Imac firewire problems

I have a 27" late 2009 imac running os x 10.8.5 The I plug a presonus firestudio mobile to it and it does not show up. I plug it to 2 other mac and it showed up.
What is the problem. Do I have a bad firewire? If i do is it a way i can test it?

Hello Enthomas,
Thank you for using Apple Support Communities.
For more information, take a look at:
USB and FireWire Quick Assist
http://support.apple.com/kb/ht1151
Have a nice day,
Mario

Similar Messages

IMac firewire problems - anyone just replace them?

hi. i know there have been a lot of problems and a lot of posts with the FireWire busses on the aluminum iMacs. I know no Apple solution has been released. But i'm wondering if anybody has had their FW busses on their iMac replaced with a bus using a different chipset than the Agrere(sp?) set. is this possible even? if this ridiculously complicated?

Since the Firewire is soldered onto the logicboard, you'd need an entirely different logicboard design. Unless Apple has used other chipsets, which is unknown, I don't think that's possible. It is more likely one of the issues outlined here needs to be addressed if you are having Firewire problems*:
http://www.macmaps.com/firewirebug2.html
- * Links to my pages may give me compensation.

IMacs Firewire problems

I have three iMacs and all three of them are having problems with Firewire connections. Anytime I try to connect them to a firewire hdrive or to each other with one of them being in the firewire hdrive mode and transfer more than 5Gb of data, I get a Finder error that the data in one of the files cannot be read. Occasionally macs don't even mount in a firewire mode.
Same hard drive with the same iMac has no problems when connected via the USB port.

it's just a simple question for you, but difficult for me
<my Ibook 466 has problems with firewire port.
First, i've noticed after installing OSX 10.3 the firewire port was not working and not recognized in system info.
I got the idea of firmware upgrade: 4.1.7
Then it works. after a few system upgrades to 10.3.9 and to 9.2.2 for Classic, I was confident and tried to connect a firewire external drive, no way, the port was not recognized again, it sounds like dead !
But I didn't give up, I reinstalled OSX again, nothing !
I tried booting in open firmware and reset all, nothing !
I zapped the PRAM, the Ibook stayed blocked, no boot, maybe don't know if he goes to OS9 or OSX ??
I put my OSX CD, and choosed a new startup disk, so I boot on my internal OSX partition. Then miracle my firewire port was OK.
What is this ? So, I wanted to titillate my brain, I run Classic, and then I went to check my firewire port. Result: it disappeares. So the problem is caused by Classic, why ? that's the question.
I did this experiment twice, same result : as soon as I run Classic, I loose my firewire port !
thanx for your help >

Imac firewire problem

Helly, i am from Germany.
I have a Imac 21 and I have a Probem with Saffire Pro Dsp 24.
The Imac dont show the Driver.
Please help me, in German
Mario

Go to > Downloads | Focusrite for the latest drivers and support.

Odd network (and Firewire) problems cured by unplugging iMac

I experienced a weird problem with my May 2005 20" iMac G5 running 10.4.2. In October I suddenly lost the ability to connect with one of my computers but not the other. I could connect just fine to the G4 Powerbook running 10.4.3, but could no longer connect to my G4 tower running 10.2.8. The iMac would spend several minutes trying to connect and then the message I got was that the server did not exist or something similar, or sometimes it would say that the version of AFP on the G4 tower was incompatible (I hadn't changed anything). I could still connect from the Powerbook to the G4 tower without any problem so I knew that the tower was OK, and all of the computers were able to print normally through the laser printer on the network. My workaround was to transfer data between the iMac and the tower by going through the Powerbook, but this was a pain since it took twice as long.
Of course I tried rebooting the iMac a number of times, but this did not help. I was thinking it was a software corruption of some sort, and was thinking of wiping the hard drive and reinstalling the whole system (fortunately I hadn't gotten around to doing that yet).
This problem persisted for about 2 months until I also realized that my Firewire ports weren't working either when I tried to hook up a new external Firewire drive. The Firewire ports did not even appear under system profiling. I had a very hard time locating info about troubleshooting the Firewire ports, but finally came across the suggestion to unplug everything from the computer, unplug the iMac from the power and leave it off for a while.
This unplugging cured the Firewire problem and also cured the networking problem!
(I don't know why this worked. I keep the iMac plugged into a UPS to protect it against power outages if that makes any difference.)
(The network configuration: iMac and Powerbook connect to Airport Express via Airport extreme, and the Airport Express is connected to the G4 "Digital Audio" tower through an 8-port Ethernet switch (which also connects to laser printer, a PC, and another very old Mac.))

