Please examine the item carefully and bid if you are satisfied. Power supply is not an issue. The CD-ROM drive opens. We are not professionals, so we are selling this as junk. Please make sure you are satisfied with the item before bidding. We are not photography experts, so please look at all the photos carefully before considering a purchase. We cannot answer questions about when the item was purchased or how long it was used. We cannot answer technical questions because we do not have knowledge of the product. Please make your decision based on the product images. We are selling the item assuming you have checked all the images. Feel free to bid. Our products are very satisfying and useful.