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Geek Culture / Hard drive doesnt spin

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Programmer Holic
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Posted: 22nd Nov 2004 02:06
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I have an old 120GB hard drive which I have been using externally in a USB box. When I went to shut my pc down yesterday the hard drive wasnt spinning. I thought it was to save power. Anyway, when I turned it on today, the disk didnt spin up. I removed it from the case and put it in another PC. It still didnt spin.

Is there any way I can get it to work, maybe by putting voltage directly onto the pins for the motor? (the pins are visivle). The drive is an IBM Deskstar IC35L120AVVA07-0

I really need to as I have data on it that I dont have backed up...
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Ilya
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Posted: 22nd Nov 2004 03:27
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Well, if you applied electric current, it would spin. Doesn't mean it would work, though.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
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DrakeX
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Posted: 22nd Nov 2004 03:45
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sure, go ahead, short out random pins

"when it's done" means "we have no idea, we forgot to do that; we were hoping you would all forget we promised <insert exotic promise here>"
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Programmer Holic
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Posted: 22nd Nov 2004 04:01
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lol is there nothing i can do then?

I sort of backed a lot of my stuff (15GB) to it, then deleted from my pc. so i've pretty much lost it then... (file recovery programs dont see it)
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Ilya
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Posted: 22nd Nov 2004 04:14
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A wire probably fell off. Anyway, check for smoked compoments. Also, find a path to the motot and find out where exactly the current dies(your PC will need to be on).

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
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Neofish
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Location: A swimming pool of coke
Posted: 22nd Nov 2004 05:09
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Quote: "(your PC will need to be on)"


While your at it pour water over the whole thing....that can be very dangerous. Basic electrical knowledge can help you wrk out where the short/thingy is...

[center]int N30F15H,a=1; do { N30F15H++; } while (a==1);
[center]
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Programmer Holic
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Posted: 22nd Nov 2004 05:22
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So does anyone know what the 4 pins on the motor are?
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JoelJ
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Posted: 22nd Nov 2004 05:55
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get a multimeter, turn it to the buzzer, put one needle thingy to one pin on the hdd plug part, and other on another pin, just switch around and see if you get a current.


Don't you wish you were that hot?
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IanG
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Posted: 22nd Nov 2004 05:57
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or take N30FISH's advise but add salt - yay fireworks

Used to be Phoenix_insane registered in september 2003 despite what the date says to the left <--
PC - amd athlon 2.0ghz, 512mb, GeForce FX 5200 128mb, 200gb, xp pro sp2
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Chris K
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Posted: 22nd Nov 2004 06:28
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Everytime I look at this title I think of "My Boomerang won't come back".

So now you know....








and I'll just be leaving.
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Ilya
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Posted: 22nd Nov 2004 07:51
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Quote: "that can be very dangerous."

12 volts isn't that dangerous.
Doubt it's many amps either.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
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Neofish
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Posted: 22nd Nov 2004 07:55
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It's a VERY small current required to kill you (across the chest). Seriously messing with electicrical circuitry that is on (static charges could be dangerous I guess) is extremely dangerous. I cannot stress that enough.

[center]int N30F15H,a=1; do { N30F15H++; } while (a==1);
[center]
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Ilya
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Posted: 22nd Nov 2004 08:10
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Wear gloves then.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
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Aoneweb
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Posted: 22nd Nov 2004 08:25
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0.1 of an amp could be fatal in the right circumstances.

Toshiba Sattelite, 2GHz,Nvidia GeForce4 420go, Windows XP Home. www.aoneweb.com
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Dave J
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Posted: 22nd Nov 2004 09:56
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If the current cuts out anywhere, it cuts out everywhere. The current remains constant over the entire circuit, if the circuit isn't connected then you're going to get 0A no matter where you connect the multimeter. Hence, turning your computer on and checking for where the current stops, isn't going to work... despite it being a disaster waiting to happen.


"Computers are useless - They can only give you answers."
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CattleRustler
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Location: case modding at overclock.net
Posted: 22nd Nov 2004 10:36
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before you go mucking around inside you pc with exposed electrical circuits and the power on, please let us know where to send the flowers.




DBP_NETLIB_v1.4.3 DarkTOPIA site coming soon!
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Lost in Thought
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Posted: 22nd Nov 2004 11:44 Edited at: 22nd Nov 2004 11:46
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It is true that a current of .1 amps can kill you and it is true that 12V can kill you. But the chances are slim indeed and the resistance of your skin is so high that there won't be hardly any current at 12V. Current = voltage / resistance. You would either have to have a high current load on the 12 and disconnact it while touching the 2 wires just right or stick the 2 wires into your blood stream near your heart to kill you. Everyone's resistance is different as well. But I would venture to say that no ones is 120 ohms or less and most are 40000 or more which will only make 0.0003 amps. The exception to this rule is if a high current load is applied to the wires and then you disconnect them. Like a car starting. If you put both hands on the battery cables and try to start the car and remove the cables you could be killed. Even though your skin has resistance to cut the current down. The high current can punch through your skin at disconnect time. An object in motion wants to stay in motion (even an electron). The higher the current the more so it wants to keep flowing. Even though there are no high current loads in a HD you will still want to be carefule as there may be capacitive circuits in there as well which can be dangerous at almost any voltage. I would recommend sending the drive off or buying a new one. You can probably look up the name brand and model of the motor and get the pinout online. The choice is yours.

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Ilya
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Posted: 22nd Nov 2004 11:49
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Or wearing thick rubber gloves on both hands.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
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indi
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Location: Earth, Brisbane, Australia
Posted: 22nd Nov 2004 13:51
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send it to a data recovery business if it had work data on it.
its tax deductable and well worth the effort.

If no-one gives your an answer to a question you have asked, consider:- Is your question clear.- Did you ask nicely.- Are you showing any effort to solve the problem yourself
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ionstream
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Posted: 22nd Nov 2004 13:54
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NO! Don't wear gloves! The key is to use electricity from your brain to give the drive a jump start.

This image is not visible to idiots.

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Programmer Holic
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Posted: 23rd Nov 2004 00:57
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lol ok ok, i wont kill myself

Anyway ive swapped it for another drive now. After seeing the cost of data recovery thats not an option
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bitJericho
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Posted: 23rd Nov 2004 01:01
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just to make sure, you know, murphy's law and all, did you make sure to plugin the 4 port power plug into the hdd?

[center]
Come write!
Yarr join LoGD, and defeat other coders!
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Programmer Holic
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Posted: 24th Nov 2004 05:01
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ah, thats what I forgot

nah, not really. It was plugged in
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