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USB pen drive recovery ,help Needed

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hddbug

Post subject: USB pen drive recovery ,help Needed

Posted: April 11th, 2008, 1:00

Joined: August 6th, 2007, 13:12
Posts: 181
Location: India

Hi Gurus

I have a 256MB Transcend Pen drive for data recovery. It gets detected as new hardware But as unknown usb device. Is data Recovery possible? I have cleaned it with Isp Propyle alcohole but no use.
Thanks
Hddbug

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jono-ats

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 11th, 2008, 9:34

Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA

The most common problem with USB pen drives is bad / broken solder joints. Open it up and resolder the pins from the USB connector.

If that doesn't work, find an identical device and transplant the memory chip from the bad device to the good donor.

Jon

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http://www.datasaversllc.com

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BlackST

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 11th, 2008, 10:37

Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY

Don't forget checking the crystal for proper osc. / frequency and the solder of chip / controller, also if present the regulator !

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pcimage

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 11th, 2008, 11:41

Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK

Remove the chip and read with suitable nand reader and s/w.

Then remove mix and sort data blocks into order and create disk image.

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

New!! HDD-PCB.COM for all your PCB and donor HDD requirements!

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hddbug

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 12th, 2008, 2:55

Joined: August 6th, 2007, 13:12
Posts: 181
Location: India

Hi Thanks Jon , BlacKST & pcimage
I will resolder solder joints.Hope it will work.At this stage i dont have chip reader & any software to decode raw data but i am learning.
Thanks & Regards
Hddbug

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coolmac

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 13th, 2008, 18:15

Joined: August 14th, 2007, 0:14
Posts: 35

pcimage wrote:

Remove the chip and read with suitable nand reader and s/w.

Then remove mix and sort data blocks into order and create disk image.

not understand yet,hi,pcimage would you like to explain you way in detail to us?"nand reader "?what kind of equipment did you refer to?thanks a lot. :ookay:

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shaun

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 14th, 2008, 12:08

Joined: July 8th, 2006, 6:18
Posts: 222

A programmer which is capable of reading the Flash chip (assuming it is actually a NAND flash, although it doesn't matter what technology it is). I had more success in transplanting the flash chips to identical USB sticks than reading the chips directly, as data may be stored kind of garbled in the flash. The controller within the stick knows how to deal with.

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coolmac

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 14th, 2008, 16:03

Joined: August 14th, 2007, 0:14
Posts: 35

A programmer，i see ,really appreciate your explanation.

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hddbug

Post subject: Re: USB pen drive recovery ,help Needed

Posted: April 16th, 2008, 12:19

Joined: August 6th, 2007, 13:12
Posts: 181
Location: India

Data Recovery Successful , I just desoldered a small IC & pen drive started detecting may be dry solder was the reason.
Thank you all for your help
Best Regards
Hddbug

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