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  1. #1
    Soundwave
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    USB not charging.

    Some how when i plug the usb it doesnt charge, but seem to working coz when i plug in the computer its recognizes it even transfer files but not charging, any help please?

  2. #2
    Ratchet
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    This is normal. I don't know the specs but I believe the USB doesn't put out enough power to charge it. Someone will come along with the details I'm sure but its asked a good bit.

  3. #3
    Starscream
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    It can charge the TF if the TF is off. But it will be very very slow.

  4. #4
    TRANSFORMER FORUMS LEGEND
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    Standard USB port (5VDC@0.5 Amps) charges about 3% per hour with screen off.
    iPad USB port (5VDC@2.0 Amps) charges about 10% per hour with screen off.
    ASUS Charger (15VDC@1.2 Amps) charges about 35% per hour with screen off. Will charge with screen on, just slower.


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  5. #5
    Soundwave
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    Just i dont see the charging bat and some times i do..
    I dont know when its charging or not..
    Its so frustading.

  6. #6
    Ratchet
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    The USB doesn't put out enough amps to trigger the charging symbol. I always use the provided power adapter to charge from the power outlet. If you charge via USB it will charge very slow.

  7. #7
    *Rescue Squad*
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    Quote Originally Posted by MaylonTRD View Post
    The USB doesn't put out enough amps to trigger the charging symbol. I always use the provided power adapter to charge from the power outlet. If you charge via USB it will charge very slow.
    Correct.

    An overnight USB charge might only get the unit up to 20-30% charge levels - at that point, a person can put their USB cable back in the AC Adapter and finish the charge process.

  8. #8
    Soundwave
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    Hello,

    and what if the USB cable is a USB3.0, connected to a USB 3.0 desktop PC (quick PCI board, with Molex connection to PC power-supply)?
    Would it work as if 15V?

    Thanks

  9. #9
    Helping Hero & Super Moderator
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    Only if the USB on the PC was able to supply 15V, but if it did it would likely ruin anything else that was plugged itto that port.
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