PowerMac G5 Dual 2.5 Ghz. Want Start PLEASE HELP ME!!!

HI, all
I have MacPro G5 Dual 2.5 Ghz. 2004 PCI-X Bus
Yesterday my mac freeze during normal operation in Leopard 10.5.8
When I tried to restart the computer stop after display Apple Logo in the startup.
I have tried all this features:
1) Start from CD Same.
2) Reset SMU With Power Switch in the mani Board Same.
3) Reset Pram In some case the computer freeze and it's doesn't do that, in some other the Pram is reset but the machine still doesn't start.
4) Replace Pram Battery 3.6 V Same.
5) Start With Open Firmware (Altcommand+of) When i write "reset-all" The machine Freeze.
6) Start with Hardware test CD And IT Work Fine, all tests are passed with OK in base and exaust test!!!!!
7) At last I have replace the video Card, but same freeze at start.
I have tried to swap display using second monitor out And I have seen some strange things:
When I use second display connector the computer still freeze during the startup sequence after the apple logo, but when i shut off computer pressing 10 second the power switch and reconnect the first display connector the machine start normal al all work fine (INCREDIBLE!!)
But when I shutdown the computer the next time i try to power on it freeze in the same way!!!
Just for information if i start in verbose mode (command+v) the machine freeze after "DART Enable"
Please anyone could help me to resolve this issue?
Thank's In Advance and sorry for my bad english.
Bye

Hi, I have Dual 2.0 GHz machine and it has some of the symptoms yours has. In Open Firmware if I type reset-nvram, set-defaults and then reset-all the computer does freeze, but in my case if I type reset-all without those two the computer resets itself as it is supposed to do.
My computer usually hangs at the apple logo and verbose mode shows DART Enabled as last message, rarely it will not chime at all or will chime but so no picture. If sometimes boots fine and runs without problems for 15 seconds to 3 hours, in my case it seems that if I run the CPU's at maximum settings and put them to constant stress the system is more stable, which I think is odd.
I have replace PRAM battery but that did not change the situation. I will later try to reseat or remove one of the processors altough I don't know if these motherboards are designed to work with processors removed.
I think it is motherboard or CPU -issue.

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Machine Model: PowerMac7,3
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Other than having to buy Tiger OS, there is no reason not to. I have Tiger on even older 2003 G4 MDD and Blue G3 (Yosemite) still running 10.4.9. Well, I don't use the G3.... but I 'could' - and run okay for basic stuff.
The only things to consider is that you have updated your software and such to run on Tiger (can't see that being an issue 2 yrs after Tiger shipped, unlike Apr 2005 when it was a 'learning curve' for all of us).
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Tiger Requirements...
To use Mac OS X 10.4 Tiger, your Macintosh needs:
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http://support.apple.com/kb/HT1514
Apple may even have an International version, but reports are sporadic...
https://discussions.apple.com/thread/5231053?tstart=0
http://www.ebay.com/sch/i.html?_nkw=mac+os+x+tiger+retail+10.4
See Tom's, (Texas Mac Man), great info on where/how to find/get Tiger...
https://discussions.apple.com/message/15305521#15305521
Or Ali Brown's great info on where/how to find/get Tiger...
http://discussions.apple.com/thread.jspa?messageID=10381710#10381710
Leopard requirements/10.5.x...
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minimum system requirements
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Classic/OS9 Apps no longer supported.
May be available from Apple again, or not...
https://discussions.apple.com/thread/4720126?tstart=0
Trouble is Apple no longer sells it, check eBay & such for the Retail version, not the Gray Discs...
http://www.ebay.com/sch/i.html?_nkw=mac+os+x+leopard+retail+10.5
List of Applications Not Compatible with Leopard...
http://guides.macrumors.com/List:Applications_Not_Compatible_with_Leopard

