hard disc not detected in windows

July 23, 2011 at 21:32:57
Specs: Windows 7, c2d/3gb
my 500gb seagate barracuda 7200.12 hdd is not detected by win 7 now.

it working properly till last friday(15.7.2011) suddenly my system hung up when i rebooted it happened to be very slow actually it never booted fully then i tried cleaning my ram the pulling out my hdds one by one finally wen i disconnected my 500gb hdd it booted so well with the os in my 160gb hdd of the same kind.

the 500gb hdd has no os it is partitioned into 4 partitions now it happens to be a prob that all my stuff are stored inside my hdd i am not willing to format it like hard formatting or to work without it bcos its a very hard part what might be the problem now

the biggest part is when ever i boot with the 500gb connected i get the first scree with a cursor blinking for a long time then boots and stops with starting windows

i tried booting in safe mode which happened to hang up in CLASSPNP.SYS i do not know wat might the problem is just need a sollution

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July 24, 2011 at 15:43:30
It is possible that your drive is bad or at least the circuit board attached to it is bad. I have had some problems with Seagate drives in the past and I have a lower opinion of them currently. FIRST I would recommend trying a different signal and power cable (I am assuming SATA but with IDE would also try the same) and see if that helps. If not, you may be able to put the drive into an external hard drive case (USB) which will allow you to boot the system and then plug in the drive after the system is booted. If this works it may allow you to save your files to another drive, but I would be nervous about relying on that drive again. Another possibility is that the circuit board on some drives can be replaced with little more than removing 6 small torx head screws, if this is the case you may be able to give the model and serial number to Seagate and they may be willing to send you the replacement parts.

You have to be a little bit crazy to keep you from going insane.

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