Chime,
Good news for you. Actually, it's an emphatic YES!
Every ISP I've ever used had fine print explaining that multiple computers require multiple accounts. The interpretation of this is: Every computer you want to have assigned a PUBLIC IP address from your ISP requires it's own account. If you try to get clarification, your ISP will argue it, they want you to pay them more money for unnecessary accounts!
You only need one PUBLIC IP address from the ISP in order to establish internet sharing throughout your house. Your gateway will establish PRIVATE IP addresses for the computers on your home network.
Plug the phone cord into your Base Station (if it has a dial-up modem), the base station then becomes the one PUBLIC computer allowed on your ISP. Configure it to dial out on demand. It becomes the gateway between the internet connection and your internal network.
This is completly legitamate as long as you are sharing over an "in-your-own-home-for-personal-use-only" PRIVATE IP LAN behind your ONE gateway connection.
Not familiar with the new Base Stations, all the older ones had modems. The base station with a modem IS the most convenient way to do this (esp. for dial-up) and provides the best firewall security for the whole network. However, if yours doesn't have a modem, it's still possible to establish internet sharing using one of your computers as the gateway to dial-out and share the connection.
BTW - if BB options are limited, have you considered satellite options (DirecPC, etc.)?
Mark

The Great iMac FireWire Mystery

I'm stumped on this one and was wondering if anyone had any suggestions.
A couple of months ago I replaced my mother's mirror door G4 (2x1GHz) with a 20" 2.16GHz Intel iMac (the last of the all-white iMacs). Her G4 had an 80GB and a 60GB internal hard drives, with the 80GB being the boot drive and the 60GB being accessed exclusively by Retrospect to do incremental backups on a nightly basis and a recycle backup once a month. This system worked quite well for the past couple of years.
Her iMac has a 250GB internal drive. I added a Newer Tech miniStack v2 200GB hard drive which I have connected via FireWire. Using the same Retrospect-based system, backups are performed regularly. However, there's a fly in the ointment. Occasionally and for reasons unknown the computer will unmount the FireWire drive all by itself. This happens regardless of whether the computer is idle or in use. Power cycling the drive will remount it and all is well afterwards -- until the next time. It seems to happen about once every 2-3 days. The drive can be connected for 2-3 days at a time without any problems, but then it just disappears. Poof.
Things to remove from the list right off the bat...
1. The miniStack drive is fine, having performed its duties on several other computers in the past and operating flawlessly in the same capacity on other computers (including a MacBook Pro and an aluminum iMac).
2. OS X is set to sleep the drive when it's not in use. Since the incremental backup process takes less than five minutes a day to complete, having the drive spun up 24/7/365 makes little sense. The drive happily spins up when Retrospect does its thing (assuming the drive is still on the desktop at that time, of course) and the drive happily spins down shortly after Retrospect finishes (again, assuming...). A suggestion of "turn drive sleep off" is not acceptable for this reason, and for the fact that the other computers that the drive was attached to also had drive sleep enabled and didn't have this problem.
3. The OS X installation (10.4.10) is very clean, having been installed when the iMac was installed. There are no "haxies" or anything weird like that installed. The only "modification" to the system is enabling the DEBUG menu in Safari. When I put the iMac into target disk mode and boot my wife's MacBook Pro from the iMac's hard drive, the miniStack drive does not show this problem. If the OS X installation was to blame then the MacBook Pro should also have lost the drive.
4. I've also gone the other way, booting the iMac from the MacBook Pro's OS (10.4.8 and 10.4.10) in target disk mode. The problem remains on the iMac.
5. The iMac itself has been checked out by Tekserve and the Apple Store, both in Manhattan, and has been pronounced 100% without error or problem. The iMac also passes the hardware test provided on the Apple CD and the TechTool Pro diagnostic. All other aspects of the computer perform flawlessly.
6. The FireWire cable has been replaced, and both the old and new cables are perfectly functional with all other drives and computers tested.
7. With one exception, other FireWire devices on the iMac seem to work flawlessly in all other regards. I've tried two camcorders, an iSight webcam, a friend's FireWire-to-MIDI box, a DVD burner, and a FireWire CF card adapter. All perform perfectly. The one exception is a 60GB portable FireWire hard drive. This drive performs exactly the same way on the iMac; that is; you can connect it and use it without a problem, but if you keep it connected for 2-3 days it too disappears from the desktop just like the miniStack drive. (I had a 2GB CF card connected to a FireWire CD card adapter, and it was mounted on the desktop as a formatted Mac volume. This card stayed on the desktop for five days without a problem, so the problem seems to be localized to actual hard drives and not just mass storage devices.)
8. The iMac performs perfectly in target disk mode. I had it in TDM connected to the MacBook Pro for several days and it never disappeared.
So, I'm at a loss. My current "fix" is to connect the drive to the iMac via USB and that seems to be working. That seems to indicate that it's a FireWire problem but I've never heard of one so specific to one particular category of hardware before (e.g., hard drives). Regardless, that doesn't solve this mystery. Yes, the drive works under USB....but why not FireWire like it should?

