Please examine the item carefully and bid if you are satisfied. The power supply is normal. The CD-ROM drive opens. I am not a professional, so I don't know if it works, so please consider it as junk. Please make sure you are satisfied with the item before bidding. I am not a professional photographer, so please view all photos carefully before considering a purchase. I cannot answer questions about when the item was purchased or how long it was used. I cannot answer technical questions because I do not have knowledge of the product. Please make your decision based on the product images. I am listing the item on the assumption that you will view all the images. Feel free to bid. Our products are very satisfactory and useful.