Fire wire boot problem

I am the proud owner of a Mac Pro Intel, and just LOVE this machine.
The problem is that i can´t boot from an externat FireWire-drive containing a bootable system...
The same disc works fine to boot from using my other Mac Pro at work...
Does ANYONE know what can cause this problem???

I read problems like this and common - when OS X gets a new version - use to work and 10.6. broke support / works with USB but not FW / comes from [ LaCie, WD, Seagate, name-brand ] but standard Oxford based bridges are fine. LaCie had to issue firmware update AND driver (so might not work on virgin Apple system).
Still waiting to hear make/model of external drive case; the Mac Pro models; and the OS X version.
For the record in the past, sometimes Superduper was more reliable, CCC has gotten a lot more attention in the last year though finally (and about to be what it should have all along, $$ware instead of being treated as freeware).
So even though it has GUID and was formatted with latest OS used (and yes reformat helps when moving from Leo - Snow - Lion)
I would assume any drive case with FW (400? 400/800?) would also have USB2 if not quad interface (eSATA also, though most SATA interfaces for external drives are not bootable).
A Mac with a ATI 5770/5870 of course also needs 10.6.,5+ which is part of why there are minimum OS builds.

Similar Messages

Enabling VNC or Fire Wire booting

Hello Mac People,
Is there anyway to access "System Preferences" remotely?
I need to check and make sure that "Remote Management" is enabled on a FULL XSERVE server running 10.4.11.
I will be using a Mini-Mac also running 10.4.11; this is only going through a switch (same domain).
I have FULL administrator privileges and have no problem connecting using "Server Admin Tools". And I can telnet in just fine also.
Have tried approximately six GUI VNC applications (Chicken of the VNC, Tight VNC, etc.etc.) and ALL fail with vague error messages.
Also tried a known good PCI video card into this FULL headless server but then the operating system froze at start up. Yes the video card is compatible with 10.4.11.
I have also tied to "kick start" the service as well using:
sudo sh -c "/bin/echo -n enabled > /Library/Preferences/com.apple.ScreenSharing.launchd"
(and several syntax variations mentioned on the web) but the commands also fail.
This is a CRITICAL Mac server that is other wise working GREAT located at one of the companies that I support and of course they do not want to buy "Apple Remote Desktop". Gees .... this company is still running Office 2000 on most of there workstations. And seeing as how other VNC's are failing I'm not even sure ARD would install and then work anyway.
If there is no way to access "System Preferences" remotely. Would someone please be kind enough to explain or point me to a link on how to use a "Fire Wire" connection and a Mini-Mac to start this server.
I have seen it done before..... where a Mac system was started using the operating system on another Mac system. Do I need a particular application?
Thanks in advance <smile>

Thank you VERY much for your replies.
I'm thinking that the operating system on this server must be unstable. I know that Disk Warrior has been run on it in the past. Plus AFP (Apple File Protocol) failed to launch after a restart recently. But getting all of the updates fixed that.
Since this is a CRITICAL server I think what I will do is give them an estimate for a brand new main boot hard drive and set the current hard drive aside as a fall back position.
It looks like Snow Leopard (10.6.**) requires an Intel Processor.
This XSERVE is a G5, RackMac 3,1 with Dual 2.3 processors and it looks like they are not Intel based processors????? But "PowerPC" based processors?????
If that is correct I will see if I can locate there copy of Tiger Server. They just bought SEVEN IMac's running 10.6.2 Snow Leopard and you should be able to get more then six years on a VERY expensive full blade server like this.
Anyway, in the mean time, I really need to see how to boot this server from a known good G5, AKA "Target Disk Mode"
I found a link and will try it either this weekend or the next. I work on a lot of week ends at the companies that I support to stay out of the way of the end users.
http://blogs.techrepublic.com.com/helpdesk/?p=293
Once again thank you all VERY much ........ "Live long and prosper" <smile>

Install Mac OS X from an External Fire WIre HD : PROBLEM!!!!