I have been having similar problems with a Mybook FW HD disappearing and remounting at random intervls. I am in the process of replacing it with a Fantom 1000.( I have a 300G Fantom with an Oxford chipsest that has been completley reliable for > 2yrs attached via FW400).
The Fantom 1000 mounted immediately with FW800, but as it was Fat32 formatted I decided to erase and reformat with MacOS extended using disk utility. I haven't been able to mount the final product, although it is recognized and described by the System. Disk utility can't verify or repair due to a formatting error.. I should mention that disk utility never gave any indication that it had finished the formating.. the blue barber pole was still spinning after 12 hrs
How long should it take to format a 1T disk?
Anyway now I am trying using a FW400 port and am about 1 hr into it...... next I will try USB and if that fails I will try to return to FAT 32... I should have quit while I was ahead
My question .... is this a FW problem, a Fantom problem or a formatting (Disk utility probem)

IMac firewire port is not working

iMac firewire port is not working
Hi everybody, Happy New Year.
I am a 72 years old semi-newbie in video editing, because Iedit only 1 or may be 2 movies a year since 2007 and I have only very little computer knowledge.
I received a new 27” iMac as a birthday gift 14 months ago. About 10 months ago, with help, I successfully use the Migration Assistant to transfer some datas from my old power G4 to the iMac including two Final Cut Express projects. I had one project successfully done; burned to DVD and I save it with Print To Video. Last week, I have my second project done, I burned the sequences into DVD but unable to do a Print To Videodue to the iMac is not communicating with my Sony camcorders DCR VX1000, this is the same camcorder I used on the last job which was working a couple of months ago.As a result, I try to switch the Easy Setup with different Format and different Use; I refresh the Canvas window; I did a Mix down; move the Screen Saver to NEVER as well as the Energy Saver set to NEVER SLEEP. I also trashed the preferences (plist) folders; run the Utility repair, I replaced the firewire cable (4 pines – 9 pines 800), but nothing work. Up to this point, I think that there is no signal from the firewire port to the camcorder because I understand when the sequences is ready, the firewire is connected between the computer and the recording camcorder, the Print to Video is activated, then the word DV- IN should be seen on the recording deck screen. This time, I don’tread such words on the recording screen. Therefore, I think there’s no out going signal from the iMac to the recording camcorder and the iMac is not receiving signal from the recording camcorder. At this point, I try to connect my iMac to the power G4 to see if I can do some data transfer. Follow the procedures, I hook up the data transfer cable between the G4 and the iMac, I can the fireswire icon moving on the G4 screen but no indication on the iMac screen (there should be some indications in the source bar), this shows me the iMac did not recognize the G4 which worked on previous data transfer. It looks to me the firewire port on my iMac is dead. What has gone wrong? Could I accidentally disabled the firewire port by some magic keystroke? (i.e. accidentally fat finger some thing to make it stop working? Oh, by the way, during the playing around, went to the Final Cut tool bar, I click the View >Video Out > Digital Cinema Desktop Preview – Main, the result was a black screen and the esc key was my rescuer - LUCKY LUCKY! Are there any other trouble-shooting techniques to apply before bringing to shop? Please help!
Sorry for such a long statement, forgive me for unable to make it shorter. Thank you for your patience. Thanks to all the folks in this board for being so helpful.
p.s.