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See this older post from another forum member Zevoneer covering the different methods and software available to assist you with the task of copying content from your iPod back to your PC and into iTunes.
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There are remants of Bonjour in the program files, and I guess I could delete these to clean it up, but I doubt that would make the difference.
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There's a bunch of different stuff on 64-bit systems for BonJour (there's both 64-bit and 32-bit componentry stashed on a 64-bit system. We'll also try a cleaner version of an uninstall than the Apple instructions provide.
In Computer, open your C drive (or whichever drive your program files are installed on).
Open the "Program Files" folder.
Right-click on the "BonJour" folder (if it still exists) and select "Delete".
Go back into your C drive (or whichever drive your program files are installed on).
Open the "Program Files (x86)" folder.
Right-click on the "BonJour" folder (if it still exists) and select "Delete".
Go back into your C drive (or whichever drive your operating system is installed on).
Open the "Windows" folder.
Open the "System32" folder.
Right-click on the dnssd.dll and dns-sd.exe files (if they still exist), and select "Delete".
Go back into the "Windows" folder.
Open the "SysWOW64" folder.
Right-click on the dnssd.dll and dns-sd.exe files (if they still exist), and select "Delete".
Empty your recycle bin.
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Hello,
If a sad iPod icon or an exclamation point and folder icon appears on your iPod’s screen, or with sounds of clicking or HD whirring, it is usually the sign of a hard drive problem and you have the power to do something about it now. Your silver bullet of resolving your iPod issue – is to restore your iPod to factory settings.
http://docs.info.apple.com/article.html?artnum=60983
If you're having trouble, try these steps at different levels one at a time until the issue is resolved. These steps will often whip your iPod back into shape.
Make sure you do all the following “TRYs”
A. Try to wait 30 minutes while iPod is charging.
B. Try another FireWire or USB through Dock Connector cable.
C. Try another FireWire or USB port on your computer .
D. Try to disconnect all devices from your computer's FireWire and USB ports.
E. Try to download and install the latest version of iPod software and iTunes
http://www.apple.com/itunes/download/
For old and other versions of iPod updater for window you can get here
http://www.ipodwizard.net/showthread.php?t=7369
F. Try these five steps (known as the five Rs) and it would conquer most iPod issues.
http://www.apple.com/support/ipod/five_rs/
G. Try to put the iPod into Disk Mode if it fails to appear on the desktop
http://docs.info.apple.com/article.html?artnum=93651
If none of these steps address the issue, you may need to go to Intermediate level listed below in logical order. Check from the top of the lists to see if that is what keeping iPod from appearing on your computer in order for doing the Restore.
Intermediate Level
A. Try to connect your iPod with another computer with the iPod updater pre-installed.
B. Still can’t see your iPod, put it in Disk Mode and connect with a computer, instead of doing a Restore on iPod Updater. Go and format the iPod instead.
For Mac computer
1. Open the disk utility, hope your iPod appears there (left hand side), highlight it
2. Go to Tab “Partition”, click either “Delete” or “Partition”, if fails, skip this step and go to 3
3. Go to Tab “Erase” , choose Volume Format as “MAC OS Extended (Journaled), and click Erase, again if fails, skip it and go to 4
4. Same as step 3, but open the “Security Options....” and choose “Zero Out Data” before click Erase. It will take 1 to 2 hours to complete.
5. Eject your iPod and do a Reset
6. Open the iTunes 7 and click “Restore”
For Window computer
Go to folder “My Computer”
Hope you can see your iPod there and right click on the iPod
Choose “Format”. Ensure the settings are at “Default” and that “Quick Format” is not checked
Now select “Format”
Eject your iPod and do a Reset
Open the iTunes 7 and click “Restore”
In case you do not manage to do a “Format” on a window computer, try to use some 3rd party disk utility software, e.g.“HP USB Disk Storage Format Tool”.
http://discussions.apple.com/thread.jspa?threadID=501330&tstart=0
C. Windows users having trouble with their iPods should locate a Mac user. In many cases when an iPod won't show up on a PC that it will show up on the Mac. Then it can be restored. When the PC user returns to his computer the iPod will be recognized by the PC, reformatted for the PC, and usable again. By the way, it works in reverse too. A Mac user often can get his iPod back by connecting it to a PC and restoring it.
Tips
a. It does not matter whether the format is completed or not, the key is to erase (or partly) the corrupted firmware files on the Hard Drive of the iPod. After that, when the iPod re-connected with a computer, it will be recognized as an fresh external hard drive, it will show up on the iTunes 7.
b. It is not a difficult issue for a Mac user to find a window base computer, for a PC user, if they can’t find any Mac user, they can go to a nearest Apple Shop for a favor.
c. You may need to switch around the PC and Mac, try to do several attempts between “Format” and “Restore”
http://discussions.apple.com/thread.jspa?messageID=2364921&#2364921
Advance Level
A. Diagnostic mode solution
If you have tried trouble shooting your iPod to no avail after all the steps above, chances are your iPod has a hardware problem. The iPod's built-in Diagnostic Mode is a quick and easy way to determine if you have a "bad" iPod.
You need to restart your iPod before putting it into Diagnostic Mode. Check that your hold switch is off by sliding the switch away from the headphone jack. Toggle it on and off to be safe.
Press and hold the following combination of buttons simultaneously for approximately 10 seconds to reset the iPod.
iPod 1G to 3G: "Menu" and "Play/Pause"
iPod 4G+ (includes Photo, Nano, Video, and Mini): "Menu" and "Select"
The Apple logo will appear and you should feel the hard drive spinning up. Press and hold the following sequence of buttons:
iPod 1G to 3G: "REW", "FFW" and "Select"
iPod 4G+ (includes Photo, Nano, Video, and Mini): "Back" and "Select"
