DIFFERENT COMPUTERS USE DIFFERENT WAYS.ON STARTUP, HOLD DOWN F2 KEY WHILE STARTING UP, OR, INSTANTLY WHEN SEEING F12...F2 PROMPT PAGE HIT F2 KEY...hope this works. you could go to control panel;system, usb and see if you have yellow ??? or red x's...or with computer on, unplug an USB DEVICE AND SEE IF YOU GET AN ERROR AT LOWER RIGHT OF SCREEN;plug it back in, and computer should see it.
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DIFFERENT COMPUTERS USE DIFFERENT WAYS.ON STARTUP, HOLD DOWN F2 KEY WHILE STARTING UP, OR, INSTANTLY WHEN SEEING F12...F2 PROMPT PAGE HIT F2 KEY...hope this works.
you could go to control panel;system, usb and see if you have yellow ??? or red x's...or with computer on, unplug an USB DEVICE AND SEE IF YOU GET AN ERROR AT LOWER RIGHT OF SCREEN;plug it back in, and computer should see it.