my internal cd/dvd was not working(a light would flikker when a disc was placed in the tray and closed) then it would stop and nothing would happen. So I purchased a new internal cd/dvd put in the computer. It does the same as the old one it flikkers and dies.
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Check your cables. Perhaps you have a bad cable. If it's a SATA drive, try using another port as well. If it's IDE, try another IDE slot. It could be a sign that your board is dying though