Not sounding good.
If the system Profiler does not see it then there is a basic communication problem between camera and the Mac.
I'm thinking the Firewire port is the culprit as some 800 ports were faulty.
I'd suggest taking the Mac, cable and camera to your nearest Authorized Apple Service Centre and get them to diagnose the issue. eg. let them try to connect the two devices.
Right (control)click the Sequence icon in the Browser and select Item Properties, do the same for a clip.
You can also post screen shots for the Properties.
Al

Firewire problem since upgraded to 10.4.3

Hi there,
since I have upgraded my iMac G5 to 10.4.3, it is no longer recognising my external Lacie firewire drives. These work fine as I have tried them on a machine running 10.4.1, and they worked fine on the iMac G5 before I upgraded to 10.4.3
The iMac powers the devices but they do not mount or show up in disk utility or apple system profiler...
any ideas?

Robert,
Take a look at this thread:
http://discussions.apple.com/thread.jspa?threadID=260074
Also, which update method did you use when you went to 10.4.3? Did you use Software Update or did you download the update from Apple's website? Some users have reported a resolution of Firewire problems by downloading and installing the 10.4.3 Combo Updater from Apple. You can do this even thought you are already at 10.4.3.
Regards,
Steve M.

10.4.7 update and external firewire problems with HD corrupion

Dear all,
Advised by Jpfresno I started this new topic about Tiger 10.4.7 update.
I will repeat my post and what was happening 2 weeks ago:
“In 5 years 10.4.7 update was a tragedy for my Powerbook Ti 667. When I update from 10.4.6 to 10.4.7 my 300 GB firewire drive gets corrupted, after repairing it with DiskWarrior and after connecting it to my PowerBook my computer freezes and I must shut it down via powerbutton. Safari also crashes after the update.
I just erase my Hard Drive and after that install 10.4 and update with combo to 10.4.7. But I had the same problems: finder freezes with connected firewire devices and also safari when browsing. I spend a week trying to solve the problem but no luck.
Yesterday and with no firewire devices, 10.4.7 freeze and I have big trouble in order to started my powerbook!!! Even when i insert the 10.4 install DVD it did not detected my HD. Finally I get it to work and install 10.4 and combo update to 10.4.6 and everything works. My external firewire drive and safari. I already diagnose my HD with disk utility, TechTool and directories with Diskwarrior and everything is ok.
I clone my 10.4.6 to firewire, boot from it and everything is working. I let my external drive connected and finder does not freeze.
My conclusion is that the problem is 10.4.7 update. It only give me problems and I was getting crazy with it. 10.4.6 is working good and I do not advice anyone to update to 10.4.7.”
Last week after reinstalling 10.4.6 I started to have HD problems with my Powerbook 667. I did a surface scan with TechTool I it reported bad sector. Then I done a zero disk format but after a second surface scan TechTool also reported bad sector. Then I take the decision to replace my internal HD. I bought a Samsung 40GB Hard Drive and installed it on my PowerBook. Then I have done a clean installation of 10.4.6 with all applications that I need and clone it to my hard drive with Intego Personal Backup software. Everything works on 10.4.6. and external firewire drive.
After that everything is ok. But I decided to test if my problem derivates from 10.4.7 update or from previous HD corruption. Then I install 10.4.7 update on my Internal Hard Drive. Everything is working good but after connecting my external Hard Drive the finder started to freeze!!!!!!!!!. After that I tried cloning HD to external firewire with Intego personal Backup. Everything was working good but when it was finishing the backup process started to give errors!! I started panic. I interrupted the backup process but after and after restart I found something strange with 10.4.7. The system started up, I login but I could not started any application!!!??? All my application died!
Then I have done one more clean installation of tiger and 10.4.6 update.
My conclusions are that the 10.4.7 update causes all the problems that I have on my PowerBook, because I used the same methods and same software/hardware on 10.4.6 and did no have any problem.
This last two weeks were very difficult to me. I tough that these problems do not happen with Apple computers but I was wrong!!! It is very hard to me to deal with it. I always said to my friends that I never had problems with Apple computers. I accept that a hard drive died because the use of it but I can not accept that a system update cause me 2 weeks of hard problems and make me loose precious work information! I always love apple computers and Apple OS but now I am disappointed
If anyone can explain what happen or have a solution for those problems?
Thanks for the comprehension and collaboration.
Best Regards
Mac OS X (10.4.6)

