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Windows 7: i need help with a usb problem

27 Oct 2010   #1
dumle29

Windows 7 + windows xp
 
 
i need help with a usb problem

Hi well actualy its my friend who needs help but im helping him(without luck)

he has a usb pen that when plugged in to a computer isnt recognized

previously we cut of the end of the usb device and it worked fine. then there was a pice of pcb stiking out with an smd led on it and we decided to cut that off too. it worked fine for a month or so but now it wont be recognized

any idea?


My System SpecsSystem Spec
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27 Oct 2010   #2
fireberd

Windows 10 64 bit
 
 

Since it has been modifed twice, it would appear it has been damaged and the reason it doesn't work.
My System SpecsSystem Spec
27 Oct 2010   #3
Mosharino

Windows 7 Ultimate SP1
 
 

I wholeheartedly agree!

If you have sensitive data on there then why may ask would you risk it 'snipping bits off'?

USB memory is a dime a dozen these days too
My System SpecsSystem Spec
.

27 Oct 2010   #4
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

Quote   Quote: Originally Posted by dumle29 View Post
Hi well actualy its my friend who needs help but im helping him(without luck)

he has a usb pen that when plugged in to a computer isnt recognized

previously we cut of the end of the usb device and it worked fine. then there was a pice of pcb stiking out with an smd led on it and we decided to cut that off too. it worked fine for a month or so but now it wont be recognized

any idea?
Purchase a new drive. Their is no way to know if all your "snipping" hasn't caused some kind of defect inside of the drive on it's PCB board.
Fabe
My System SpecsSystem Spec
27 Oct 2010   #5
tw33k

Windows 7 Ultimate (x64) SP1
 
 

Quote   Quote: Originally Posted by dumle29 View Post
Hi well actualy its my friend who needs help but im helping him(without luck)

he has a usb pen that when plugged in to a computer isnt recognized

previously we cut of the end of the usb device and it worked fine. then there was a pice of pcb stiking out with an smd led on it and we decided to cut that off too. it worked fine for a month or so but now it wont be recognized

any idea?
Are you serious? unbelievable
My System SpecsSystem Spec
27 Oct 2010   #6
CarlTR6

Windows 7 Ultimate 32 bit
 
 

Quote   Quote: Originally Posted by fireberd View Post
Since it has been modifed twice, it would appear it has been damaged and the reason it doesn't work.
Quote   Quote: Originally Posted by thefabe View Post
Quote   Quote: Originally Posted by dumle29 View Post
Hi well actualy its my friend who needs help but im helping him(without luck)

he has a usb pen that when plugged in to a computer isnt recognized

previously we cut of the end of the usb device and it worked fine. then there was a pice of pcb stiking out with an smd led on it and we decided to cut that off too. it worked fine for a month or so but now it wont be recognized

any idea?
Purchase a new drive. Their is no way to know if all your "snipping" hasn't caused some kind of defect inside of the drive on it's PCB board.
Fabe
Spot on advice.
My System SpecsSystem Spec
28 Oct 2010   #7
dumle29

Windows 7 + windows xp
 
 

well since we had the hardware me and my friend had a little advantage there.

we have now fixed it ( and added a 5mm led )

some sort of metal cylinder that we think was a capactior but suspected that it might not have been had gotten loose from the pcb (no were near the snipping)

the reason why we got data caught on it was because when we snipped it we backed it up the we snippe one bit of (just a wire bridge leading nowhere) then we tested and it worked fine (wire bridge meaning a long strip of pcb doing nothing other that making it longer)then we snipped of another wire brige with a smd led on and it still worked. then a month later (he used it and got new data on that we didnt back up) it just stopped worked. so, no we were not so stupid to snip in it without backing it up (it was a 2 gb pen so we didnt really care if it broke). how ever, everything is fine and functional and we got the data. (and reduced the size of the usb pen with 2 cm in length)
My System SpecsSystem Spec
28 Oct 2010   #8
tongks

Windows 7 Pro 32 bit
 
 

once i accidently kicked on my usb - Sandisk Cruzer Contour, it folded 90 degree. After open, make straight and soldered back, still KO, luckily with the help of microscope at work and Metcal Solder Station, able to trace a tiny broken track, after resurrection, it is now back to 100% performance.

dumle29 wrote
"some sort of metal cylinder that we think was a capactior"
that should be a crystal oscillator for clocking.
My System SpecsSystem Spec
29 Oct 2010   #9
dumle29

Windows 7 + windows xp
 
 

yeah thought of a crystal thingie. he ok another of my usb pens are right now at a 45 degree angle of the usb (have had the time to undsolder it yet guess ill do it now
My System SpecsSystem Spec
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 i need help with a usb problem




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