computer appears to be stuck in diagnostic setup, and is not going out of it 
i was reading the 'how to speed up my computer' thread and it said about msconfig, which i did, i used the diagnostic startup. however when i restarted my computer it was in the old-school windows format and the theme (windows xp modified) i used before is not there. also there is no internet input, i.e. my wireless is not regerstering in the toolbar (no internet things are)
the first time i tried to set the diagnostic startup the program crashed, could this have done anything? and is there anything i can do to correct this??

i was reading the 'how to speed up my computer' thread and it said about msconfig, which i did, i used the diagnostic startup. however when i restarted my computer it was in the old-school windows format and the theme (windows xp modified) i used before is not there. also there is no internet input, i.e. my wireless is not regerstering in the toolbar (no internet things are)
the first time i tried to set the diagnostic startup the program crashed, could this have done anything? and is there anything i can do to correct this??
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