Non grounded HP Laptop have electrical feeling on usb ports

I am living here in the Philippines now and have brought my Hp laptop dv9000. Whenever I turn on the laptop with the AC I get this electrical feeling in the usb ports. When I run with the battery I feel no electricity. Since the AC can take a 100-240V input, the outlets here in the Philippines are 240V, it shouldnt have any problems. But the charger has a 3rd prong that is used as a ground, but the wall outlet only has 2.
To better understand by setup: 1. the electrical outlet has 2 prongs that lets out 240V, 2. I have and AVR (automatic voltage regulator) so I can lower the voltage for my, 3. UPS (uninterrupted power supply) that only takes in 110V. I plug in my AC charger to the UPS to power my computer.
So my question is what can I do now to stop the the electricity coming out of the usb ports? Do I need to install a grounded socket?

Have you tried restarting the laptop? Many times we get simply put the machine to sleep or hibernate- a full shutdown/restart can help with usb problems.
You might also try disabling "USB Selective suspend" in your Power Options plan.
http://www.techsupportalert.com/content/how-fix-annoying-windows-usb-problem.htm
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It is a splendid place to find answers.
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Performing an HP System Recovery (Windows 8)
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I have used all the usb ports on the back of my iMac desktop [2009] - in one I have a hub - too many?

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Non grounded HP Laptop have electrical feeling on usb ports

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