Hi, alsvieira.
There are some things you did not check in all of your troubleshooting:
1. Run the Apple Hardware Test (AHT) that came the affected computer. See my "Apple Hardware Test" FAQ for comprehensive advice on using the AHT in troubleshooting.
2. re: FireWire troubleshooting: Here is some general troubleshooting advice that may help if problems return with your FireWire drive:1. Review the AppleCare Knowledge Base document "What to do if your computer won't recognize a FireWire device".
2. If this problem occurred after installing a recent Mac OS X Update, and you are also unable to mount CDs, DVDs, or disk images perform the steps in this Mac OS X Hints article. This worked under Panther and may also work in certain situations under Tiger.
3. Power-on the FireWire drive before starting up (booting) your Mac.
4. Reset PRAM and NVRAM.
5. Resett the power-management chip in your Mac.
6. Try a different FireWire port. James Wiebe, CEO of WiebeTech, has published FireWire Port Failures in Host Computers and Peripheral Devices, a white paper providing backgroud information and technical analysis concerning the causes of failure for FireWire ports. This may provide additional diagnostic information.
7. Micromat TechTool Pro version 4 can test the FireWire bus in your computer: this tests the bus — not the ports — but if the problem is on the FireWire bus on the logic board, it should reveal it.
8. Check with the manufacturer of your FireWire drive or enclosure to see if any firware updates are available for such.
9. Hopefully, the partition map on the FireWire drive is not damaged. This can happen if the FireWire drive was not Ejected before being disconnected or powered off. If it still refuses to mount, you may need to employ data recovery tools or services: see my "Data Recovery" FAQ.Note that some of the information above is from the "FireWire Problems" chapter of my book, Troubleshooting Mac® OS X.
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Ipod update freeze, firewire problem, possible fix for many.

Hello all,
I've been having a problem with my ipod 3rd gen updating in much the same way as many in this forum have throughout a number of topic threads.
PROBLEM:
During song/playlist/content (not software update or restore) updating function one of two things would happen:
- update would freeze at some point of the transfer (5, 74, 687 songs in to the update) and I would have to force quite itunes and, not being able to dismount the ipod through recommended procedure, I would physically dismount the ipod and receive a scolding for improper dismounting of device.
- system would crash at some point of the transfer yielding the shaded screen and a prompt to restart the computer by depressing the front panel button for two seconds.
In each of the above cases, no matter how many songs that itunes thought it had transferred, I would only have about a dozen songs on the ipod itself, perhaps indicating a bottleneck on the G4 end of the transfer.
DEADENDS FOR ME THAT MAY STILL SOLVE PROBLEM FOR SOME:
- swaping out cables
- ipod software restore or restore to earlier version
SOLUTION:
After contacting Apple support, I was led to the opinion that the problem was with the firewire port itself. This was confirmed by attaching my ipod with my cable to a roomates G5 resulting in a faultless transfer of his song library. I was ready to go out and purchase a new firewire PCI card but decided to research firewire problems in the G4 folder of Discussions. This is where I found the fix to my problem (see links at bottom of document). It would seem that Mac ports, both firewire and USB, have a tendency to bog down after awhile and need to be reset. This can be a addressed by one of three possible solutions. The first and easiest was the solution that worked for me (for other solutions please follow links at bottom of page):
- powered down and disconnected all firewire and USB cables from the G4
- disconnected power cable from G4 (for laptops I would guess that the battery would need to be removed, not sure if that causes any other problems though, please research)and let sit for about 30 minutes.
- reconnected all cables and restarted computer. Ports should be reset at that point
- I took the added measure to restart my computer once with nothing attached to USB and firewire ports and then powering down with front panel button before connecting cables and proceding with final restart.
RESULT:
Faultless transfer of 37.6 gigs of content in less that 45 minutes.
LINKS:
http://discussions.info.apple.com/webx?128@@.68bb1cb3
Dale Weisshaar, "Security Update killed my firewire ports" #1, 08:28pm Sep 27, 2005 CDT
Good Luck
GKE

This worked perfectly for me!!!
SOMEBODY PLEASE TAG THIS POST!!!
i have had the problem that everyone has posted about (i.e. - updated iTunes/iPod software and had the update/freeze problem, tried all solutions, to no avail, and was pretty much screwed.)
JUST DO EXACTLY WHAT HE SAYS TO DO (powermac g5, by the way):
1) power down the computer
2) unplug EVERYTHING (usb, firewire, power, monitor, etc.)
3) leave unplugged for 30 minutes
4) plug power back in
5) power up from main power button
6) wait for computer to start back up, then shut down from power button
7) plug everything back in and power up
8) restart once more for good measure
9) update your ipod
10) take a sigh of relief!
you are seriously a godsend...only one thing...I BOUGHT A NEW ONE ALREADY!!! i literally bought it the day that you posted this solution. After a month and a half of trying to fix this problem, i finally gave up and bought a 20GB iPod Photo with applecare...cost me about $380.
no matter, i think i'm gonna sell my "older" ipod to my mom or dad. they'll use it doing whatever they do. plus, that way, if there's any problem, i can fix it for them without feeling bad about screwing over some stranger.
thanks again, this solution worked perfectly.

