Completely dead harddrive (like a rock) WD5000AAKS-00TMA00

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Thread Starter
Jul 13, 2006
Edit: Title should be WD5000AAKS-00TMA0

Oh god, this keeps happening to me. I've had so many hardware problems recently, taking up all my time and money...

I'll tell you the entire story.
I have a fan on the front of the computer (quite small) that often makes alot of noise. So everytime it makes this sound, I press down on the casing or nudge it (or slap it), and it quitens down.
For the past 2-3 days though it's been EXTREMELY loud, and it's unstoppable.
A nudge shuts it up for a minute or 2, and then it starts up again. It's incredibly annoying...
So I decided to do something about it.
It's a small fan, it appears to only cool down my 2 harddrives and nothing else, so I thought I'd remove it.
Attached to the fan is a black wire and a red wire. I followed these wires back to the source. The 2 wires were seemingly forced into 2 of one the 4 pin harddrive cables (wires:red black black yellow, white plug).
[I should mention here that my computer was built by a specialist and purchased on eBay.]
I saw this and thought to my self "Easy!"
I pulled the 2 wires out and removed the fan from the casing.

When I started up the computer, everything seemed fine. No more noise!
Then I realised my 2nd harddrive wasn't showing up.
500GB of music, software and work. Important work....
I put my hand to the harddrive as the computer casing was still open. Nothing.

It's COMPLETELY unresponsive.
I look at the BIOs, it's not recognised.
I tried it in another computer. Nothing. No whirring, no sound.

If you think you've been unlucky with hardware recently, just look at my recent history....
In the past 2 months, I've had 2 harddrive failures (of different kinds) a PS3 has died, an Ipod Touch has died AND I had a serious virus affect my computer, eventually leading to a fix that took ages...
(and about 6 months ago, an external harddrive which I used for backing up died. Does nothing now but whir and click upon start up)

I can only imagine I burnt the harddrive's board out or something from doing something with the fan.
I had shut off the power when i removed it, but I was pretty hastey in pulling out those 2 wires, and i believe I might have heard a little buzz of electricity.

Any help will be MUCH appreciated.



I've been doing some research since, and I believe my problem may be solved if I replaced the controller board with a working one.
I think that is where the problem lies (however, i never smelt a burnt component, which most people would if the board were burnt out)

Now here lies another problem.
Here's a link to the amazon page of the harddrive I purchased a year ago.

My harddrive is western digital:

WD Caviar SE16
DATE: 07 AUG 2007
PCB: 2061 701477 900 04P

However the amazon page shows hardly any details, and i believe sells any 500GB refurbished harddrives, whatever make...

First I would like clarifcation on if I'm heading in the right direction.
If so, where can I find a controller board for my harddrive OR the exact same harddrive???

I am so desperately in need of help, anything will do... and are lousy, I hope you guys can prove yourselves more helpful :)

(Going to bed now, hope to see some replies in the morning)


Thread Starter
Jul 13, 2006
Luckily, I found the correct screw heads in my shed so i can get at the PCB!!!!


R64 - 0.3 OHMS
R67 - 527 OHMS
D3 - 0 OHMS
D4 - 563 OHMS

There's also a setting on my multimeter to test diodes, so I gave it a go on all of them :)

R64 - 0 (BEEP)
R67 - 658 (NO BEEP)
D3 - (1 BEEP)
D4 - 712 (NO BEEP)

I imagine there is a broken resistor and a broken diode in there.
I think the culprits are R64 and D4.

Instead of removing the components as I've been told to (and replacing them with wire)... Can I just solder a piece of wire from one terminal to the other, like an arch? an alternative route? instead of clipping the whole thing out???

Please tell me the answers!!!!!!!!!
What next!??????

Thank you!!!!!!!
May 12, 2007
Before you do any more, I would suggest checking th edrive. Find a different molex (power plug) for it, and try it. It is possible that pulling the cables pulled the plugs and you lost a connection. Always worth trying, can save an awful lot of trouble :)

Just re read the post, and you did say you tried this. My bad, sorry.
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