Just acquired an Inspiron 580 desktop with only 6 usb connectors--4 in back, 2 in front. I've already used all those in back--keyboard, mouse, speakers, and external hard drive. I need at least two more on back for printer and scanner. I purchased a usb hub without power adapter--usb powered. I may have bought the wrong kind--the keyboard and mouse did not work when connected to the hub. Please advise as to how to add more usb connectors. If adding a hub, what kind? Thank you in advance for any expertise you can share.
The keyboard and mouse must be connected directly to the USB ports on the rear and NOT through a USB hub. Second, ONLY use "Powered" USB hubs (ones that have their own power supply) so you have enough power for whatever devices are connected. In many cases using the PC's USB power is not enough for hub connected devices.
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Dell Inspiron 15 - 5577 Laptop
Home Built Desktop PC with ASUS ROG Z170, i7 6700K CPU
Windows 10 64 bit Pro and Windows 10 Insider Program Beta Versions. SSD drives. Cakewalk by BandLab and Studio One 4.1 Recordng Studio Software.