I have a Seagate 500GB hard drive and 1 TB. In the Bios is known as zero bytes. And ask F1 for more continue... What is happed like this? are any tools/software for fix ...? Please help ... Thank you.
Leo.South Jakarta-Indonesia

if your drive model/sn are detected, i guess you should search for 0 lba in google and here also

quick tips:
Isolation Method & terminal seagate commands

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Kuwait Data Recovery - UNIX GTC
The only reason for time is so that everything doesn't happen at once. By: Albert Einstein

This is a widly spread know fix on there and you can search this forum and the net to find the solution for this one try the Seagate forum you can find your solution there too

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Iorana Haraharaini

Check with Seagate to see if you are entitled to free data recovery (for 7200.11 drives).

Alternatively, see the following thread for an easy DIY fix:
http://forums.seagate.com/stx/board/mes ... 467#M18467

See the following bulletin for an explanation of the BSY bug.

Urgent Field Update. Topic: Drive Hang after Power Cycle:
http://www.expreview.com/img/topic/seag ... Update.pdf

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A backup a day keeps DR away.