1st Gen iMac G5 doesn't turn on--after shutting down during sleep

So I bought an IMAC G5 17/1.6/256/80/COMBO when they first came out. Within the first year and a half I had to get two logic boards replaced. Fast foward to about 4 months after Applecare ran out and the machine began shutting down instead of going to sleep. Then, last week--nothing--wouldn't even turn on. So I unplugged it and plugged it back in and it started fine. Two days ago same thing only now it won't turn on at all. So I took off the cover, internal power button doesn't work--tried reseting SMU and still nothing. LED 2 doesn't come on at all, but LED 1 isn't constant, it flickers (don't know if that's normal). So I assume it's either logic board or power supply.
Now, I've read the Repair Extension program about this model, but unfortunately it only goes out three years (curious because that's how long my AppleCare lasted). And I found it odd that after getting it fixed twice it would still have these defective parts. So I called the support line trying to explain the situation. After being on hold for 20 min. the guy came back and said my warranty was up so I couldn't even talk to someone on the phone about the problem. I could get it fixed, but it was going to cost me.
Anyone have any advice? I was going to get another computer later this year (although will probably change my mind about getting another Mac after this experience), and I know fixing this one will be pretty expensive--something I can't afford right now. Does anyone know the rationale behind a) three year cutoff and b) Apple not informing owners that they'd better get it checked out before period runs out. And I guess as a last resort if it winds up being too expensive to fix, anyone know if people buy broken IMACs? Talk about frustration, I didn't even have to go through this type of nonsense when I used Windows.
Thanks for your help.

Welcome to Discussions - try calling Apple Customer Service 800-767-2775 and politely telling them your tale, then ask for a fix or a new computer.