You will hear an audible chirp sound (3G models and higher) and the Apple logo should appear backwards. You are now in Diagnostic Mode. Navigate the list of tests using "REW" and "FFW". The scroll wheel will not function while in diagnostic mode. For further details on Diagnostic mode can be found at http://www.methodshop.com/mp3/ipodsupport/diagnosticmode/
Try to do the 5in1, HDD R/W and HDD scan tests. Some successful cases have been reported after the running the few tests under the Diagnostic mode. In case it does not work in your case, and the scan tests reports show some errors then it proves your iPod has a hardware problem and it needs a repairing service.
B. Format your iPod with a start disk
I have not tried this solution myself, I heard that there were few successful cases that the users managed to get their iPod (you must put your iPod in disk mode before connecting with a computer) mounted by the computer, which was booted by a system startup disk. For Mac, you can use the Disk Utility (on the Tiger OS system disk), for PC user, you can use the window OS system disk. Try to find a way to reformat your iPod, again it does not matter which format (FAT32, NTFS or HFS+) you choose, the key is to erase the corrupted system files on the iPod. Then eject your iPod and do a Reset to switch out from Disk Mode. Reboot your computer at the normal way, connect your iPod back with it, open the iPod updater, and hopefully your iPod will appear there for the Restore.
If none of these steps address the issue, your iPod may need to be repaired.
Consider setting up a mail-in repair for your iPod http://depot.info.apple.com/ipod/
Or visit your local Apple Retail Store http://www.apple.com/retail/
In case your iPod is no longer covered by the warranty and you want to find a second repairing company, you can try iPodResQ at your own risk
http://www.ipodresq.com/index.php
Just in case that you are at the following situation
Your iPod warranty is expired
You don’t want to pay any service charges
You are prepared to buy a new one
You can’t accept the re-sell value of your broken iPod
Rather than leave your iPod as paper-weight or throw it away.
You can try the following, but again, only do it as your last resort and at your own risk.
Warning !!!! – It may or may not manage to solve your problem, and with a risk that you may further damage your iPod, which end up as an expensive paper weight or you need to pay more higher repairing cost. Therefore, please re-consider again whether you want to try the next level
Last Resort Level
1. . Disconnecting the Hard Drive and battery inside the iPod – Warning !! Your iPod warranty will be waived once you open the iPod.
In Hong Kong there are some electronic shops offering an iPod service for Sad iPod, the first thing they do is to open up the iPod’s case and disconnecting the battery and the Hard Drive from the main board of the iPod. Wait for 5-10 minutes and reconnecting them back. The reason behind which I can think of is to do a fully reset of a processor of the iPod. In case you want do it itself and you believe that you are good on fixing the electronics devices and have experience to deal with small bits of electronic parts, then you can read the following of how to open the iPod case for battery and HDD replacement (with Quicktimes)
http://eshop.macsales.com/tech_center/index.cfm?page=Video/directory.html
2.Press the reset button on the Hard Drive inside the iPod – Suggestion from Kill8joy
http://discussions.apple.com/thread.jspa?messageID=2438774#2438774
Have I tried these myself? No, I am afraid to do it myself as I am squeamish about tinkering inside electronic devices, I have few experiences that either I broke the parts (which are normally tiny or fragile) or failed to put the parts back to the main case. Therefore, I agree with suggestion to have it fixed by a Pro.
2. Do a search on Google and some topics on this discussion forum about “Sad iPod”
Exclamation point and folder and nothing else
http://discussions.apple.com/thread.jspa?messageID=3597173#3597173
Exclamation point and folder and nothing else
http://discussions.apple.com/thread.jspa?messageID=2831962#2831962
What should I do with my iPod? Send it or keep it?
http://discussions.apple.com/thread.jspa?threadID=469080&tstart=0
Strange error on iPod (probably death)
http://discussions.apple.com/thread.jspa?threadID=435160&start=0&tstart=0
Sad Face on iPod for no apparent reason
http://discussions.apple.com/thread.jspa?threadID=336342&start=0&tstart=0
Meeting the Sad iPod icon
http://askpang.typepad.com/relevanthistory/2004/11/meeting_thesad.html#comment-10519524
Sad faced iPod, but my computer won’t recognize it?
http://discussions.apple.com/thread.jspa?messageID=2236095#2236095
iPod Photo: unhappy icon + warranty question
http://discussions.apple.com/thread.jspa?messageID=2233746#2233746
4th Gen iPod Users - are we all having the same problem?
http://discussions.apple.com/message.jspa?messageID=2235623#2235623
Low Battery, and clicking sounds
http://discussions.apple.com/thread.jspa?messageID=2237714#2237714
Sad faced iPod, but my computer won’t recognize it
http://discussions.apple.com/thread.jspa?messageID=2242018#2242018
Sad iPod solution
http://discussions.apple.com/thread.jspa?threadID=412033&tstart=0
Re: try to restore ipod and it says "can't mount ipod"
http://discussions.apple.com/thread.jspa?threadID=443659&tstart=30
iPod making clicking noise and is frozen
http://discussions.apple.com/thread.jspa?messageID=2420150#2420150
Cant put it into disk mode
http://discussions.apple.com/thread.jspa?messageID=3786084#3786084
I think my iPod just died its final death
http://discussions.apple.com/thread.jspa?messageID=3813051
Apple logo & monochrome battery stay
http://discussions.apple.com/thread.jspa?messageID=3827167#3827167
I am not suggesting that you should follow as well, but just read them as your reference. You are the person to make the call.
Finally, I read a fair comments from dwb, regarding of slapping the back of the iPod multiple times
Quote “This has been discussed numerous times as a 'fix'. It does work, at least for a while. In fact I remember using the same basic trick to revive Seagate and Quantam drives back in the mid to late 1980's. Why these tiny hard drives go bad I don't know - could be the actuator gets stuck in place or misaligned. Could be the platter gets stuck or the motor gets stuck. 'Stiction' was a problem for drives back in the 80's. Unfortunately the fix can cause damage to the platter so we temporarily fix one problem by creating another. But I know of two instances where a little slap onto the table revived the iPods and they are still worked a year or more later.”UnQuote

