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        Q: How does a powered USB hub work?
A: Hi Tim ,   Try upgrading the chipset drivers and the BIOS . You may download and installing the latest version from the connection below :   http : //dell.to/N6u34S   Note : While upgrading the BIOS , battery ought to be & gt ; 10 percent charged and AC adaptor ought to be connected . Please disconnect any external peripherals linked to the system .   On the connection , enter the system Service Tag , and then clicking on ‘ Continue ’ . Select the operation system and it will display a list of accessible download .   You may also try uninstall annd re-install the USB Root Hubs . The step are :   1 . Click on Start .  2 . Type Device Manager in the searching box .  3 . Click on ‘ Device Manager ’ in the searching results . The device manager will open .  4 . Right clicking on & gt ; sign next to ‘ USB Universal Bus Controllers ’ to widen the category .  5 . Right clicking on each USB Root Hub enumerated under USB Universal Bus Controllers , and then clicking on ‘ Uninstall ’ .  six . Click on ‘ Yes ’ on the safety warning .  7 . Once all the USB Root hubs have been unto install shutting down the Device Manager and resume the system .   Hope this assistances .   Regards ,  GauravS 

Q: Why won't my USB 4 port hub work?
A: They should work , from what I 've seen all the hubs that are able connect to either one will acts as a go-between for either one .  Of course , relying on the speeding of the firewire port it is connected to they are able work quite much usually or somewhat slower .  ( firewire ports are different speeding from 100 to 800Mbit/s and USB varies from 1.5 to 480Mbit/s ) 

Q: What is a good USB 2.0 hub for a mac?
A: You should verify out Plugable Brand USB 2.0 10 Port Hub . It 's awesome . It is feasible to linked to 10 things at once all 10 will still work flawlessly . It 's astonishing . You can get detailed information and read reviewed from proprietor following address/amzn.to/JFHXnu .   Hope that helps .