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http://docs.info.apple.com/article.html?artnum=2238
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Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions.   If it does not function, inspect it for signs of damage.   If the button is damaged or is not functioning when pressed, seek service.
Check    if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIs and corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See   "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears,   continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
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Anonymous UUID:       AB81CF7F-300F-0F23-BA20-B5C00F522753
Sun May 4 07:52:49 2014
panic(cpu 0 caller 0xffffff800a6c020b): "TLB invalidation IPI timeout: " "CPU(s) failed to respond to interrupts, unresponsive CPU bitmap: 0x6, NMIPI acks: orig: 0x0, now: 0x0"@/SourceCache/xnu/xnu-2422.92.1/osfmk/x86_64/pmap.c:2612
Backtrace (CPU 0), Frame : Return Address
0xffffff81dae7b050 : 0xffffff800a622fa9
0xffffff81dae7b0d0 : 0xffffff800a6c020b
0xffffff81dae7b160 : 0xffffff800a6c51e3
0xffffff81dae7b240 : 0xffffff800a6c5cd7
0xffffff81dae7b2a0 : 0xffffff800a67e464
0xffffff81dae7b3b0 : 0xffffff800a6822df
0xffffff81dae7b3e0 : 0xffffff800a67c274
0xffffff81dae7b410 : 0xffffff800a803e74
0xffffff81dae7b440 : 0xffffff800a803fd6
0xffffff81dae7b460 : 0xffffff800a9817d3
0xffffff81dae7b490 : 0xffffff800a96ee43
0xffffff81dae7b550 : 0xffffff800a96c130
0xffffff81dae7b5b0 : 0xffffff800a984cb2
0xffffff81dae7b610 : 0xffffff800a7fc756
0xffffff81dae7b9e0 : 0xffffff800a7fc646
0xffffff81dae7ba20 : 0xffffff800a7de60f
0xffffff81dae7bb80 : 0xffffff800a7e65b2
0xffffff81dae7bc30 : 0xffffff800a7e6ce2
0xffffff81dae7bf50 : 0xffffff800aa3e413
0xffffff81dae7bfb0 : 0xffffff800a6f3b76
BSD process name corresponding to current thread: CalendarAgent
Mac OS version:
13C1021
Kernel version:
Darwin Kernel Version 13.1.0: Wed Apr 2 23:52:02 PDT 2014; root:xnu-2422.92.1~2/RELEASE_X86_64
Kernel UUID: E9CF78E2-1E9F-3B6F-81A4-FEE6C6D0E4D5
Kernel slide:     0x000000000a400000
Kernel text base: 0xffffff800a600000
System model name: iMac11,3 (Mac-F2238BAE)
System uptime in nanoseconds: 59470396764246
last loaded kext at 52110826751224: com.apple.driver.AppleIntelMCEReporter          104 (addr 0xffffff7f8ccbc000, size 49152)
last unloaded kext at 44657134745411: com.apple.driver.AppleIntelMCEReporter          104 (addr 0xffffff7f8ccbc000, size 32768)
loaded kexts:
com.aladdin.kext.aksfridge          1.0.2
com.symantec.kext.SymAPComm          12.6.1f9
com.symantec.kext.fw          5.3.1f9
com.symantec.kext.ips          3.9.2f1
com.symantec.kext.pf          5.6.1f9
com.symantec.kext.internetSecurity          5.3.1f8
com.apple.driver.AppleIntelMCEReporter          104
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.iokit.IOBluetoothSerialManager          4.2.3f10
com.apple.driver.AGPM          100.14.15
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleMikeyDriver          2.6.0f1
com.apple.driver.AppleHDA          2.6.0f1
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.kext.AMDFramebuffer          1.2.0
com.apple.driver.AppleBacklight          170.3.5
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.driver.AppleLPC          1.7.0
com.apple.AMDRadeonX3000          1.2.0
com.apple.kext.AMD5000Controller          1.2.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleHWAccess          1
com.apple.driver.Oxford_Semi          3.4.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.AppleUSBCardReader          3.4.1
com.apple.driver.AppleIRController          325.7
com.apple.iokit.SCSITaskUserClient          3.6.6
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.5.1
com.apple.driver.AppleUSBHub          666.4.0
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AirPort.Atheros40          700.74.5
com.apple.iokit.AppleBCM5701Ethernet          3.8.1b2
com.apple.driver.AppleAHCIPort          3.0.0
com.apple.driver.AppleUSBEHCI          660.4.0
com.apple.driver.AppleRTC          2.0
com.apple.driver.AppleACPIButtons          2.0
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleSMBIOS          2.1
com.apple.driver.AppleACPIEC          2.0
com.apple.driver.AppleAPIC          1.7
com.apple.driver.AppleIntelCPUPowerManagementClient          216.0.0
com.apple.nke.applicationfirewall          153
com.apple.security.quarantine          3
com.apple.driver.AppleIntelCPUPowerManagement          216.0.0
com.apple.kext.triggers          1.0
com.apple.iokit.IOSerialFamily          10.0.7
com.apple.driver.DspFuncLib          2.6.0f1
com.apple.vecLib.kext          1.0.0
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.AppleUSBAudio          2.9.5f4
com.apple.iokit.IOAudioFamily          1.9.5fc2
com.apple.kext.OSvKernDSPLib          1.14
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.iokit.IOFireWireIP          2.2.6
com.apple.driver.AppleHDAController          2.6.0f1
com.apple.iokit.IOHDAFamily          2.6.0f1
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.driver.IOPlatformPluginFamily          5.7.0d10
com.apple.iokit.IONDRVSupport          2.4.1
com.apple.iokit.IOAcceleratorFamily          98.14
com.apple.kext.AMDSupport          1.2.0
com.apple.AppleGraphicsDeviceControl          3.4.35
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.iokit.IOSurface          91
com.apple.iokit.IOGraphicsFamily          2.4.1
com.apple.iokit.IOBluetoothFamily          4.2.3f10
com.apple.driver.AppleSMC          3.1.8
com.apple.driver.AppleUSBHIDKeyboard          170.15
com.apple.driver.AppleHIDKeyboard          170.15
com.apple.iokit.IOFireWire
Model: iMac11,3, BootROM IM112.0057.B01, 4 processors, Intel Core i5, 2.8 GHz, 16 GB, SMC 1.59f2
Graphics: ATI Radeon HD 5750, ATI Radeon HD 5750, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x857F, 0x483634353155363446393333334700000000
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x857F, 0x483634353155363446393333334700000000
Memory Module: BANK 0/DIMM1, 4 GB, DDR3, 1333 MHz, 0x857F, 0x483634353155363446393333334700000000
Memory Module: BANK 1/DIMM1, 4 GB, DDR3, 1333 MHz, 0x857F, 0x483634353155363446393333334700000000
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 4.0.74.0-P2P
Bluetooth: Version 4.2.3f10 13477, 3 services, 23 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: WDC WD1001FALS-40Y6A0, 1 TB
Serial ATA Device: HL-DT-STDVDRW GA32N
USB Device: Hub
USB Device: USB2.0 Hub
USB Device: Matias Keyboard
USB Device: Built-in iSight
USB Device: IR Receiver
USB Device: Hub
USB Device: USB 2.0 Hub [MTT]
USB Device: Bose SoundLink Audio
USB Device: USB 2.0 Hub
USB Device: SDDR-113
USB Device: USB OPTICAL MOUSE
USB Device: Internal Memory Card Reader
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
FireWire Device: Elite Pro U3FW, OWC, Up to 800 Mb/sec
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Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads 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.
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 Fusion Drive or 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 login 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 the test.

