Hi BarbJay
Well the Philips CDRW/DVD SCB5265 should came with driver disc then you can try to install it. It is the recommended from device developers.
Remember you should try to cleanner the lens if you can see everything good from you computer if the device recognize it correctly.
Also you can try with new cd or dvd because some scratch can diffcult the read.
You can view your device from >my this pc > then click rigth manage and then >device manager