Lacie Speakers and Mac Pro Firewire problem waking from sleep and loud feed

Lacie Speakers and Mac Pro Firewire problem waking from sleep and loud feedback. I had a powermac before this with the speakers and it worked fine. But the mac pro is having these issues. Is it the firewire port or the speakers or (and most likely) just a firmware glitch with mac pro? Anyone else see these issues?

http://web.mac.com/jerimydulay/Site/MyAlbums/Pages/Lacie_FirewireMIDI.html
Here is my audio settings. For some reason I wish I could remember what I did. It was actually the Apple Store tech in the Unversity Village in Seattle that gave me the idea and I swear I had to change the settings in MIDI setup. Now that Leopard is out it seems the MIDI stuff has been redone. I included screenshots of my MIDI setup as it is currently to see if you see something different on your computers. Let me know!

Imac display problem, the resolution seems to be unusual, top bar and all folders on the desktop background is off the screen

Need help with 21" imac display problem. The resolution seems to be unsual, everything on the desktop background goes off the screen. The resolution is set at 1920 x 1080

Quit the game and restart the iPad.
To quit the game - Go to the home screen first by tapping the home button. Quit/close open apps by double tapping the home button and the task bar will appear with all of you recent/open apps displayed at the bottom. Tap and hold down on any app icon until it begins to wiggle. Tap the minus sign in the upper left corner to close the apps. Restart the iPad. Restart the iPad by holding down on the sleep button until the red slider appears and then slide to shut off. To power up hold the sleep button until the Apple logo appears and let go of the button.
If that doesn't work try this.
Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.

Have an iMac. Problem is I hear the fan noise, yet no power on the screen yielding no power. I have checked the power cord and it seems to be fine. Not sure if computer is a total loss. What would be the next step?

Have an iMac. Problem is I hear the fan noise, yet no power on the screen yielding no power. I have checked the power cord and it seems to be fine. Not sure if computer is a total loss. What would be the next step?
<Email Edited by Host>

What does the EMC# say on the base?

HT201066 I have problem with recently with playing DVDs on my iMac. the problem only with DVDs, please anybody can help me solve this problem?

I have problem with recently with playing DVDs on my iMac. the problem only with DVDs, please anybody can help me solve this problem?

Get a lens cleaner disc. One with brushes and try that. CDs and DVDs use different lenses, so since CDs load and play, I strongly suspect a dirty lens.

Firewire problem (iMac 20" Core 2 Duo)

Hello.
I've bought iMac 20" (Core 2 Duo) two days ago and just realized that FireWire doesn't work at all. Both of my external hard-drives simply don't mount when connected via FireWire (USB works fine and both USB and FireWire on other Macs too).
I tried to hold CMDOPT+PR while starting and left the computer disconnected from all cables for a couple of minutes. That didn't help.
Could someone please help me?

Well, for one thing it appears that your firewire port is working fine. It is reporting a connection with your hard drive. The question is, why does the drive not mount on your desktop? Just to satisfy that the drive has not mounted, please double click on your internal drive icon and look at the top left to see if your external drive shows up there (sometimes I find that things that should show up on the desktop seem to go missing, but they will show up in a Finder Window, although I have not known this to happen in the latest upgrade of Tiger).
If it is not in the volumes list, launch Disk Utility (it is found in the Utilities folder that is in your Applications folder). Again, look at the list on the left and see if your drive is listed under your internal drive (it should be). If it is listed but not mounted, select it by clicking on it in the list making sure it is highlighted. Then look for the "Mount" icon at the top and click on it. This should cause your disk to mount.
Whether it mounts or fails to mount at this point I would go back to Disk Utility, select your external disk and ask it repair the disk (you can do this even if the disk is not mounted). If the disk did not mount before, try again now.
Good Luck!
Griff

Imac firewire problems

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