Macbook display sometimes fails to turn on after shut down (2008 2.4Ghz dual core 2 duo - 2GB DDR2 running OSX 10.6.8)

I own a black macbook (early 2008 model) and for the past few months the display has occasionally (although recently more often) failed to turn on when booting. This only happens every one in four times after a full shut down. When I turn on the computer, I hear the hard drive boot and the fans start going, I also get a response in the white light indicator. When this occurs, I then have to press the on/off button to shut the macbook down, then press the button to turn it on again. Sometimes this works on the second try, but other times it takes 3 to 4 times turning it on or turning it off. Initially I thought it was a hard drive issue (and planned to purchase a new hard drive), but after connecting the laptop to an external screen, the desktop shows up (macbook display remains off despite unplugging or replugging external display). Is this a firmware issue? Or potentially a display cable issue? I'm leaning towards firmware since it only happens every 1 in 4 times. All parts in the macbook are original to 2008 and I've never really had any problems before.
I've tried resetting by taking out the battery/pressing the on button.
I also did a clean 7 pass wipe and reinstalled Mac OSX.
Used TechTool Deluxe - found no issues.
Booted computer and pressed D to perform a Mac hardware test - no problems found.
Not sure what to do now...
These two looked mildly like my problem: http://www.ifixit.com/Answers/View/68700/Not+booting+properly+after+10.6.8+and+F irmware+updates and another suggested replacing the display cable: http://www.ifixit.com/MacBook-Parts/MacBook-Display-Data-Cable/IF186-073?utm_sou rce=ifixit_guide&utm_medium=wiki_text&utm_term=if186-073&utm_content=product_lin k

I own a black macbook (early 2008 model) and for the past few months the display has occasionally (although recently more often) failed to turn on when booting. This only happens every one in four times after a full shut down. When I turn on the computer, I hear the hard drive boot and the fans start going, I also get a response in the white light indicator. When this occurs, I then have to press the on/off button to shut the macbook down, then press the button to turn it on again. Sometimes this works on the second try, but other times it takes 3 to 4 times turning it on or turning it off. Initially I thought it was a hard drive issue (and planned to purchase a new hard drive), but after connecting the laptop to an external screen, the desktop shows up (macbook display remains off despite unplugging or replugging external display). Is this a firmware issue? Or potentially a display cable issue? I'm leaning towards firmware since it only happens every 1 in 4 times. All parts in the macbook are original to 2008 and I've never really had any problems before.
I've tried resetting by taking out the battery/pressing the on button.
I also did a clean 7 pass wipe and reinstalled Mac OSX.
Used TechTool Deluxe - found no issues.
Booted computer and pressed D to perform a Mac hardware test - no problems found.
Not sure what to do now...
These two looked mildly like my problem: http://www.ifixit.com/Answers/View/68700/Not+booting+properly+after+10.6.8+and+F irmware+updates and another suggested replacing the display cable: http://www.ifixit.com/MacBook-Parts/MacBook-Display-Data-Cable/IF186-073?utm_sou rce=ifixit_guide&utm_medium=wiki_text&utm_term=if186-073&utm_content=product_lin k

HP Pavillion 17 - Screen backlight does not turn off after shut down

The screen stays lit up white after shutdown is complete. No lights appear on the power button or any of the keys. Just a white screen. Any ideas what could cause this? Laptop works perfectly when powered on. Thanks, Susan

