It won't read, won't stay open, and won't eject. It's probably 5 years old. CDW sells it for $19.99. If blowing it out with compressed air doesn't fix it, you have to ask how much your time is worth.
http://www.cdw.com/shop/products/LiteOn-iHAS324-DVD-RW-R-DL-DVD-RAM-drive-Serial-ATA/3061968.aspx?cm_cat=GoogleBase&cm_ite=3061968&cm_pla=NA-NA-LTO_CR&cm_ven=ShoppingFeeds&ef_id=VIxkSQAAAQh-Og3r:20150413191435:s&gclid=CNqvuOX-88QCFZGDaQod9V4AlA