Mac Pro doesn't boot from any media

Hi,
We have a Dual Xeon Mac Pro that has been running fine since 2007 the person that uses it reported that it started making loud banging noises (how loud I do not know as thats quite subjective although it was loud enough to warrant other people in the office going to see what the noise was) and then the desktop crashed and now when it boots we get the folder with a flashing question mark.
I've put it down to disk failure but due to them having a Mac Pro (intel) and a Dual G5 PowerMac I think at some point in time they binned off one set of disks believing that one set would work for both machines resulting in none of the disks they have will boot the machine.
Oddly I haven't been able to boot it from any other media though, I downloaded the live version of Ubuntu for Netbooks to try to get it to boot from that but it wouldn't boot from that either and when I put it in selective startup mode it detects the CD in the drive as Windows.
So here I am with a Mac Pro an old G4 Mirror Doors era Apple Keyboard, no media that will boot the thing for diagnostics and wondering what my next move is. Back in the day when I admin'd a network of Mac's it'd be selective boot from a firewire drive try a repair do some cloning if required slap a new disk in reimage and off we go.
I haven't actively worked on a day to day basis on Apple kit for about 4 years though so I'm a bit rusty and have no experience with the Intel Architecture Macs other than my Mum and Dads iMac and MacBook and I'm pretty sure the media that came with them wont boot the Mac Pro, different media sets never used to work across ranges, not sure how true that is now though.
Any help with this much appreciated. Stats below
Sean

I had a quote from the local Apple Service Centre and Media for this machine was £70.
Luckily we found the Media for the Mac Pro inside a box for some other software.
I have since been able to retrieve the data by inserting the disk into a SATA equipped G5 and using disk utility on that machine to repair the volume and disk.
I've retrieved the data and the disk, volume and permissions structures all check out.
However the Intel Mac Pro will not boot from the now repaired drive, or from the original DVD shipped with the computer.
So off to the Apple Service Centre it goes for hardware diagnosis. I expect this to be expensive
Cheers
Sean

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2006 4x2.66 Mac Pro won't boot from any media

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https://github.com/upekkha/AppleHardwareTest
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Reset the SMC (twice). No effect.
Unplugged the monitor. Graphics card fan wasn't loud, but the computer still wouldn't boot.
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hi.
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This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac.
These steps are to be taken while booted in safe mode.
Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects.
The commands may line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then either copy or drag it. The headings “Step 1” and so on are not part of the commands.
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128gb ssd on macbook pro can't boot from any win dvd

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That just makes things a whole lot worse.
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If by chance this system is still under warranty, do not walk, do not pass go, do not collect $200, RUN to the nearest AASP or Apple store to make it THEIR problem to sort out.

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A HT does not find a lot of errors.
It doesn't look for bad sectors or directory or file problems.
Clone your SSD now that you have a clean OS and has the Apple updates on it. Before you make changes.
Install TRIM Enabler 2.2+ on it and any boot volume, to enable TRIM and so that Disk Utility's Repair Disk will trim cells. Mountain Lion Recovery won't which is a shame, so...
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A co-worker tried to boot via the t-funtion which obviously doesn't work when the open firmware password is active. He forget to contact me so he tried to get it to work using some startup shortcuts. The folowing he had done:
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* starting up while holding shift and let the Mac on for a night
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Message was edited by: StefSOFT
Message was edited by: StefSOFT

With intel Mac they changed to EFI firmware so a lot has changed. From reading this I think if you can get to install disk utilities then why not uncheck +Require password to change Open Firmware settings+ on Firmware Password Utility and that should free up the troubleshooting steps you list above that are blocked. Reinstall of OSX seems logical to attempt. Sadly without further testing could be hardware issue too, need to contact apple authorized service provider in this eventuality. One thing to bear in mind was whether your co-worker altered the firmware in any way, this might invalidate Apple One-Year Limited Warranty, AppleCare Protection Plan, or other AppleCare agreement.

