Hello,

This is my first message on this forum an I am nice to meet your community...

I had a problem with a Hitachi Deskstar HDS722516VLAT20 who clicks and does not go ready.

I found a drive with very similar PCB

Patient HDD:
Model HDS722516VLAT20
P/N 14R9247
MLC BA1254

Donor HDD:
Model HDS722516VLAT80
P/N 14R9248
MLC BA1254

Same capicity, same LBA and same CHS

Is it realistic and useful to try a hot swap between these two drives ?

No, it's not going to work.

Firstly the drive is is clicking so it almost certainly has a hardware issue (heads), secondly the patient/donor are different families, and thirdly hot-swap will not work anyway on these drives.

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PC Image Data Recovery
http://www.pcimage.co.uk

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NO.

there is no hot swap in Hitachi . as BlackST said

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Tawfeek Mokhtar
http://alsafwapc.net
Alsafwa Data Recovery Egypt

Clicking drive is almost always bad read/write heads. PCB makes no difference, and you'd need special tools to make the replacement PCB work at all. Hotswap mostly only applies to Western Digital drives, and still requires special equipment unless you're working on a really, really, really old hard drive.

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Data Medics - Hard Drive, SSD, and RAID Data Recovery Service Company