Sony VGN-BX500 - Manual (Page 195)

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Troubleshooting
Peripherals
What should I do if I cannot connect a USB device?
❑ If applicable, check the USB device is switched on and using its own power supply. For example, if you are using a digital
camera, check the battery is charged. If you are using a printer, check the power cable is connected properly to the AC
outlet.
❑ Try using a different USB port on the computer. The driver could be installed to the specific port you used the first time
you connected the device.
❑ Check the manual provided with the USB device. You may need to install software before you connect the device.
❑ Try connecting a simple, low-powered device such as a mouse to test that the port is working at all.
❑ USB hubs may prevent a device from working because of the distribution of power. We recommend you connect the
device directly to the computer without a hub.