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Join Date: Nov 2009
Re: Apple macbook cannot recognize external microphone
Here are the steps that you have to follow to installed the sound card again if you have removed the card already.
- Locate an expansion slot in the computer that will accept your new sound card. If you removed an existing sound card, you can use the same slot if your new card uses the same type of expansion slot. Check your computer's documentation if you need to determine the types of expansion slots it has available.
- Gently place the sound card on top of the slot. Line up the pins on the sound card with the slot and push the card down so that it sits in the slot. Be sure that the card is securely in the slot and pushed all the way in. If the pins on the card aren't perfectly aligned with the pins in the expansion slot, the card won't work properly.
- If your computer has an audio cable that connects the CD-ROM drive directly to the sound card, locate it and plug it in to the card. Consult the documentation that came with your sound card to determine the location of the CD-ROM audio connector on the card. Note that this cable is rarely necessary with current audio hardware, and in most cases plugging it in is optional.
- Screw the sound card to the frame. Don't warp the sound card or the frame while tightening the screw. It's better to tighten the screw barely more than you can tighten it with your fingers than to bend the frame or the card.
- Close the computer case and replace any screws you removed when opening the case. Plug your speakers, and microphone if applicable, into your new sound card.
- Plug your computer back into its power source and turn it back on. Windows will install the necessary device drivers for your new sound card. If your sound card came with a disc containing software, install that now. Check the information that came with your sound card to see what software installation steps are required.