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Perhaps the laptop port is designed for a usb 3.0 insert instead of a usb 2.0? Also try using compressed air to clean both connections. The hub male end and the laptop female end.
It may have a manufacturing defect. Have you tried it on another computer? If it works on another computer, see whether it works when connected to a different USB port on the laptop. If it does, then you may have a bad or damaged USB port on the laptop. If it works on another computer but still does not work on the laptop when connected through an alternate port, then see whether some other device will work when attached to the laptop's USB port. If neither the mouse nor the other device work when connected to a USB port, then you have a problem with the USB controller. If an alternate device does work when connected to the USB ports of the laptop, and if the mouse works when connected to another computer but does not work when connected to the laptop, then you have a software problem, and probably need to change the mouse driver in a control panel or setting in the operating system of your laptop.
If it does not work on your laptop, what error-messages do you get?
Does some other USB device work in the USB port on the laptop?
Do you have more than one USB port on your laptop?
Do any USB devices work in any USB ports on your laptop?
Try using external USB HUB (POWERED) Adapter. It might fix this issue. Use an other USB cable and see. If the problem still exist do not plug in the printer again, you may damage your USB port or even burn your laptop motherboard. hope this helped
You can't have a double hook up to it,When the parallel port is used the usb port is disabled and when you use the usb port the parallel port is disable.This is done to prevent damage to the printer.You can network the laptop with the pc and print that way though
When you connect a hard drive and any other USB device to a 4 port hub you have to use the external power supply all the time. You may have fried the power pins on the USB port you used to connect the 4 port hub. If you can get the hard drive to work separately on the USB port, the 4 port hub may no longer be passing power from the laptop.
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