![]() In the USB Root Hub Properties dialog box, click the Power Management tab.Right-click USB Root Hub, and then click Properties.In the Device Manager dialog box, expand Universal Serial Bus controllers.If you are prompted for an administrator password or confirmation, type your password or click Continue.Click Device Manager in the Programs list.Click Start, and type Device Manager in the Start Search box. ![]() Repeat steps b through f for each USB Root Hub listed in the Device Manager.Click the Power Management tab, and then clear the Allow the computer to turn off this device to save power check box.Right-click the USB Root Hub and select Properties.Expand Universal Serial Bus controllers.The device will appear in one of two locations:Įxpand BlackBerry and confirm BlackBerry Smartphone is presentĮxpand Universal Serial Bus controllers and confirm BlackBerry Device is listed.If you are prompted for an administrator password or confirmation, type the password or provide confirmation.Note: You must be logged on as an administrator to perform these steps. Click the Hardware tab, then click Device Manager.On the Desktop, right-click My Computer and select Properties.To determine if a USB connected BlackBerry smartphone is detected by a Windows computer perform the following: If a Windows system successfully detects a USB connected device it will appears in Windows Device Manager.The two pins on the outside (pins 1 and 4) are the ones actually being used which simply supply the 5 volts of power coming from the USB port on your computer. When plugging a charge-only USB cable into a computer it doesn’t recognize the device because there is nothing making contact to the data pins, which are the two middle grooves that make up the four if look inside a Type A socket. USB charge-only cables are not different than traditional USB cables in terms of looks, they both looks same. Some USB cables only allow for the smartphone to charge and will not allow for data transfer, which causes the computer to not detect the smartphone when it is connected. If after using another USB port the BlackBerry smartphone or BlackBerry PlayBook is still not detected by the Mac or Windows computer then the USB cable may be either defective or incorrect. ![]()
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