Help me. i am using windows xp sp2 my is problem once i clicked on MY COMPUTER on desktop then as

Question

i am using windows xp sp2 my is problem once i clicked on MY COMPUTER on desktop then as usual ''c'' drive d drive e drive appeared as i wanted to change the icon i went in TOOLS and folder options but some thing went wrong because of which when i double click on C D or E drive it directly opens with search option so help me toget normal condition
NEXT THING is i am using F&D DD-60 L-3 MODEL HOMETHEATRE system which is having both DTS and DOLBY decoding with LED indicators i.e RED for DTS GREEN for dolby prologic i want make glow DTS indicator means get DTS output from HTS
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