records when the needle skips. It isn't, oddly enough, timed with the screen changes. It occurs at ever increasing frequency, from 24 to 19 to 16 seconds.
If however, you access the iMac through the Apple TV interface, the screen saver start up does not create any interference. It doesn't matter whether the music is started using the Apple remote control or the iPhone 4S interface. Both work fine.
So it's a one way situation. When you start playing music from iTunes on the iMac, interference and distortion start with the screen saver, but if you start playing music from the Apple TV, there is no distortion or interference from the screen saver.
Any one else have this problem and a solution?Based on an Apple Care suggestion, the solution to this problem is to reset the Apple TV completely. This is under Settings- General- Reset-Restore.
Restore will erase previous versions of the Apple TV software and will download and install a current clean version. You do have to re-enter all your configuration settings, such as wireless network password and your iTunes Account.
A little bit time consuming but it eliminated the problem. -
IMac G5 w/iSight With A Weird Circle
I'm having an odd problem with my 20" iMac. I bought a new HDD and I'm not able to get to the desktop so I can install it.
It seems I've tried everything but so far nothing works.
Here's the problem:
no matter what key I hold down, or whether I have the HDD installed internally or externally, it starts right up and goes to the apple and spinning gear.
I'm using the correct start up disk for the iMac BTW. Anyway just when I think, all right here we go, I see a circle with a line through it where the apple was and I'm stuck.
There gear keeps spinning but nothing else happens and I have to shut it down. I've tried resetting the pram and using the option key key, which clearly shows the install disk which I choose, but again after a few seconds I get the circle with the line through it.
Do any of you have any ideas? Thank you!Let us know how things turn out, and also, please put your model iMac (e.g. iSight) in your specs that appear at the bottom of your post, it makes things easier and helps us to make model appropriate suggestions.
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Screen Problems with iMac G5 20" (iSight)
Hello!
I had the same problem with my iMac G5 20" (iSight) as described by Bob North Apr. 18, 2006 at http://www.macintouch.com/readerreports/imacg5/topic2276.html#apr25:
"""" I repair Apple products, and recently I've seen strange and erratic display problems with the G5 flat-panel (iSight) 17" and 20"...and I am very curious about the origin. The picture will display what I will call "plaid pixles". Upon boot, the dispaly appears normal, but within 5-10 minutes, either at desktop or in ASD, the normal display will "crash" to the "plaid" display. The desktop, or whatever, can still be distinguished in the background, but it is overwashed by the plaid patterns -- which do change slightly, and also cover the full space of the screen. I've seen different scenarios, 3 in 2 weeks, where the symptom is exhibited with no particular failure pattern -- both before and after repair. I've replaced the main logic on one occasion, with no fix...but the 2nd try replaced both display panel and inverter. The display issue was fixed, but the system exhibited lockups only when it reached the destop. Another repair the same issue was seen after replacing the 20" main logic, where the symptom was not present previous. Personal opinion of the late 2005 IMAC flat-panels, in the hardware sense, is the likelihood of component manufacture issues, possibly the main logic boards or the panel displays themselves. Repair of this model, as opposed to the earlier, non-iSight flat-panel 17 and 20" models are extremely difficult -- access to main componenets is blocked by the display panel, which must be removed for each troubleshooting attempt. The internal hardware design is not oriented for repair ease...they are by far the most difficult to work on.
Any input regarding the display issues? Thanks.""""
I can't use the mouse or anything else, and after a while the fans start to go on max. This is the second time I encounter this problem within 30 days. What I have noticed is that the day before, the brightness of the screen started to "blink" slightly -- like if the screen tried to adjust itself.
But I haven't experienced what Bob North describes as the: "Upon boot, the dispaly appears normal, but within 5-10 minutes, either at desktop or in ASD, the normal display will "crash" to the "plaid" display".
I just restart with the power button and everything is working OK. I made an Extended Hardware test without any problems detected.
