Solve : problem with sound input?

1.	Solve : problem with sound input?
Answer» when i plug my guitar's preamp into the sound input of my soundcard, how come only the left SPEAKERS play any SOUNDS? any help is greatly appreciated.Do both speakers usually play sounds? TRY playing some music - does it come out of both speakers or just the left one? What setup do you have? For EXAMPLE, 2.1? 5.1?the speakers work fine when playing anything, except for when using my preamp to connect my guitar in the input for playback. i have a 5.1 setupIs it possible the cord from preamp to computer is only mono, not stereo, or the pre-amp itself may only be mono, not stero? I don't know alot about guitars and preamps I am afraid.there are no settings on the preamp for switching between stereo and mono. also, my converter for which i connect to my sound CARD input is a stereo converter.

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