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Hi Mylenium,
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I have a problem with my k8m ne0-v motherboard.
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There are some text:
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Quote from: Skogsmullen on 27-July-07, 05:35:04
Hello!
I tried to write a full system specifikation.
Hope i got everything in it.
mm not yet read Moan Guide give memory spec, PSU +12V ampere stats...
and remaining hardware installed in your system.
ensure power cable from PSU to VGA is plugged in.
if no change try with better and decent PSU which can handle your newest VGA, with high amperes on +12V
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ISite external and PowerMac G5 dual 2.7 GHz - no signal

OK, so I fire up Delicious Library to enter some DVDs and when I click on the little camera icon, I get a black window with "no signal". Similarly if I fire up iChat, and click on the camera icon, there is only a black window - no image. In neither of these cases does the iSite's little green light come on.
Twisting the bezzel to open/close the iSite lens cover (which I only found out about today when searching for a solution to this problem - neat little shutter) has no effect.
If I unplug the iSite and plug it back in, the little green light comes on for about 3 seconds, then there is a click sound and then the light turns turns off.
The iSight does apear in the System Profiler, and if I have iChat set to open upon the iSight being plugged in, iChat does launch when I plug in the iSight.
I do not use the iSight very often, but I recall in the past there being some troubles with it being fully recognized, but previously I have been able to solve it by plugging/unplugging, loggin in/out, and similar sorts of tacticts. I have enven tried restarting the system, and that does not seem to have helped.
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Hello Johann Beda,
Although you solved your own problem, I'm a bit surprised that you didn't come across the advice to never, not if you value your external HD data, never run or use your iSight at the same time while an external HD is in use. There are numerous stories & discussions of problems with iSight and external FW devices not playing well together and of lost data. I think you were probably lucky that you only experienced the cam not working.
Anytime you want to use the iSight, unplug the external HD. Otherwise your running a risk of lost data. And if your using the external HD for Delicious (scanning bar codes) you might want to consider adding a 2ns internalSATA HD to your G5. It takes less than 10 min and there are simple directions on the Apple support site.
I did, and have not had any problems. And I now use the external FW HD for backups every week.
Finally, as Ralph mentioned, there are somereports of problems w/Delicious but compared to the FW-iSight-Ext.HD issue, this conflict seems to be pretty rare.
Respectfully,
Bill Gallagher

