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Usb loose - T-Mobile MDA

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Re: Usb loose

Hello all friends, i cant connect my mda phone with computer, when i connect the usb to the pc it asks for the driver and i lost the driver, can some one tell me where should i find the driver

Posted on Feb 02, 2008

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Re: Usb loose

Follow those instructions to take it apart. You will need a #6 sized torq screwdriver.

Posted on Jan 12, 2008

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My blackberry 8310 is not recognised when i connect to my pc with usb


if your phone not connected properly means just check the connectivity settings in the settings of your mobile. if all are right means there will be some loose contact of the usb data cable.just try it in another system or kindly change the data cable of your mobile.if still any problem means just contact your service operator

thank you

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My blackberry bold wont charge no light comes on just completely dead could it be a faulty battery

Does the red light come one when you plug it into a charger? if not, and your charger works on other phones, than you probably have a broken usb port. (check if it is loose). You're gonna have to disassemble the phone and repair the USB port : Blackberry Repair Guide.

Jun 29, 2010 | RIM BlackBerry Pearl 8100

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My blackberry curve will not turn on and the red light just blinks 4 times.

Just checking that it is charged up. There is an issue with the USB connector becoming loose and effecting the ability of the unit to charge.
If it is charged up, I am not able to help. If it isn't, then I believe your USB connection is faulty. There are a number of services provided by searching for this solution on the web, I haven't used any, so I can't recommend a repair depot. You can attempt to contact RIM, but from what I understand, they are not supporting that issue.
I hope this helps.

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RIM Blackberry 8330 Mini USB Charge Port Connector

"...loose" ???

do you mean the plug doesn't fit snugly and has to be jiggled to charge ?

If so, this is a simple repair you can perform yourself if you're skilled with a soldering iron.

What has happened is the USB connector and the guide post (black plastic thing in the center with the contacts) has loosened. This is becoming a commonly published issue with newer BB's and RIM refuses to call it a defect and recall the millions of afflicted phones.

The connector is standard and can be replaced with a MiniUSB plug from almost any device including a digital camera. If you have experiences with a local electronics repair shop then have them replace the USB connector.

There are numerous services on the web who can perform this repair and often for less than $50 USD.

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1 Answer

My blackberry 8700g does not charge

Have you tried both the USB and AV charger - The AV charger has the slide AV - which may be loose. I have never had a problem with USB connection.

If neither of this is working then it is most likely a problem with he battery? I have seen the curved battery warped and also non genuine - If these are the ones you have then I suggest a new battery.

Hope this helps.

Apr 12, 2009 | RIM BlackBerry 8700g Smartphone

1 Answer

USB connection failure to Blackberry 8800

I have the same problem.  The following solution may apply; here is how to IDENTIFY the problem: (1) Phone doesn't connect to desktop software through USB but will through BT (if setup) (2) Phone doesn't charge whether USB-computer, USB-wall, USB-carcharger or does sometimes but you are not sure why it works sometimes but not all the time (3) If you hold, lean, twist, or jiggle the plug at the phone, it may charge or the charge icon may show briefly (Also) Plug is noticeably loose or comes out Solution: if plug is torn loose, damaged, or comes all the way out, go to this site and follow along in kind If plug is simply intermittant: remove all power and the battery, open your phone, and carefully redo the solder joints of the plug.  If you don't have a SMT (surface mount) rated soldering iron w/ tip, you can use the radio shack standard but be sure to only apply the hot tip in pulses (less than/up to 50% of time, less than 3sec each touch) so you don't heat damage the surrounding components. Why: Because the plug gets tugged to the sides causing the solder joints to crack (microscopically).  At first I had to lean books against the plug but then that quit working as well.
This approach also worked on my laptop which quit charging when plug torque flexed the motherboard and cracked the solder at some surface components near the plug.  I found out which components when the varying the force of my multimeter tip cause the component to show open and normal across the solder joint

Nov 20, 2008 | RIM BlackBerry 8800

2 Answers

My external microphone jack and USB's doesn't work on Toshiba Satellite

I have a Toshiba Satellite laptop and experience this problem with the mike stopping suddenly too. Your solution may not be as easy as mine was, but here goes ... Did you check the audio setup? Go to Audio Properties, and click Advanced so you can see the Microphone properties. Mine was muted and it wasn't me that muted it -- just seemed to happen suddenly and hopefully it's that easy for you!!!!

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1 Answer

Audiovox SMT 5600 will not charge

If your battery goes COMPLETELY dead, which it will do if phone is not turned OFF and not used for a long period of time, you will need to JUMP START it using you OEM SMT-5600 AC charger. Other AC chargers will not work for this purpose and neither will a USB port.

You can JUMP START the battery using a USB port by cutting off a USB cable to expost the red and black power USB PORT power pins 1 and 4. Remove your SMT-5600 battery and while the modified USB cable is plugged into your USB PORT, hold the BLACK wire to the negative (-) terminal and the RED wire to the positive (+) terminal for about a minute. Replace the battery in the phone and connect the phone to a USB PORT using a standard USB cable. The SMT-5600 charging light may not register for a while, but will eventually light amber to show it is charging, assuming your phone is recoginzed by your computer.

Note some mini USB cables DONOT carry the USB power leads through to the phone, only data. If you have a very thin USB cable, be suspicious the power leads are not being carried in the cable.

Since the USB PORT power is limited to 100ma it cannot hurt the battery, but will insert enough current into a totally flat batter to cause the battery to register a voltage large enough to alllow USB PORT charging, typically 3.7VDC.

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1 Answer

USB connection

my 740 had also problems with loosing the USB connection. I gave it to my dealer and he told me that the USB connector was defective...

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