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Linc:
I am also sure it is a hardware fault. I have tried to run the Apple Hardware Test from the orginal system disc: I opened the optical drive tray with a paper clip, inserted the disc and powered up the machine. However the machine only spinned up the disc, turned the display to standby, spinned up and standby, etc.
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or
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At first I was just going to say it sounds like you have a bad optical drive, but then you had to go and say that it also won't boot from a HDD.
That just makes things a whole lot worse.
Start by removing the side cover and checking the RAM to see if any of the LEDs are lit up indicating bad RAM. Usually if there's any bad RAM found, it will just automatically disable that stick, but maybe yours isn't for some reason.
Look for any other LEDs that may be lit. Generally speaking, the only time you should see an LED (outside of the power LED) lit consistently is if there's a problem.
You should also see if you can get Apple Hardware Test to run, which may or may not find some problem.
But sorry to say, it's sounding very suspiciously like a bad logic board.
One other thing to try, is putting the SL drive into a different slot. So if you were putting it in slot 2, try slot 3 or 4. If you just have a bad SATA port, you might be able to just work around that until you get a new system.
If by chance this system is still under warranty, do not walk, do not pass go, do not collect $200, RUN to the nearest AASP or Apple store to make it THEIR problem to sort out.

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When I removed it, it was to install mavericks into it, via usb, with the other macbook, through disk utility, but disk utility was unable to read it then.
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My Macbook Pro won´t boot from any source/device

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Pelu,
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Hi,
I have a late 2011 Macbook Pro - standard issue other than more memory as I recall. It has a 750MB hard drive with more than half still free. All the checks given below are done with the computer stand-alone with no hardware attached - other than the power cord and of course WiFi.
2 weeks ago I upgraded to Yosemite having taken all the right precautions before upgrade - thanks to Take Control. It worked fine and I was getting a good experience until last Wednesday when I put it to sleep by closing the lid. Later in the day I opened it up again but only got a grey screen. After leaving it several minutes to see if it cleared I shut down by holding the on button for several seconds then tried to re-boot. The computer starts and gets as far as the grey screen then shuts down again after several minutes. Sometimes it will continue to restart after shut down and keeps doing this until I again hold the on button in until it finally shuts down for good.
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I can get to the boot up selection screen (hold option key) and select an external drive to boot from but it makes no difference - I still get the same grey screen. Same thing if I use Command +R to boot from the Mac HD recovery partition.
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I can hold Command +V to remove the grey screen and see the action being written to the screen while logging on (white text on a blue screen) - up to a point. After some time I just get the same grey screen and it shuts down after more time. I can also use Option +D (I'm told it should be just hold the 'D' key to do this but that has never worked for me and Option +D does) to get to the hardware check and I have run this both before upgrading and after having the problem. Before upgrading I got one error - 4ETC/1/40000002. I looked this up on the Internet and could find nothing specific to identify the problem and the general consensus seemed to be it was nothing major. After upgrading and running the hardware check again (after this problem occurred) it returned no errors.
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I've done pretty much everything I can think of and find in books and on the Internet. Hoping that someone out there will find this problem interesting and help me to resolve it.
Tony

Problem resolved. I took the machine into an authorized repair facility where, for around $30, I had it checked and the logic board replaced. Picked it up yesterday and seems to be working OK. No cost to replace the logic board even though the machine is over 3 years old. There seems to be some sort of dispute with Apple over a class action that has worked in my favour. Great. I'm happy.
Tony

Mac Pro doesn't boot OS X anymore.

I'm running a Mac Pro 2.66Ghz system with Bootcamp.
After using Windows XP Pro for a while i went back to use OS X, but on clicking on my Macintosh HD i get nothing but a error screen telling me to restart... Done that about 20 times now and still the same message.
Windows is still working fine.
Is there anyway to save OS X?
HELP!!!!
CHEERS
MIKE

I assume you are booted into Windows. In the Control Panels open the Startup Disk control panel. Select the OS X volume and click on the Restart button. This will return you to permanent OS X startup. For temporary switch restart the computer and after the chime press and hold down the OPTION key until the boot manager appears. Select your OS X volume icon and then click on the down arrow button.

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