Powermac G5 dual 2.3 Ghz melting?

Greetings from broke *** Iceland!
Sorry if my english is not spot-on perfect I'll try my best. When I turned my Powermac G5 on a few days ago the fans went berserk. As I understand this is a common problem on these machines. This has happened a time to time over the last 3 years but now they stay in overdrive all the time and my room is suddenly like a noisy airplane cabinet. So I have tried to blow all visible dust inside the case and from the fans. I also pulled the powerplug, reset the SMU and restarted again holding the altcommand+pr but it doesn't work. I tested the RAM and it is ok. I called my local Apple dealership in Reykjavik ( I live in Akureyri some 400KM away ) and they told me that it would have to be a bad heat sensor. That was what I also thought after some internet investigation until I found a program called Thermographx which reads heat sensors in Mac computers. It claims to be rather precise in readings, specially in later models like G5's and my readings tell me that my drive bay is 75°F
backside is 86°F
U3 heatsink is 114°F
CPU A AD7417 AMB is 86°F
CPU B AD7417 AMB is 262°F !!!
Is this normal? My computer runs fine...though....but isn't this rather hot and odd that only CPU B is overheating? Is my CPU dying and not a faulty sensor to blame? Is it save to keep working on it like this? Maybe this program isn't perfect...but 262 worries me.
My dealership in Reykjavik put in a new motherboard one year ago, a new powerunit, fixed some other minor things and it took 8 weeks. Horrible service here in Iceland so I'm not too happy to go there again if I don't have to since i'm a graphic freelancer and this machine is my bread and butter. Last time I got a loaner after one month!
The computer is in a fairly good ventilated room and it is getting enough air circulation - the same as always I guess. I just moved to a new place and this happened the first time I turned it on in the new place but I was very careful when moving the case. It got a bit of a bump one time though, not very hard, I would be suprised if that damaged the B CPU in some way? Could it? Both fans are working 100%.
Any ideas what to do - I know computers fairly good - but I'm not a technician.
Cheers
Hafsteinn Thordarson

Hello hafz,
I use iStat Pro widget for temperature monitoring. My CPU A and B reads 113 and 102, respectively. The Ambient reads 92 and 90, respectively.
Your CPU B Ambient is very high. A good guess is a faulty temperature sensor or a need for re-calibration. This is done using the Apple Service Diagnostic CD. A local Apple service facility should be able to help.
Search the net and try to find out more about replacing, disconnecting, checking the connection of the bad sensor, or where to locate the sensor for inspection. I would guess that someone else on the net has had a similar problem and has posted their experience.
Best Regards

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This free progam will make a bootable USB Flash drive and do the work for you.
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