external microphone problem

[corotte]

hello,

i have a thinkpad 600e 2645-4bu. My internal mic is ok but when i plug an external mic, nothing happend. I test 3 different mic, no change. I look at the plug and all is ok. The sound is at the max , the line is open, nothing.

help me please!!

( i'm french, sorry for the grammar)

[whizkid]

You need either 1) an amplified microphone, or 2) a microphone amplifier.