Donald DeWitt writes (clipped)

<<< Also in the Device Manager there are a few yellow question marks.>>>

Hi,

I assume these are under "universal serial bus controllers"

if i am correct 

(1) click once on any one, to highlight/ click "action"/click "properties"

here in the "general" tab you should get info on the device status(working/problem)

(2) now click "driver" tab/then "view" if any drivers are loaded. if so(unlikely) note this down 

(3) click "update driver". now show the path to the correct drivers in your

"system utilities cd"

<<<< When I give the command to upgrade the USB drivers using the 
system Utilities CD, I receive a message that they already exist>>>

<<<Even after replacing the drivers, the USB ports are not recognized. >>>

i am sorry i am not quite clear on this.

on a side note, branded pc manufacturers have a way of loading the o/s and drivers different from poor folks like me, leading to hiccups like these during re-install.  " customising" is what they call it i think.

HTH. goodluck and merry christmas---Venkat

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