I have been looking for this issue with iMac G5 20" (iSight) and only found it at http://www.macintouch.com/readerreports/imacg5/topic2276.html#apr25 :
Apr. 18, 2006
bob north
I repair Apple products, and recently I've seen strange and erratic display problems with the G5 flat-panel (iSight) 17" and 20"...and I am very curious about the origin. The picture will display what I will call "plaid pixles". Upon boot, the dispaly appears normal, but within 5-10 minutes, either at desktop or in ASD, the normal display will "crash" to the "plaid" display. The desktop, or whatever, can still be distinguished in the background, but it is overwashed by the plaid patterns -- which do change slightly, and also cover the full space of the screen. I've seen different scenarios, 3 in 2 weeks, where the symptom is exhibited with no particular failure pattern -- both before and after repair. I've replaced the main logic on one occasion, with no fix...but the 2nd try replaced both display panel and inverter. The display issue was fixed, but the system exhibited lockups only when it reached the destop. Another repair the same issue was seen after replacing the 20" main logic, where the symptom was not present previous. Personal opinion of the late 2005 IMAC flat-panels, in the hardware sense, is the likelihood of component manufacture issues, possibly the main logic boards or the panel displays themselves. Repair of this model, as opposed to the earlier, non-iSight flat-panel 17 and 20" models are extremely difficult -- access to main componenets is blocked by the display panel, which must be removed for each troubleshooting attempt. The internal hardware design is not oriented for repair ease...they are by far the most difficult to work on.
Any input regarding the display issues? Thanks.
Apr. 19, 2006
Robert Mohns
bob north describes: "...recently I've seen strange and erratic display problems with the G5 flat-panel (iSight) 17" and 20"...and I am very curious about the origin. The picture will display what I will call "plaid pixles". Upon boot, the dispaly appears normal, but within 5-10 minutes, either at desktop or in ASD, the normal display will "crash" to the "plaid" display. The desktop, or whatever, can still be distinguished in the background, but it is overwashed by the plaid patterns -- which do change slightly, and also cover the full space of the screen."
Does it look anything like this?
http://downwardspiral.net/gallery/pbg4-display
My nearly 3 year old Titanium PowerBook G4 just did this one day, out of the blue. The problem went away after a few minutes, but I had already taken photos. Thanks to those photos, Apple gave the powerbook a new logic board.
(This PowerBook has had its logic board replaced twice, a new optical drive, and a cracked case edge replaced. AppleCare has more than paid for itself. Despite the occasional problems, I remain very happy with this machine. I'm sure I'd be much less happy if I had not bought AppleCare!)
HubertHubert Frank,
To Apple Discussions!
What troubleshooting methods have you tried to solve your issue?
The knowledgeable users will need this info to avoid the "been there, done that" senerios.
Have you tried the methods mentioned in the following Knowledge Base Article?
http://docs.info.apple.com/article.html?artnum=301283 Troubleshooting when there's no picture on the display
Do you have AppleCare? If so, have you contacted them? If so, outcome? -
External isight wont work with imac g4
Hello,
I recently purchased a second hand isight camera using ebay.
I have an older imac g4 and the isight wont work with it at all.
I have scoured the forums on this topic and looked through all of EZ Jim's suggestions but I think my problem is a little bit different.
I'll explain exactly what happens and my troubleshooting so far...
The imac G4 is powered off, I plug in the external isight via firewire 400
The imac boots up into leopard 10.5.8 (using leopard assist)
In system profiler the isight is listed under the firewire tab.
( I can post system profiler info on this if its needed)
When I turn on the camera ichat launches, but then in the video tab it says no camera is connected.
Photobooth just has the no camera sign, but interestingly when ichat is opened photobooth says "camera off"
sometimes photobooth even lets me click the photo button, it counts down but then it doesnt take a picture... obviously!
Skype doesnt work.
I have an imac 24" running snow leopard 10.6.6 .... that also detects the camera but it won't work with any application such as skype or ichat.
I have tried (on my G4) unplugging my usb bluetooth module but nothing changes.
My G4 is connected via ethernet to an external router.
The firewire cable seems ok, I dont have any other firewire devices, but if it was a problem with the BUS or the cable then im guessing it wouldnt show in system profiler.
I am thinking the camera is probably damaged, but before I start a paypal enquiry I would like to see if it is just my computer or a setting i need to change.
(oh I used the application isight updater in core services but the install button is greyed out)
Any help would be amazing!!
