My Power Supply Blew Up Is My Board or Hard Drive Damaged?

Bought myself a Geforce 4 4200 Ti on Saturday ) , installed it, loaded the drivers etc.. and everything was perfect.
I then ran 3dMark 2002SE 5 times on a loop, I left my machine running, then it just switched off.
I tried the power button, the reset button etc.. nothing worked, I then pulled out the power cord and put it back in, I was then presented with a blue flash a bang, and lovely smell of smouldering ;( .
I rushed out to buy a new case and got the system up and running after formatting the hard drive, the system now takes much longer to load considering it was a clean Install, and gets slugish at times - so I reakon some damage has been done, but I'm not sure if its the HD or the Mobo.
Is there anyway of knowing/any software to test if the board has been damaged. I've ran all of the Maxtor tests and the hard drive passed, but the performance issue seems to be linked with the HD.
Also what would cause my p/s to blow in the 1st place, it was a 350w and less than a year old.

I remember a similar problem to this, when the 1st ATA133 boards came out I built a new machine can't remember which board, all I can remember is that the HD ran like a donkey until I installed the 4in1 IDE drivers. And thats very similar to the problem I'm having now, before I could copy+load a program+double click a directory and the system would cope, now it just chugs along, this is why I'm focusing on the HD. It would be nice to get to the bottom of it though as both are a similar price to replace should I need to.
I am currently running the new Hyperion drivers and was doing so before, with no problems, so i think they can be ruled out.
Only other thing is I've flashed my BIOS to the latest version, so I could have a config issue, anyone know the best configs to use for my 7200rpm ATA133 drive?
Also as I asked before is there any software that can test the board for damage?
Many thanks and your help is very much appreciated.

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I have a 20" 1.25GHZ G4 iMac that had a hard drive failure. It could be seen by Disk Warrior, Drive Genius but wouldn't respond to repairs. After taking it out I was able to confirm that it's bad.
I installed a new drive but that can't be seen by install discs(original and 10.5) or DW and DG. I replaced the cable to the logic board and confirmed continuity on the power wire to the drive. (And the DVD drive runs so it has power). I tried jumper settings of "cable Select" and "master". I confirmed off line that the new drive is good. New board battery. Reset PMU.
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Depending on the brand of replacement hard disk drive,
and the requirements with whichever one you have to
work in the iMac G4 configuration, the jumper pin setting
may be the issue. There could also be an issue with an
ATA controller on the logicboard; or other hardware...
Given the possibility of issues in this, some users have
opted to stay away from some brands of drives which
had presented a problem if used as replacement drives
in these computers. Some leave a lasting impression.
{One example, is WD drives. They may be fine, but I
don't prefer to use them in Macs ... from SCSI days!}
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Hola Alfredo:
En primer lugar, nadie debe estar utilizando la versión 10.4.2 del Sistema Operativo. Actualízalo a 10.4.11 a la brevedad posible. Vas muy atrasado con esa versión tan obsoleta.
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Recently my PowerBook G4 failed to boot from the internal hard drive. Gray Apple screen, spinning wheel and after a couple of minutes restart is all I get. What happened initially was the computer froze not allowing Safari to quit for restart. I had to manually shut down after all other means did not work (Force Quit, etc.). I have been able to get it to boot from an external Firewire drive running 10.4, but it will not recognize a USB drive, though the USB ports work for a printer and scanner. I was also able to get it to boot from a 10.5 Install DVD that came with my wife's MacBook. Since I bought this PowerBook used, it had no disks included, but did have 10.5 installed. The other thing is the lower RAM slot has not worked from the day I got it. When I run Disk Utility the drive checks out, though there were some Permission repairs. SMART checks verified. I seem to be able to access the internal disk when booted from the external. Reset PMU & PRAM, no difference. Should I try replacing the hard drive or do I have another issue here?