Hi @suzygf78,
Welcome to the HP Support Forums!
I understand that your display is still after your computer is shutdown?! I am happy to help you with this. It would be best to get the full product number and OS version. Please read the following documents if you need help in finding those.
How Do I Find My Model Number or Product Number?
Is the Windows Version on My Computer 32-bit or 64-bit?
Is the display you are describing the built in display or an attached 2nd display?
As a start here are a few documents to start with that may help, but if it is the built in display I admit I am scratching my head a bit as it is a very weird issue.
Resolving Problems with Notebook Displays (Windows 7 and Windows 8)
Resolving Problems with the Brightness of the Display
Diagnosing a Liquid Crystal Display (LCD) for Damage
Please let me know if any of those proved helpful, or post the requested information and we will go from there.
Regards,
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

Mac book air won't turn on after shutting down unexpectedly

I was surfing the internet, when it all of a sudden went black and shut off. No warnings or anything.
The light on the charger no longer lights up. I have tried all the tips on apple website and nothing works.
Any suggestions?

Try resetting your SMC.
Resetting the SMC of an Intel-based portable Mac with a battery you should not remove on your own
Note: This will not delete any data.
The SMC is responsible for controlling various system functions. None of your data will be deleted by resetting the SMC.
Shut down the computer by going to Apple () > Shut Down…
Select Shut Down or allow the computer to shut down automatically.
Plug in the MagSafe power adapter into a power source and then connect it to your Mac if you have not already done so.
On the built-in keyboard, press the (left side) Shift (⇧), Control (⌃), and Option (⌥) keys and the Power Button at the same time.
Release the (left side) Shift (⇧), Control (⌃), and Option (⌥) keys and the Power Button at the same time.
I hope I helped.
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MBP won't turn off after shut down

My MacBook Pro with upgrade to Leopard is staying hot after shut down. I am having to remove the battery to make sure, otherwise I have one red hot laptop when I open up my backpack. Is this another Leopard issue?

Good morning,
No, this isn't an issue I experience with Leopard...
I'd try [Resetting your MacBook Pro System Management Controller (SMC)|http://docs.info.apple.com/article.html?artnum=303319] and see if that solves your issue.
Hope this helps! 
David

IMac (3.4gHz Intel Core i7) shuts down when sleeps, then won't restart

Just bought a brand new 27" iMac (3.4gHz Intel Core i7) which shuts down when sleeps, then won't restart (ie completely dead).
In order to restart, I have to unplug the power cord from the computer, hold power key down for 10secs, replug in and it then starts up. I returned to the store and they spent a couple days letting it go to sleep etc and overnight and for them it was fine. Woke up no problems. They returned it to me yesterday.
So I set it all up again, left it overnight and this morning it was dead again. So now it leaves me to wonder if it's something I have plugged into it.
I have a new Seagate 3TB external hard drive hooked up using USB3.0. This is plugged directly into the back of the computer.
I also have a powered USB hub plugged into the computer which has regular USB stuff such as printer, graphics tablet and another external hard drive (this one is older LaCie 500gb, and have put it into a new USB 3.0 case as well for the arrival of the new iMac (this had an old firewire hard drive case). However this hard drive is switched off at the case and is not being used.
I believe it could possibly be the Seagate 3TB disk causing this problem, but it works fine during the day while I am using the computer, it's just when I either leave it at lunch time to go to a meeting or walk etc or overnight that I come back and it has shut down....leaving me to believe that it's due to the computer going to sleep.
Has anyone else had a similar problem with a Seagate drive? Today I'm conducting an experiment and heading off for lunch with both hard drives unhooked. If I come back and the computer wakes up from a click of the mouse or keyboard as it should, I will plug in one hard drive at a time and re-test. I will leave the Seagate for last, as I don't think it is the old LaCie disk (which is off).
For reference sake, I also have a NAS running off my network through Airport Extreme etc and have my old iMac hooked up to the network too, but don't believe this is the problem.
Initially I did put in some after market RAM (another 8GB) and though that might be the problem, but I removed and it still reacted the same way (plus store I bought it from again booted up fine and woke up fine at their shop after I had taken RAM out too).
Will keep this post updated with my next test (letting computer sleep without either hard drive in), but keen to hear if anyone has had any similar experiences with Seagate disks/cases and the new iMacs.
Cheers,
Kristin