Thanks!!!Well, about all you can do would be to try a different and known good
FireWire cable, as a replacement for what may be a defective FW400
cable that came with the iSight camera. The cable can be defective
with one bad wire, yet sometimes appear available to the computer.
• How to Troubleshoot iSight (note external vs internal)
http://support.apple.com/kb/ht2090
• iMac G5 (iSight), & Intel-based iMac: Using External video camera:
http://support.apple.com/kb/HT2819
If you know of someone with an older Mac without a built-in iSight
camera, to test that one on, this may be an OK idea. Not sure if you
could get any traction by taking the camera to an Apple Specialist
and ask if they could check it out for you; that may also cost you.
{And since your computer does not officially support Leopard 10.5,
the other avenues of support would probably not be open to you.
At least not with the old iMac G4 and an unsupported 10.5 install.}
I have an external iSight camera which was included with my G4 Mini
1.5GHz model, and that appeared to work OK with 10.5.8 at one point.
But I really have no need for it, since I don't use photobooth & so on.
And haven't tried that with my iMac G4 computers at all. No need to.
With a computer not equipped with an iSight camera, the Leopard 10.5
installation should still support the eventual addition of one; even if the
computer itself appears to not officially support a Leopard 10.5 install.
(You refer to Leopard Assist, a means to install in slower CPU Macs.)
The FW cable is about the most easy to consider at this point.
In the course of a year, I've found good replacement cables at
several places, even those at thrift stores in perfect shape, work
and I use them for FW external hard disk drives, primarily. To have
spares is nearly always a good idea. Test & keep known good ones.
I'm not certain how the external iSight FW camera may work on
a newer Intel-based 24" iMac with a built-in iSight camera, too.
Does your 24" computer have FireWire 400+800 ports? Can you
choose an external iSight camera and ignore the built-in one?
These secondary topics have probably been discussed in the other
forum area for Intel-based iMac computer models; if you chose to
try & use that camera with a model computer with one built-in...
• Apple - Support - Discussions: for Intel-based iMac
http://discussions.apple.com/category.jspa?categoryID=189
There is a possibility, if never tried and the iMac G4 computer was
acquired second-hand, that the FW port within it may be band; but
the cable is the first item since it is cheapest, in troubleshooting.
So, anyway, the hour is late here (1AM) so hopefully the matter
can be resolved with a known-good replacement FW400 cable.
You should not have to restart the iMac G4 (800?) model in order
to get a FireWire item to be recognized. It should appear in the
System Profiler's list under FireWire, such as things normally do.
Of course, the camera could be defective as well. Been some
time since they were available on sale, new from Apple...
You could ask around to find out if there is a way to use that
external iSight camera with your newer Intel-based 24" Mac
by someone having it ignore its own built-in camera; in a
way as to not affect its normal operation, that is.
Good luck & happy computing!
+{ edited 2x }+ -
Hi my iMAc 27 inch starts up to the grey screen with apple logo and loading bar underneath it loads halfway then freezes up and shut down after a while please help
Try the tips listed here Mac OS X: Gray screen appears during startup - Apple Support
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HP Pavilion p6670t desktop randomly freezing with distortion to monitor (suspect hardware issues)
HP Pavilion p6670t desktop
Intel Core i3 550
Windows 7 64-bit
Intel HD graphics
I get random freezing on my computer with distortion to the screen (some of the colors look off, and I see thick purple vertical lines).
I'm not running any labor intensive processes (sometimes not even doing anything when it freezes). The temperatures are cool.
No BSOD.
I ran HP's hardware diagnostics tools, and everything passed. Ran Memtest on each individual stick and all together, and they all passed as well.
I suspect video hardware problems, but since it is integrated with my mainboard, I was wondering if anyone would have any suggestions before I go out and buy new hardware.
Thanks!when the blue screen comes up next time, write down any error codes (long string of numbers) this will give you an idea on what the problem could be. write them down and either come back here or google the code... it sounds like hardware failing... could be your hard drive or maybe ram failing. one thing you can do is open it up and make sure you remove all the dust and lint from the inside and you can re-seat your ram chips along with checking your Hard Drive cable/ribbon
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