Hey guys, I have a MacBook and I wanted to re-install the Mac OS X software. My internal dvd drive doesn't seem to work anymore so I tried to install the OS on a partition of my fire wire drive, from my brother MacBook, no problem there. When I tried to boot my mac from the FireWire Drive, I wasn't able to install it to my computer. Now, the only way I can do anything is if I do it from the FW drive...
Is there anything I can do to solve to problem??

Were you able to boot your other computer from the FW drive? What did you put on the FW drive? Did you actually install OS X onto the FW drive?
If you installed OS X onto the FW drive and can boot the computer with it, then just clone it to your other computer. See the following:
Clone using Restore Option of Disk Utility
1. Open Disk Utility from the Utilities folder.
2. Select the destination volume from the left side list.
3. Click on the Erase tab in the DU main window. Set the format type to Mac OS Extended (journaled, if available) and click on the Erase button. This step can be skipped if the destination has already been freshly erased.
4. Click on the Restore tab in the DU main window.
5. Select the destination volume from the left side list and drag it to the Destination entry field.
6. Select the source volume from the left side list and drag it to the Source entry field.
7. Double-check you got it right, then click on the Restore button.
Destination means the internal drive on the computer mounted in TDM.
Source means the external FW drive.
If you can connect both computers by FW, then you could actually clone the system from the working computer to the one with the bad optical drive using the above procedure. Destination would be the computer with the bad optical drive booted into TDM. Source is the good computer that you boot normally.

HDX 18/dv8t IEEE 1394/Fire Wire performance problem in Win 7

The IEEE1394 interface lives on the PCI express bus at IRQ 16, which is shared by several other devices. Audio interfaces, such as the M-Audio Pro Fire and Fire Wire series do not work reliably with the shared IRQ. In Vista, by comparison, the IEEE 1394 interface has its own IRQ, and seems to run more reliably.
Any ideas on how to fix this?

Well, I found a workaround for my issue. It's described in this article:
[url="iPod not recognized correctly on Toshiba laptop"]http://docs.info.apple.com/article.html?artnum=300836[/url]
By disabling the "Sandard Enhanced PCI to USB Host Controller" in device manager, my iPod was correctly recognized and I was able to sync with iTunes. That's the good news.
The bad news is that: a) Windows warns me that my "device can operate faster if connected to a USB 2.0 port" - and the sync with iTunes runs slowly; b) if I reanable that USB device (as suggested in the Apple article, my iPod is no longer recognized.
For now, I'll just disable this device when I need to sync, then reenable it when done. But this is going to be a pain. I really don't consider this a fix. It's really annoying that the iPod is the only USB device that requires this kind of nonsense.
Looking forward to a "real" fix for this some time soon.

Fire wire drive problem

Hey all,
I've got a problem when i plug in my firewire drive to my new MBP. It gives me the grey curtain of death. I've tried doing the usual like PVRAM and the PMU settings.
It started when I was trying to add a partition to the drive using disk utility. It got 90% of the way through and i got the curtain of death.
I've tried booting in Safe mode which won't appear to load, even after about 5 mins. I've tried booting of the CD, but when I plug the drive back in it just crashes again.
Basically I'd like to be able to stop it mounting so I can access it from the disk utility and try a repair. Failing that, a straight format.
Any suggestions welcome. Thanks in advance
Here is the error report:
Tue Dec 2 00:46:15 2008
panic(cpu 1 caller 0x001F9314): "jnl: mod block start: bufsize 512 not a multiple of block size 4096\n"@/SourceCache/xnu/xnu-1228.8.30/bsd/vfs/vfs_journal.c:2282
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x2a3cb2a8 : 0x12b4c9 (0x45aaac 0x2a3cb2dc 0x1335ba 0x0)
0x2a3cb2f8 : 0x1f9314 (0x46c084 0x200 0x1000 0x0)
0x2a3cb348 : 0x332719 (0x4595d10 0x2bd46c30 0x0 0x200)
0x2a3cb3e8 : 0x33bb5c (0x6037804 0x1 0x0 0x2a3cb778)
0x2a3cb7a8 : 0x334123 (0x6037804 0x476e804 0x0 0x0)
0x2a3cb8b8 : 0x335b8b (0x0 0x60459a4 0x0 0x0)
0x2a3cb9a8 : 0x1f5c6e (0x4e5b260 0x6cd7510 0xbffffdd4 0x0)
0x2a3cb9f8 : 0x1df3e8 (0x4e5b260 0x6cd7510 0xbffffdd4 0x0)
0x2a3cbf28 : 0x1dfaa9 (0x4e8804c 0x2a3cbf48 0x60458e4 0x1)
0x2a3cbf78 : 0x3df09b (0x4e8804c 0x60458a0 0x60458e4 0x0)
0x2a3cbfc8 : 0x1a0767 (0x5c738c0 0x0 0x1a30b5 0x5c738c0)
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbffffe28
BSD process name corresponding to current thread: mount_hfs
Mac OS version:
9F2114
Kernel version:
Darwin Kernel Version 9.5.1: Fri Sep 19 16:19:24 PDT 2008; root:xnu-1228.8.30~1/RELEASE_I386
System model name: MacBookPro5,1 (Mac-F42D86C8)

