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Root charging problom on BACKside

cammykool

cammykool

Android Expert
ive been charging my V on my laptop over the last few nights because i misplaced my wall adapter. i know it charges because it gets to like 75% while im aake and i know it charges on standby because i wake up and it says (Charging: **%) but it always discharges to 30% and that is unacceptable seeing i need it to be on for a 6 1/2 hour school day... is there anything i can do for this any help is appreciated...

~Cameron
 
Just because it says it's charging when the laptop is on standby doesn't mean it is, and it sounds like it isn't. What type of laptop/OS?
 
HP Website said:
  1. Check Device Manager to see whether the device displays under the USB section or the Other Devices section. To do this, follow the procedures below:
    1. Right-click My Computer , and click Properties .
    2. Double-click the System icon, and then click the Device Manager tab.
    3. Check for the device under the Universal Serial Bus controllers or under the Other Devices section.
    4. If the device is found under Universal Serial Bus controllers or Other Devices , then remove the device from Device Manager, disconnect the USB device, restart the computer, and install the USB device software following the manufacturer's suggestions.
  2. If the USB device is missing, double-click the USB Root Hub , click the Power tab, and then click Power Properties (if it is shown). The available ports and power usage is shown. Remove the devices and use a powered HUB if the displayed power is over 500mA. To check the properties of a HUB double-click HUB and the HUB information window will open.
Click to expand...
What you are interested in is seeing if there are any below 500ma. Next you want to check any power saving features, and be sure they don't cut the power output to USB ports.
 
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