Hey kristinandmike,
I had a similar problem shortly after I bought my 27" iMac. Here is an excerpt from my discussion:
"As BDAqua suggested, I started the process of elimination by shutting down the externals and just leaving up one of the USB drives and using the computer until time to shut it off. After eliminating 2 of the 3 drives I figured it had to be the last one. That drive is a Seagate GoFlex Desk version that allows different bases with differing connectivity. I had previously used FW800 to connect but had switched to USB3 on the new computer. I went ahead and got a Thunderbolt to FW adaptor cable and switched this drive back to Firewire rather than USB3. So far so good."
For some reason the Seagate I was using didn't agree with the USB3 on the Mac.

No video whatsover G5 1st gen iMac

My friend got this pristeen 1st gen iMac for free at a 2nd hand store outreach center. The HD and ram were missing and a I T tech we thought knew told us that was all it needed. I had no experience with anything Mac but I'm willing to learn. After installing 2 Gb of new PC 3200 400 mhz ram,new Western Digital 320 Gb 7200 rpm 32mb cache Sata hard drive, new apple wired keyboard,new Turtle USB Mac mouse and the brand new OS X Leopard disc and..... no video! I'm thinking this needs a replacement mobo but the mobo and capacitors are all looking great(appears new) so I don't think they're the problem. If I'm missing anything obvious please help. Possibly there's a video card missing and I don't realize it yet. Otherwise I'll be looking for one of those replacement G5 mobo's or a trade plus difference deal for another refurb or used Mac. Any ideas?

Is it starting up, but with no video? Or is it not starting up? I'm not certain an iMacG5 will handle a SATA disk drive successfully. Another possibility is that whoever had it before saw it die, salvaged the HD and RAM, and junked it. Sometimes you get what you pay for! You could get an external case for a SATA Hard disk, and maybe find someplace that would take the RAM in trade for some that's right for a new Mac, and be ahead to just buy a new one. If you're like me, I HATE to see one bite the dust with no hope of resuscitation!

Choppy video playback on my 1st Gen iMac G5

Everything from internet video to DVD playback on my 1st Gen iMac G5 is choppy and getting more so as time goes on. Can anyone tell me if this is a symptom of the defect that's covered under the extension plan or is this just some other problem?

