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K4y
Visitor
Posts: 1
Registered: ‎11-19-2012
My Device: Blackberry 9900
My Carrier: o2 UK

BB 9900 Dead! Not Recognized When connected to PC!

Hi Guys, 

 

Will appreciate any help that comes my way.

 

So I used my Blackberry 9900 ( Carrier : o2 UK, OPerating system: OS 7.1) to make a call and noticed it was running out of battery. I then placed it on my table only to return to find it dead. I have tried everything from connecting the phone to 4 different computers, with and without the battery, I have also used about 3 or 4 other batteries and it still wont come on or show any sign of life. 

 

The worst part is whilst researching the issue online, I noticed other people mention a light or a sign comes up but with mine there has been no light, no sign, just DEAD! I tried the App Loader method but no PC recognises the phone when connected. The phone was never dropped or wet or ever misplaced or mishandle. I have had it for just over a year and this is puzzling. Any help will be very much appreciated. Thanks

Hall of Famer II
Posts: 50,753
Registered: ‎11-28-2008
My Device: Z30/Z10/Q10 (10.3.1.2582), Playbook (2.1.0.1526)
My Carrier: TMobile USA

Re: BB 9900 Dead! Not Recognized When connected to PC!

Hi and Welcome to the Community!

Please try this sequence...note that, throughout the entire 4h15m process, your BB must remain connected to a known-good wall charger (not PC USB):

  1. With the battery inside, connect your BB to the wall charger
  2. Leave it alone for 2 hours, no matter what the LED or the display does
  3. Remove the battery
  4. Wait 15 minutes
  5. Insert the battery
  6. Wait another 2 hours, no matter what the LED or the display does

This has been known to "kick start" some BBs.




It is also possible that your battery or BB has experienced a problem...to test, this sequence is needed:

  1. Obtain a known good and already fully charged additional battery...use it in your BB and see what happens
  2. Obtain access to a known good and identical BB...use your battery in it and see what happens

The results of this will indicate if it's your BB or your battery that has the problem.

Good luck and let us know!




Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
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PIN: C0001B7B4   Display/Scan Bar Code
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Contributor
Posts: 11
Registered: ‎06-22-2012
My Device: 9380 curve
My Carrier: MTN

Re: BB 9900 Dead! Not Recognized When connected to PC!

okay im experiencing the same problem. My battery is fine. Im gona charge my phone for 2hrs with the battery inside and il keep track by telling you whats going on
Contributor
Posts: 11
Registered: ‎06-22-2012
My Device: 9380 curve
My Carrier: MTN

Re: BB 9900 Dead! Not Recognized When connected to PC!

i have completed the 2hrs, and 15 min break. Now i inserted the bat for the nxt 2 hrs
Hall of Famer II
Posts: 50,753
Registered: ‎11-28-2008
My Device: Z30/Z10/Q10 (10.3.1.2582), Playbook (2.1.0.1526)
My Carrier: TMobile USA

Re: BB 9900 Dead! Not Recognized When connected to PC!

I'm glad you are following this...but...


ethan47 wrote:
My battery is fine.

How, exactly, do you know that to be the case? The 2nd half of my post above provides a method to properly test and determine quite well the condition of the battery as well as the device. I would be interested to know the means you used to make the determination you have stated.

 

Thanks!




Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
BSCF General Channel
PIN: C0001B7B4   Display/Scan Bar Code
Knowledge Base Updates
PIN: C0005A9AA   Display/Scan Bar Code
Contributor
Posts: 11
Registered: ‎06-22-2012
My Device: 9380 curve
My Carrier: MTN

Re: BB 9900 Dead! Not Recognized When connected to PC!

my battery i tested in another phone. it worked 100% i tried the charging soultuion and still no solution i think its my phone. what is the solution now ?

Hall of Famer II
Posts: 50,753
Registered: ‎11-28-2008
My Device: Z30/Z10/Q10 (10.3.1.2582), Playbook (2.1.0.1526)
My Carrier: TMobile USA

Re: BB 9900 Dead! Not Recognized When connected to PC!

OK, so that's 50% of the 2nd half of my earlier post. Care to reveal the remaining information?



Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
BSCF General Channel
PIN: C0001B7B4   Display/Scan Bar Code
Knowledge Base Updates
PIN: C0005A9AA   Display/Scan Bar Code
Contributor
Posts: 11
Registered: ‎06-22-2012
My Device: 9380 curve
My Carrier: MTN

Re: BB 9900 Dead! Not Recognized When connected to PC!

please be more specific as to what information you require

Hall of Famer II
Posts: 50,753
Registered: ‎11-28-2008
My Device: Z30/Z10/Q10 (10.3.1.2582), Playbook (2.1.0.1526)
My Carrier: TMobile USA

Re: BB 9900 Dead! Not Recognized When connected to PC!

Earlier I said:


sdgardne wrote:


It is also possible that your battery or BB has experienced a problem...to test, this sequence is needed:

  1. Obtain a known good and already fully charged additional battery...use it in your BB and see what happens
  2. Obtain access to a known good and identical BB...use your battery in it and see what happens

The results of this will indicate if it's your BB or your battery that has the problem.

Good luck and let us know!


From what you have reported back, you have done item 2, but not item 1.




Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
Join our BBM Channels
BSCF General Channel
PIN: C0001B7B4   Display/Scan Bar Code
Knowledge Base Updates
PIN: C0005A9AA   Display/Scan Bar Code
Contributor
Posts: 11
Registered: ‎06-22-2012
My Device: 9380 curve
My Carrier: MTN

Re: BB 9900 Dead! Not Recognized When connected to PC!

its the battery.