First up, PowerPC-based Macs can't boot up from a USB external drive (per se... there is a workaround and "hack"). Only Intel-based Macs can do that.
Second, since you say it works and boots up when connected to a FireWire external drive, I believe it is a hard drive issue. S.M.A.R.T. status is not ("not") always a reliable indicator from what I've heard. It may say it's verified, but really it's failing. By the same token, it may say failed, but really it's fine.
That is not always the case however. 95% of the time, S.M.A.R.T. status is highly accurate.
If you are so inclined, you can open up your PowerBook, take out the hard drive, and place a new one in there and see what happens. If it works, you're in business. And you only spent a $100 or less on a new drive (which you might end up needing anyway if your current drive is indeed broken).
(If your drive isn't broken, then you have a backup drive ).
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Up until a few weeks ago, I owned an iBook that ran like a champ. Suddenly, I got funky lines on the screen, and the cursor froze. I had no idea what it was, so I discovered after two seconds of research online that my logic board had failed. I actually didn't know that they had been recalled, so it never got fixed. With a dead computer, my wife and I decided that it'd be more economical to just buy a new MacBook than it would be to have Apple repair the logic board.
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When I plug in the now external hard drive to the USB port, the enclosure lights up, but it doesn't recognize the external drive. The hard drive does not sound like it is spinning, either.
Short of data recovery, I don't know what to do now. I have 4 gigs of pictures that I absolutely can not replace, and it will literally break me if I lose them.
I could really use some guidance and direction on this issue. Three weeks ago, I had no problem whatsoever, and now I have an iBook in pieces on my dining room table and a hard drive that no longer works. If I had just had the logic board fixed, this wouldn't be an issue now.
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Hey Rick and welcome to Apple Discussions,
I got funky lines on the screen, and the cursor froze.
Right the Graphics Processor Unit ball grid array failed and the computer froze since the GUI runs thu there. Shim repair or reball (permanent).
I read online that you could put some pressure on the left wrist rest to possibly make the logic board "work" temporarily. The second time I did this, I heard a crunch, but was still able to use the iBook. I am now under the impression that what I heard was the beginning of the end for that drive.Short of data recovery, I don't know what to do now. I have 4 gigs of pictures that I absolutely can not replace, and it will literally break me if I lose them.
Right Rhonda posted a picture of the exact placement of the GPU here:
http://discussions.apple.com/thread.jspa?threadID=1368645&tstart=0
Down on the bottom (if you can't see it try Safari, I can't see it in FireFox).
I think that putting pressure from the top is a problem since the hard drive is exactly above that chip. So maybe the bottom should come off before anyone tries this.
Of course that doesn't help you now. So the drive was spinning up but now it's not. Pull that drive out and take a very good look at it.
Look across the top - dented? mmm that's bad might not be recoverable.
OK go on.
Carefully examine the multi pin socket - look OK? No? go to removing the board.
move on
Carefully examine the circuit board underneath the drive. Good?
Bad - cracked? chipped?
It might be possible to repair it but you'll have to find the exact model of this drive. It would have to be working and you would swap the circuit boards. Post the exact model and make of the drive and I'll see if I have any examples here.
I just pulled the board off a Toshiba and it just plugs right in.
I got this off the web where guys have fixed their drives this way. They were IDE drives but I think this would work.
If you can get it to spin up use Data Rescue II.
Post back. Really good pictures would help.
Richard

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Yes.
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Depressing/holding the Option key at startup activates the Startup Manager (not open firmware). The resulting window shows all of the available startup volumes (hard drives, CD, DVD, etc).
Look at A flashing question mark appears when you start your Mac
http://docs.info.apple.com/article.html?artnum=58042
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What is Safe Boot, Safe Mode? (Mac OS X)
http://docs.info.apple.com/article.html?artnum=107392
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http://docs.info.apple.com/article.html?artnum=106214
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My Power Supply Blew Up Is My Board or Hard Drive Damaged?

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