Check the version in the Application Folder!
(I have had no problems at all after installing QT 7.5 on my G5 iMac in case you think it can't work at all.)
It is possible that something in either your pre-existing setup or your method of installing updates, are the root causes of whatever problems you are having with QT 7.5 particularly with choppy playback. Out of date plug-ins and add-ons could also be playing a part. Some users have found choppy playback to be associated with improperly loaded plug-ins and add-ons from third party vendors as well as those included by Apple with prior versions of Quicktime.
Third-party add-ons include DivX, Flip4Mac, or FLV components, while the included plug-ins are AppleIntermediateCodec.component, and AppleMPEG2Codec.component. The files for these are located in the root library, therefore a faulty component will load improperly for all users, resulting in choppy playback even when a user creates a new account. Some may need updating or just reinstalling to work with QT 7.5.
You should therefore:
Remove and re-add all quicktime components and plug-ins.
Navigate to /Library/QuickTime/
Move all plug-in ".component" files from the folder (to the Desktop, for instance)
Launch QuickTime and quit it again
Place the ".component" files back in the QuickTime library folder
Launch QuickTime again, and the choppiness should be better.
A few more things to try but in each case first close all applications and repair permissions.
1 Try opening then closing GarageBand, or launching then quitting the "Audio MIDI Setup" application located in Applications/Utilities. Failing that, go back to Audio MIDI Setup, and under the Audio Devices tab, make sure the Audio Output Format is 44100.0 2ch-16bit.
Restart your Mac.
2 Go to the Library on your main hard disk and find the Internet Plug-Ins folder. Try removing the following files:
QuickTime plugin.plugin
Quicktime plugin.webplugin
Restart your Mac.
Re-install the Quicktime 7.5 update
Go to Home/Library/Receipts and delete the file Quicktime 7.5 pkg.
Download from the Download page on the Apple site the correct version of Quicktime 7.5 for your Mac.
Install it and restart your Mac. Repair permissions.
3 If still no luck, it is time to look carefully at your plug-ins and add-ons. The safest way is to download and re-install all of them. The ones you need in order to see and hear virtually everything the web has to offer are:
RealPlayer 11 (which is no longer in beta) for Mac from:
http://www.versiontracker.com/dyn/moreinfo/macosx/15540
Flip4Mac WMV Player from http://www.microsoft.com/windows/windowsmedia/player/wmcomponents.mspx (Windows Media Player for the Mac is no longer supported, even by Microsoft)
Perian from http://perian.org/
You should read this support page http://perian.org/#support in case you need to delete older codecs.
Adobe FlashPlayer should first be uninstalled using the appropriate uninstaller available here: http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_14157&sliceId=2 and then the latest version obtained from here: http://www.adobe.com/shockwave/download/download.cgi?P1ProdVersion=ShockwaveFlash and installed.
(You can check here: http://www.adobe.com/products/flash/about/ to see which version you should install for your Mac and OS.)
You should also ensure that you have downloaded and installed all the correct version for your Mac of all recent Security Updates.
(N.B. Security Updates require both a restart and a permission repair.)
In Macintosh HD/Library/Quicktime/ delete any files relating to DivX (Perian already has them). However it should be noted that Perian is not an internet plugin and will not play DivX files imbedded on a website. For that you will need the DivX Player browser plugin available from http://www.divx.com/divx/mac/
Now go to Safari Preferences/Security, and tick the boxes under Web Content (all 4 of them) to enable Java.
Lastly open Audio Midi Setup (which you will find in the Utilities Folder of your Applications Folder) and click on Audio Devices. Make sure that both Audio Input and Audio Output, under Format, are set to 44100 Hz, and that you have selected 'Built in Audio'.
Important: Now repair permissions and restart.
There is an additional 'fix' you could try if you are having problems with Flash and Quicktime, depending on which type of Mac you have:
On Intel Macs, make sure that you are not running Safari in Rosetta. You can check this, and change it, in the Get Info window.
On PPC Macs, go to the Hard Disk/Library/Internet Plug-Ins folder, and drag the file 'QuickTime Plugin.webplugin' to the desktop. Quit and restart Safari. If things have improved you can trash that file. If they haven't put it back, as the lack of this plug-in can cause QT content in some widgets to cease functioning.
If none of the foregoing worked, then you should consider and archive and install before repeating all of the above.

1st gen imac g5 graphics problems

Hi-
I have a first gen 1.8ghz 20" imac g5. About a year and a half ago, the mother board was replaced because of the exploding resistors. Recently, the screen has started intermittently getting pixelly in spots (like it did pre-mo-bo replacement) and then freezing (which is new). It happens every day or two, or sometimes within 10 minutes of booting. It seems to happen more quickly when Safari is up strangely enough...
I took it to the apple store this weekend and the genius there said that the resistors were not exploding and that the mother board looked good. I haven't seen any drivers for the graphics card available. Wondering if anyone else has had this experience and if there is anything that can be done. A shame to have to do away with this thing...

HI,
I too have a 1st gen iMac G5 20". It too recently started showing artifacts on the screen. For example when moving a window parts of the screen would get messed up. The problem became worse to the point where it would get stuck on a blue screen during boot (mouse and pointer still working). I took the cover off and saw three leaking capacitors on the mother board. They were in the group of 5 near the middle bottom of the board. I had them replaced, but unfortunately, this did not fix the problem or improve it in anyway. At the moment I have no idea what the problem is. Is this in anyway similar to your problem?

1st Gen Imac G5 Question

I own a 1st Gen Imac G5. I just recently purchased the Apple VGA Display Adapter hoping I would be able to use an external monitor as an extention of my desktop... after looking through the system preferences I realized there was no such option. I thought it might have had something to do with the OS version I was using so I upgraded to Leopord thinking it would solve my problem... it did not. Is there any sort of Patch or possible solution that could solve my problem?
Nick

Welcome to Discussions, Nick - as far as I know, you can only mirror to another display.

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

1st Gen iMac G5 doesn't turn on--after shutting down during sleep

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