Drivers have communication with hardware, software and operating system. Hardware such as printer requires special command whereas software sends more generic instruction. When you send the command of print on MS word driver translate into that command which printer understands. The drivers need to be updated for system to remain stable and operate smoothly. 50 per cent of the time problem of computers is caused by the drivers. Updated drivers increase the equipment performance and bring new features. Lite -ON DVDRW SHOW-1633S driver update enhances the compatibility with apple’s iTunes software and Ricoh’s 4X DVD+RW discs. Update from above URL now.