SOLUTION for me from a number of folks at Apple Support (thanks Tim Curry).
Booted from MBPro installation disk, (OS 10.4.9 - perhaps OS 10.5 disk would work?). Launched Disk Utility, connected the external Seagate FreeAgent Desk 1.5T via the Firewire 800, and the drive and its 3 indented partitions appeared in Disk Utility's sidebar(no kernel panic). Two of the partitions had the new names I had assigned, but the third didn't, instead was a grayed out "disk5s4". Disk Utility verified the first two partitions, but the third yielded an error message "The underlying task reported failure on exit". Tim then had me erase and reformat only that partition, and all was well. The data in the first partition was available.
I have since erased and repartitioned the drive, just to start afresh, from the MBPro 10.5.6 Disk Utility with no problems.(not the installation disk)
So, I really do not know what went wrong...at first I assumed it was me, but Seagate says here http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=204371
"Leopard (Mac OS X - 10.5) seems to be having problems reformatting external drives. This seems to be a common issue on Leopard that is seen on most brands of drives.
Note: This is not a problem with the External Drive. Rather, it is an issue with the Disk Utility found with Leopard." and goes on to suggest "Suggestions - If erasing/formatting the drive in Disk Utility fails, there are two options:
Note: If the Disk Utility Erase option fails, it may be necessary to move the external drive to a Windows system to repartition and reformat it. Click here to launch a video showing how to prepare an external drive using Windows Vista, or here for information in Windows XP.
Ensure that any/all installers (DMG) files are dismounted before trying to prepare an external drive. Simply drag these files to the Trash to proceed.
Reformat the drive on an older version of Mac OS X.
Boot off of the MacOS 10.4 DVD, access its Utilities Menu and prepare the external drive using Disk Utility.
Backup any data first, take the external drive to another Mac, launch Disk Utility and reformat the drive as Mac OS Extended or Mac OS Extended (Journaled).
If another version of Mac OS X is not available:
Open Finder > Applications > Utilities > Disk Utility
Click on the Partition tab
Click on the Current Volume Scheme drop-down menu and select One (1) partition.
Click Options. From the Partition Schemes provided:
Click on the GUID Partition Table radio button
-OR-
Click on the Apple Partition Map radio button
Click OK. Select other options as desired (e.g., Volume Name, Format, etc.).
Click Apply. The Partition Disk screen opens.
Click Partition. At this point, the volume dismounts from the desktop and the drive is partitioned and formatted.
Note: When Volumes are created, Time Machine may open asking if you would like to use the volume for backups. Click Cancel to proceed.
When finished, select the Disk Utility from the Apple Menu and choose Quit Disk Utility"
This morning, Apple http://support.apple.com/kb/TS2644?viewlocale=en_US
posted an article "Disk Utility: Unable to format disk 500 GB or larger" and gives the solution....
"Resolution
Format the disk in the following manner (as described in this article). Note: Simply erasing the drive without partitioning will not resolve the issue.
Back up your important data. Important: Partitioning a hard disk erases all data on the disk.
Open Disk Utility:
If you're started from a Mac OS X installation disc, choose Disk Utility from the Utilities menu.
If you're started from your computer's Mac OS X volume, open Disk Utility from the Utilities folder. You can get there by choosing Utilities from the Finder's Go menu.
Select the disk you want to erase.
Click the Partition tab in the Disk Utility window. If the partition tab is not visible, make sure you've selected the disk (not volume) in the left side of the window.
Tip: In Disk Utility, volume names are indented on the left side of the window. Disk names are not indented.
Choose the desired number of partitions from the Volume Scheme pop-up menu. It's OK to choose "1 Partition" if you only want one.
Click Options.
Note: On some Intel-based Macs, the Options button does not appear under the partition tab. Use the erase tab to erase the disk instead. This will change the partition scheme to the default "GUID Partition Scheme". You can then use the partition tab to create additional partitions if desired.
From the Partition Scheme pop-up menu, choose "GUID Partition Scheme".
Click OK.
Make any other changes you wish in the Volume Information section, such as partition size(s) or naming.
Click the Partition button to erase your disk and install the new partition scheme."
Cheers...Thanks for everyone's help....Don

