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 Post subject: WD WD20NMVW spin up, but not recognized
PostPosted: May 3rd, 2018, 17:16 
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Joined: October 17th, 2013, 16:30
Posts: 3
Location: Spain
Hi.
I have a WD My Passport Ultra with a WD20NMVW 2TB inside.
The hard drive spin up, and after 1 minute spin down. The USB interface is recognized for Windows, but the volume and drive don't appears.
I try change the PCB with bios chips SWAPS, but same results.
Mac detects the usb as:
Code:
            My Passport 0820:

              Product ID: 0x0820
              Vendor ID: 0x1058  (Western Digital Technologies, Inc.)
              Version: 10.07
              Serial Number: 575835314142334838373034
              Speed: Up to 480 Mb/sec
              Manufacturer: Western Digital
              Location ID: 0xfd120000 / 4
              Current Available (mA): 500
              Current Required (mA): 500
              Extra Operating Current (mA): 0

Image
This image is from internet, same PCB.

Anyone can help me? Any idea?
Thanks u


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 Post subject: Re: WD WD20NMVW spin up, but not recognized
PostPosted: May 4th, 2018, 15:26 
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Joined: December 19th, 2006, 8:49
Posts: 9417
Location: Portugal
I would say there is a BIG possibility that the drive have bad head(s)/pre-amp.

If you need the data on the drive consult with a specialized data recovery firm !

Good luck.

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 Post subject: Re: WD WD20NMVW spin up, but not recognized
PostPosted: May 9th, 2018, 13:52 
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Joined: October 17th, 2013, 16:30
Posts: 3
Location: Spain
Hi.
Thanks u for your response, i will should contact with a specialized data recovery service.

Another thing:
Windows recognized a WD Ses Device, and if i try update firmware, the tool detect the serial number, firmware version, ...
The WD Firmware updater detect a upgrade, but when try to update fail.

Regards and thanks u


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 Post subject: Re: WD WD20NMVW spin up, but not recognized
PostPosted: May 15th, 2018, 18:52 
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Joined: May 15th, 2018, 18:46
Posts: 21
Location: Toronto
Did you swap the chips yourself? Or you sent the PCB out?


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 Post subject: Re: WD WD20NMVW spin up, but not recognized
PostPosted: May 18th, 2018, 4:42 
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Joined: September 5th, 2010, 12:29
Posts: 961
Location: South Africa
As said earlier, the fact that it spins down most likely indicates the heads/preamp is bad.

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