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Old 06-12-2007, 07:35 AM   #1 (permalink)
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Default Generic USB charger

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I've got a 7100g, and a generic (Powertech) wall outlet USB power supply. When I plug my BB in, it shows the charging symbol for about 2 seconds and then goes away. The power supply works properly - it charges other USB-style device.

My blackberry USB charger chrages the BB properly, so I'm assuming it's not a problem with the BB, but then given that the generic USB power supply also works, I'm out of hardware to eliminate. Is there a software problem, or has anyone else seen this?

I have trawled around the forums and FAQ and can't find anything similar.

I'd use the blackberry charger, but unfortunately mine is one of the ones that has the lead, so I can't use it for general-purpose USB charging. I'm travelling a lot and would prefer to only carry one charger.

Any help would be much appreciated.

Thanks

Chris
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Old 06-18-2007, 04:57 PM   #2 (permalink)
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Why don't you just use your (assumed) laptop with a mini-USB to USB cable?
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Old 06-19-2007, 01:32 PM   #3 (permalink)
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I don't think it's a fault - recent Blackberries will only charge when something that they recognise as a genuine BB charger is plugged it. I've assumed that they put something on the data lines of the USB connection that tells the BB to charge (but don't quote me on that - this is pure guesswork on my part!). The USB chargers that standard on Blackberries in the UK come with Euro and US plugs on them, so one of those sounds like it would do. The part number is ASY-07559-001, if that helps.

In a similar way, if you plug a BB into a random PC that's never had BB drivers loaded (e.g. one not running Windows) it won't charge either.
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Old 06-19-2007, 06:40 PM   #4 (permalink)
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Ugg, you have a good point. Some chargers are intelligent and can negotiate with the AC power brick.

But Chris is using a 7100x which is not a recent device. My 7100t charges fine off a PC that knows nothing about the device. Chris, can you give that a whirl?
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Old 06-20-2007, 07:26 PM   #5 (permalink)
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Hi all,

Thanks for the replies - much appreciated.

I've attempted charging my 7100g from a PC without the drivers. No go unfortunately. Ugg, I tend to agree with you as well - the only explaination I can come up with is that the BB can negotiate with the charger, or there's some subtle hardware difference.

I'm thinking I will have to buy a BB USB wall charger - one of the ones with a USB port rather than the mini-USB plug. Basically, I'm going to be charging a BB, an MP3 player and AA batteries from the same USB outlet while I'm travelling (not at the same time, obviously).

Chris
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Old 06-20-2007, 09:36 PM   #6 (permalink)
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Quote:
Originally Posted by chrismbird View Post
Hi all,

Thanks for the replies - much appreciated.

I've attempted charging my 7100g from a PC without the drivers. No go unfortunately. Ugg, I tend to agree with you as well - the only explaination I can come up with is that the BB can negotiate with the charger, or there's some subtle hardware difference.

I'm thinking I will have to buy a BB USB wall charger - one of the ones with a USB port rather than the mini-USB plug. Basically, I'm going to be charging a BB, an MP3 player and AA batteries from the same USB outlet while I'm travelling (not at the same time, obviously).

Chris
If you are going to use a PC to charge the BB you need to install the BlackBerry Desktop Software. With the proper driver install the PC will not put out enough current to charge the BB.
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Old 06-20-2007, 09:45 PM   #7 (permalink)
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Quote:
Originally Posted by x14 View Post
If you are going to use a PC to charge the BB you need to install the BlackBerry Desktop Software. With the proper driver install the PC will not put out enough current to charge the BB.
Thanks x14,

The issue at hand is actually whether it is possible to use a generic USB wall charger to charge a BB, in the absence of a PC. It seems that it may be an issue related to the driver install requirement, as you mention.

Any ideas?

Chris
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Old 06-20-2007, 10:12 PM   #8 (permalink)
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Quote:
Originally Posted by chrismbird View Post
Thanks x14,

The issue at hand is actually whether it is possible to use a generic USB wall charger to charge a BB, in the absence of a PC. It seems that it may be an issue related to the driver install requirement, as you mention.

Any ideas?

Chris
Generally speaking yes. I've used my Apple iPod wall charger to change my BlackBerry 7290 and 8700 as well anything that uses a USB cable for charging.
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Old 06-21-2007, 03:23 PM   #9 (permalink)
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Default Using USB cable from another device with BB 8700g

I WAS going to ask this question in a new topic but found this similar one so I figured I'd piggy-back if that's ok with you guys.

I have a new, week old, 8700g that came equipped with standard accessories out of the box (including the thick USB cable). I also happen to have a VZ Wireless XV6700 Pocket PC device that has a closely identical (but thinner) mini-USB to USB cable that can be used for data and recharging.

Since I'd like to leave one cable plugged in the pc at home AND a pc at work (same laptop, just using a dock), without having to buy another cable, do you think (from what you know) that the mini-USB/USB cable from the VZ Wireless XV6700 should be ok? I will be honest ...I have used it to charge and sync my 8700g without issues, but only tried a few times...I don't know what the long term implications are, if any. I don't know if these cables are made to regulate the actual current transferred to charge the device, especially a device OTHER than the one it came with.

If anyone knows anything of this or has prior experience of this nature, I'd appreciate hearing from you.

Thanks in advance.

Manpreet
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Old 06-21-2007, 03:27 PM   #10 (permalink)
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Quote:
Originally Posted by manpreet View Post
I WAS going to ask this question in a new topic but found this similar one so I figured I'd piggy-back if that's ok with you guys.

I have a new, week old, 8700g that came equipped with standard accessories out of the box (including the thick USB cable). I also happen to have a VZ Wireless XV6700 Pocket PC device that has a closely identical (but thinner) mini-USB to USB cable that can be used for data and recharging.

Since I'd like to leave one cable plugged in the pc at home AND a pc at work (same laptop, just using a dock), without having to buy another cable, do you think (from what you know) that the mini-USB/USB cable from the VZ Wireless XV6700 should be ok? I will be honest ...I have used it to charge and sync my 8700g without issues, but only tried a few times...I don't know what the long term implications are, if any. I don't know if these cables are made to regulate the actual current transferred to charge the device, especially a device OTHER than the one it came with.

If anyone knows anything of this or has prior experience of this nature, I'd appreciate hearing from you.

Thanks in advance.

Manpreet
Oops, sorry...I'm gonna get slapped! I just realized this was a 7100 series discussion. I was searching "USB" when I found this post and forgot it was in the 7100 section...sorry guys, I'll move it out to the 8700 section. Thanks for understanding.
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