My my new&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Logitech-G11-Gaming-Keyboard-Black-Silver/dp/B000GP844S/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Logitech G11 Gaming Keyboard (Black/Silver)</a>&nbsp;did not work when I plugged it onto my&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/D-Link-DUB-H4-High-Speed-USB-2-0-4-Port-Hub/dp/B00006B7DA/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">D-Link DUB-H4 High Speed USB 2.0 4-Port Hub</a>.  After researching a bit, I bought the CyberPower one and now the keyboard works fine.  In fact, lots of other usb things now work without being plugged directly into the computer.  I'm quite happy with it.