UPGARDING PROBLEMS!!! NO CD Drive on a Power Book Fire Wire

First Of All Hello Everyone:
Here's my problem, a friend of mine ask me for help with he's power book Fire-wire the machine has (768 MB on RAM and 15 GB on HD),To upgrade his OS 9.2 to OS X, but (Here's the real problem) it has no cd or dvd drive, (Actually no cd drive at all), so i can't upgrade it to OSX. I Have tried with an external Iomega CD Drive (Predator Model) but it tells me it can't startup with an external cd drive, or simply doesn't recognize the external device when tried to startup the computer with the "C" key held down.
(It recognize the external cd when it's already stated up in OS 9.2)

Ikaro,
You cannot successfully drag-copy OSX like the 'Classic' OS.
If you could beg/borrow a FW CD-RW, you can boot the OSX CD and install via the burner.
Boot to the FW CD-RW in this manner: Load the OSX CD in the burner, then start up or restart while pressing the 'option' key, then select the OSX CD in the Startup Manager window.
Since you have a 10GB FW HD, you could connect it to another Mac (the host) that has FireWire ports and install OSX on the FW HD. The host should be able to start up to the new install on the FW HD so it can restart to the FW HD and finish up the install. If the host computer cannot boot to the FW HD, just let it restart to the internal HD, copy over CCC (see below), then properly unmount the FW HD. I believe you still should be able to boot the Pismo to the FW HD although I cannot be positive.
Now just connect the FW HD to your Powerbook (FireWire) a.k.a. Pismo, boot to the HD, and use Carbon Copy Cloner to clone a bootable copy to the Pismo's internal HD.
You will first have to download Carbon Copy Cloner from VersionTracker and place it on the host's HD. After finishing installing OSX on the FW HD, drag-copy CCC onto the FW HD. When preparing to CCC to the Pismo's internal HD, make sure you select "make bootable" in CCC's preferences.

Details on booting from a Fire Wire HD

Good day, all
I'm trying to make a bootable back up of my internal hard drive on my old iBook.
I used "Personal Backup X3" to "clone" my drive to a LaCie Fire Wire drive (which is partitioned into two 40 gig parts.
When I boot the iBook (with the LaCie connected) holding down the option key my screen shows my internal hard drive, one curved arrow, and one straight arrow. I infer that the curved arrow rechecks for bootable drives but is that correct? The straight arrow boots the computer from the selected drive.
Since I only see one icon (for my drive), I'm guessing there is a problem seeing the LaCie drive. Could this be because it's partitioned?
Let me know if I'm confused on how this works.
Thanks,
Hugh

