2 pen drive ports are notrt is working in my laptop 1 po working instead

[rahul_07]

Hello,
i purchase my laptop 5 months earlier with windows 7 basic as operating system but 2 months earlier i upgraded my operating system to windows 7 ultimate but after upgradng it through a shop i noticed that my laptop's 2 ports are not working and only 1 port is working
so what should i do?

 

[noidea_77]

Could be a missing driver. Do you see any "!" in device manager?