No audio in the left channel

I was given an old G4 and I'm not computer illiterate by any means but as a PC user I'm at a loss as to how to fix anything on a Mac. I've been using it for almost a year now and I'm not actually sure when this problem started but I get no audio out of the left channel. I've checked the audio balance in system preferences and the audio utilities and everything looks normal and in the center. Restarting doesn't do anything. I don't know how Macs work so I don't know if it's something as simple as downloading newer drivers. I'm running Mac OS X 10.4.1.1. Any help would be appreciated, thanks.

Thank you. I feel kind of foolish now. I only use headphones when I'm recording and I run into a similar, but as it turns out, different problem. I do get the left channel in my headphones so something must be wrong with my speakers (some 2.1 Logitech set I bought a long time ago).
However, when I try to record music, I don't get a left channel for the input. I've assumed until now they were related problems so I have just been recording in stereo, splitting the tracks, deleting the left, duplicating the right and making one of them a left. It's kind of a pain and now I have no idea what's causing that. I've tried running just a guitar, just a mic, both through a pedal, and both through my amp. I get the same problem every time so it's either my line-in or the 1/8"-1/8" chord I have. I don't have a spare to test the latter but I'll try that maybe tomorrow. Any idea what that problem could be if not the chord?
Machine Name: Power Mac G4
Machine Model: PowerMac3,3
CPU Type: PowerPC G4 (2.9)
Number Of CPUs: 2
CPU Speed: 450 MHz
L2 Cache (per CPU): 1 MB
Memory: 1.5 GB
Bus Speed: 100 MHz
Boot ROM Version: 4.2.8f1

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Message was edited by: Milton Allemand

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Thank you

Peter R. wrote:
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No audio in the left channel

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