Did you correctly partition and format this external drive? See the following:
Extended Hard Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to two. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
Repeat Steps 4-6 for the second volume.
Personally I would use the Restore option of DU to clone your iBook's drive but before you do I would do the following:
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger and Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, and 4.1 for Leopard) and/or TechTool Pro (4.6.1 for Leopard) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
I would then boot the iBook to be sure that OS X starts up properly. If it does then clone the drive as follows:
How to Clone Using Restore Option of Disk Utility
1. Open Disk Utility from the Utilities folder.
2. Select the destination volume from the left side list.
3. Click on the Erase tab in the DU main window. Set the format type to Mac OS Extended (journaled, if available) and click on the Erase button. This step can be skipped if the destination has already been freshly erased.
4. Click on the Restore tab in the DU main window.
5. Select the destination volume from the left side list and drag it to the Destination entry field.
6. Select the source volume from the left side list and drag it to the Source entry field.
7. Double-check you got it right, then click on the Restore button.
Destination means the selected partition on the external drive.
Source means the iBook's drive.

HT2832 Help! My fire wire 400 ports have stopped functioning, and my 800 is now having problems

Help! My fire wire 400 ports have stopped functioning, and my 800 is now having problems....I'm getting a protools message telling me there is a problem with my firewire.

First, you have posted in the wrong area, this is for PPCs and you have an intel.
Try repairing permissions and resetting the PRAM.
Let us know how you made out.

FINAL CUT CRASH - FIRE WIRE PROBLEM

Alright, this is just my last shot.
I use final cut pro 3 to edit videos, and a miniDV sony camera too. (I even bought new fire wire cables to double check the problem)
Always worked with them, no sweat.
But once I upgraded my iBook with the latest OS version TIGER, my nightmare started. My iBook is the second latest one, still on warranty .....
Final Cut crashes every time I open the LOG AND CAPTURE window. No way, it's impossible .... I tried to re-install the software. The only way (it seems really weird and odd) is to use iMovie to import them.
It's very crazy. I tried the same in a friends computer, and apparently is his, just works fine.

OHH Yes absolutly, I send my originals CD's to apple. I pay 49 dolars for the Crossgrade and Then I install everythiing. I have MY oun lisence all original. But I dont know what is going on.

Tengo problema con mi tascam 1082 tengo una mac bookpro i7 y no logro tener un conectividad correta la conexcion de mi puerto fire wire 800 pero la de la consola usa una coneccion fire wire 600 como saber si la macboook pro i7 que tengo pueda funciona no

tengo problema con mi tascam 1082 tengo una mac bookpro i7 y no logro tener un conectividad correta la conexcion de mi puerto fire wire 800 pero la de la consola usa una coneccion fire wire 600 como saber si la macboook pro i7 que tengo pueda funciona no hay manera de introducirle SD-EXPC34-2F 2 x Port 1394A Firewire ExpressCard porque ya mac no hace ese puerto y quisiera que ustedes me puedan dar una solucion para no seguir gastar dinero asi por asi
I have problem with my mac I have a tascam 1082 bookpro i7 and I can not have a liaison connectivity the correct one of my fire wire port 800 but the console using a fire wire connection 600 as pro macboook know if I have to work i7 that no way to introduce SD-EXPC34-2F 2 x 1394A Firewire ExpressCard port mac because you do not want that port and you can give me a solution for not going to spend money like this for so

Problems using FW-7344 with Fire Wire Video Cameras

Is it a bad idea to use the FW-7344 with other devices on the same fire wire bus?
We are trying to use an FW-7344 with a fire wire video camera but we tend to get packet errors that force a reset of the controller. We suspect that the problem is related with the camera and controller being on the same fire wire bus.
We instantly see problems when we connect two FW7344s and one video camera on the same fire wire card.

The NIMax program reads Packet Error. I can't recall the first error that our program reads, but I think it typically says something about not being able to communicate return values from the controller to the host computer.
This makes me think that the NI driver on the host does not retry after failing to get return data from the controller. This assumption may be valid with the PCI version, but probably is not with the FireWire version.
It only takes one camera for this problem to happen, but the problem is intermittent.

