my vajo sve1511 usb 2.0 ports do not work with my bootable pendrive

Aug 23, 2018
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om my vajo sve1511 i have 1 usb 3.0 working and 3 usb 2.0 not working and this is without os, just when i start it. it does not see the installation pendrive, the 3.0 yes
i am almost sure it is an hardware issue...can I do something?