You say that you have USB ports on the back of your computer. Are the ports physically connected to the mainboard? Have you enabled USB1 and/or 2 in the BIOS (as well as your mouse)? And, of interest, OS is 98 or 98SE?
Mi Mix 3 UK Review: Xiaomi's Flagship Slides Into The UK
12 character artists you should know about in 2019
iPad mini 5 release date, price & specs rumours
Test : l’enceinte Bluetooth BW-AS2 de Blitzwolf