P35 NEO2 FIR boot problems

Hi,
I'm another unlucky MSI P35 NEO2 FIR user whose mainboard does not boot. My config is as follows -
mainboard: MSI P35 NEO2 FIR
cpu: E6750
ram: OCZ Platinum Rev.2 800 2x1G
gfx card: MSI 8600GT
psu: Corsair VXEU450W
In the beginning it worked flawlessly for about 4 months. Then the boot problems started to appear. After turning on, the mainboard status leds configuration was red-red-green-red, the system kept rebooting and I had to wait several minutes before successful boot occured. (The whole procedure involved additional amount of hassle for me because I had to open the case and disconnect the harddisk during the "warm-up" time.) Gradually the time before successful boot increased. At one time I was not able to boot for several hours. Then I changed FSB jumpers configuration, moved memory to different slots, reseted BIOS and I don't even remember what I tried before eventually miraculously booting the system. After this accident I had to wait 0.5-1.5h for successful boot. In the meantime I upgraded BIOS to v1.8. Nothing changed. This lasted few weeks, and now the big problem reoccured. Initially, the behaviour after turning on slightly changed. Instead of red-red-green-red leds, I got 4 reds. The big additional disadvantage of this was that the system was not rebooting automatically after a few seconds. I had to manually turn it off then turn on again and repeat it until I got red-red-green-red leds, after which automatic reboots started. It's been getting worse and worse since then and now the situation is that I haven't been able to boot the system for a few days. Each of those days I tried for several hours without success (still trying while writing this post).
The one thing I haven't tried is using the 667 memory, I read that it might help. But even if 667 memory will help, does it solve the problem once and for all, or it's possible that the problem will reoccur later (note that my mainboard worked fine for 4 months)?
Also, do you have any other suggestions?
Thanks for help.

Quote from: Jack the Newbie on 14-March-08, 04:44:40
Try to boot your system with only one stick of RAM installed in Slot 1 (test both stick seperately).
Tried this today, though not too long (<20 manual reboots).
Quote from: Jack the Newbie on 14-March-08, 04:44:40
Also, clear CMOS with main A/C power cable removed from PSU before next start-up attempt.
I did something similar today - I removed the battery completely (and rebooted without a battery since then).
Quote from: Jack the Newbie on 14-March-08, 04:44:40
Your current RAM modules could be faulty. Do you have different modules to try (different brand/model, if possible)?
I believe RAM is ok, because when my system worked I ran Orthos a few times for several hours in "blend" mode and no errors occured. Unfortunately I can't easily get 800 or 667 modules.
I'll try again tomorrow, enough for today.

Fire Wire problem on mini (mid 2010)

Hi,
i just bought an external hdd (Seagate GoFlex for MAC 1,5TB) which i want to connect using FIRE WIRE 800, but now I notice that the fire wire port on the mini has a different dimension (much smaller) Can i use it (do i need an adapter? and will this small port power the disk?)
I checked the disk on my 2011 Mac book pro (which has the right size of port) and it works like a charm!
can anybody advise me on this!! thx, as i already opened the disk i cannot return it anymore so i really need a solution on how to use it.
thx
peter

Hi,
can you indicate which adapter to use, and second of all does it power the disc?
thx
Peter

Fire wire problems

hi,
when i have a video camera connected through one of my fire wire ports, any external fire wire harddrives (even800) would not be recognized or mounted!!?? even when the camera is not even turned on!!
what is going on here? what can i do??
cheers

thanx malcom for your reply,
i just made a new test.
i started the computer with no fire wire connected, then i plugged the camera in first and then my harddrives. funny enough it seems to work fine!!?? the HD does mount and i can use the camera for FCP!
not sure though if i get a 100% performance from the HD!??

Problem with fire wire

I am trying to use another Mac as an external hard drive.
My Mac is not turning on (it gets stuck at the grey screen) and wish to back up all my files to another Mac before I take my laptop into the apple store. I have bought a fire wire cable to connect to another Mac.
My Mac is displaying the fire wire symbol but my hard drive does not appear on the host Mac.
Any suggestions?

I am trying to use another Mac as an external hard drive.
My Mac is not turning on (it gets stuck at the grey screen) and wish to back up all my files to another Mac before I take my laptop into the apple store. I have bought a fire wire cable to connect to another Mac.
My Mac is displaying the fire wire symbol but my hard drive does not appear on the host Mac.
Any suggestions?

Fire wire boot problem

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