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Mac Pro Only Boots in Safe Mode - GeForce 7300 issue?

I'm having major issues with my MacPro. Last week I was working when the screen froze. I had to force restart with the power button. Since then it has only booted in Safe Mode.

I've tried booting from MacOS 10.6.3 CD and latest Diskwarrior CD and it get part way through startup then hangs on blank screens. Oddly the cursor works okay at that point.

I suspect the problem might be a bad NVIDIA GeForce 7300 GT card. I've seen that issue in a couple other posts

http://discussions.apple.com/thread.jspa?threadID=1541589
http://discussions.apple.com/thread.jspa?messageID=13011155&#13011155
http://discussions.apple.com/thread.jspa?messageID=13031408&#13031408

Any help greatly appreciated!

MacPro1,1 Dual-Core Intel Xeon 2.66 GHz, Mac OS X (10.5.8), 3 GB 667MHz DDR2 FB-DIMM, NVIDIA GeForce 7300 GT, Cinema HD

Posted on Mar 30, 2011 10:19 PM

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Posted on Mar 31, 2011 6:25 AM

Why are you using CD and DVD when you could easily and should have another emergency boot drive plus some clone backups of your system, so you can run your Disk Warrior (4.3) and other programs off a 'live' hard drive and other programs.

If you suspect the 7300, maybe it is time to replace that too.
102 replies

Mar 19, 2013 9:06 AM in response to The hatter

Sorry Hatter, I am a bit confused by your response. I am in the wrong thread? I think I had asked that before and asked wether I should move somewhere else. I ended up here googling "my maxc only starts in safe mode, came accross this thread and it turns out after a lot of back and forth, that the problem was with the Geforce 7300./ That's the thread I am in, no?

To explain:

The instructions that came with the new card told me that I could add the card anywhere BUT slot 4. I didn't pick slot one because when I removed the old card the little plastic attachment on the computer, that seemd to hold the old one in place broke off.

The card is recogized and the computer works. If it's a matter of having the card run at a better speed, I will certainly try to use slot one, but if it's no difference and I can't alloocate more speed anyways, I would prefer not to open the darn computer again and mess anything up. If I can change the speed, please let me know.

If you have one more advice, I would love to get it.

Mar 19, 2013 9:13 AM in response to Matty2deep

There is no "wrong thread" but only if you start a thread, can you also award points or make replies as "Helpful" or "Solved"


The OP for this thread: Shannon Mcglathery


The details. The plastic clip is 'extra' and not essential to "holding in place"


And while anywhere but top (double wide won't fit physically) the #1 slot IS where primary graphic cards go.


No you cannot get full bandwidth but you can if you CANNOT get the card to function in #1 then assign 8x to another (that is usually #4 slot though).


You aren't messing. It is one of the best designed with ease of access. Unplug and head in there, even if you need a flashlight as I often do.

Jan 23, 2014 5:57 PM in response to AppleHarvest

The Mac will try to boot from the device specified in:


System Preferences > Startup Disk


Option-Boot allows you to boot from a different boot Volume temporarily, but it makes no semi-permanent change.


Shift-Boot does not change what device to boot from, but invokes Safe mode, which loads minimal extensions after running a Disk Utility (Repair Disk).

Jan 23, 2014 8:00 PM in response to Grant Bennet-Alder

Thanks, Grant. At this point, I'm in the midst of an upgrade to Mavericks; thought I'd get all this housekeeping out of the way before I actually put the Mac to work.


I'll be interested to see if this next OS upgrade solves the problem, or if it may be the aforementioned hardware issue - e.g. replacing Geforce 7300 that does the trick.


I have noted "Disk Utility (Repair Disk)" as another strategy.


Thank you again,


David

Mar 25, 2014 11:44 PM in response to Shannon Mcglathery

Sorry to bring this back out of the blue but I am having many of the same problems as others here on my 2010 Mac Pro. I've read most people here having problems with there 7300 card, however, i am running a 4870 radeon 512mb. Computer starts up fine in safe mode but when i start up in regular mode the system freezes (cannot even move cursor.) Does this still seem to be something that will be remedied by a new graphics card? Thanks in advance for any help!

Mar 26, 2014 9:35 AM in response to Dan Hasegawa

Here is the detailed story:


Safe Mode deliberately loads only the absolutely essential Apple-only extensions.


Some of those NOT loaded are the ones for running the display card in "automatic" mode, so the display card in Safe mode continues to use the built-in primitive driver.


If your system is heavily modified with "anti-Virus", Finder extenders, haxies, and numerous other add-ons, these are also not loaded -- so the Safe mode test will not be definitive in that case.

Mar 26, 2014 9:48 AM in response to Dan Hasegawa

Even a PC-only 5770, if working, should show screens starting with the login screen (or desktop if you auto-login).


If you are confident your File system is good (and preferably have good backups as well) a Re-Install (in place, without erase) of Mac OS X is designed to replace only those Mac OS X and standard Applications with those from the Installer.


It is not intended to remove added Third-party Appications or any of your files. (But if you have a Disk Error while re-installing, you could lose all your stuff, so backups are vastly preferable.)

Mac Pro Only Boots in Safe Mode - GeForce 7300 issue?

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