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take it to a shop that installs remote starters dvd players etc... have them make sure the connections to the radio are right also try the neg cable wire make sure there is no corrosion on it
Are these CDs that you burned yourself? Older CD players won't recognize the audio file format of this kind of recording, only the established file format that typical retail CDs have used for years. In recent years, CD players have been developed to recognize more file types than just the old format; but with an older player like you have in your car, it wouldn't recognize what you were trying to play, as if you put a DVD in. It balks, and spits it out. You can burn CDs with the correct file format, you just need the appropriate software or file translator.
The laser diode is usually the first component to fail in optical disc players.
If you can, open the casing to expose the CD mechanism.
Point a cell-phone camera at the laser lens, which hides under a flat bridge.
Without a disc inserted, press play or eject / load the CD tray.
Via the camera, you should see the laser diode briefly flash as it tries to read data from where disc should be.
No flash means IR laser diode has probably burnt out.
Don't stare directly into laser beam for long periods with the ***** eye - rather use the camera as an interface.
The beam's visual color is red, but the CDS sensor of a digital camera sees the IR radiation as white on mobile's screen.
2000 bmw 528i,my cd changer also reads no cds,this seem to be a common problem with all bmw cd changer.Anyway i removed the cd changer from my car,took the outside black cover apart only to see that a white big wheel came of its place,(its the wheel that holds the cd in place from the top (bottom wheel is black attached directly to the motor,as the cd is sandwitched between the black,and white wheels) .if that wheel is out of place the cd will not turn inside the changer for the eye to read it,so your radio screen will read NO CD OR NO DISC.Very easy fix,just place the wheel in its place,and everything worked fine,it took me 20 minutes to fix. p.s : 1- you do need to make sure you have an original cd in for testing it. 2- you do not need to recode your cd changer at the dealer if you have an old bmw,dealer will need to recode cd changers for 2006 and up. Good luck.
You have the wrong blue wire powering up the amplifier. Try blue/white . The radio is trying to raise the antenna while you are on the radio and not on the cd
It's likely it's dirt on the CD lens. You can try cleaning it with a lens cleaning disc. But if the lens has been damaged it will never read the disc again, no matter how many times it is cleaned.
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