Is it safe...now?

Let me summarize my situation, so bear with me plz

* My x-fi sound card started cracking up whenever i did anything that took alot of movement from the hdd
* I switched to onboard, and it did the same thing. It was just wasnt as enough
* i reformatted twice and the problem was neevr fixed.
* I switched out my seagate 40gb OEM hdd with a Maxtor 160gb retailed
* Now, i reformatted, reinstalled.
* my onboard sound is crystal clear perfect now!
* Is it safe to try my sound card?


that's basically what i'm trying to know here. My sound card worked fine in my dads comp, not mine. I'm thinking it was an HDD problem. Does that make sense? The sound crackled whenever opening a program or even playing music off my external drive. I wanna get my card back in so....is it safe?

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