First of all CD/DVD rom is the main peripheral of the computer.Without these peripheral computer cant work properly because we cant install Operating system.So please maintain this my using these instruction.
1) First one is always use good condition Cd/DVD because if you use bad condition CD or DVd it can worse you DVD writer lance.
2) Now are days there is a less use of CD/DVD rom because of the invention of the Pen drive.Everyone is using Pen drive but pen drive can not replace the use CD/DVD.I not using CD/DVD because there is no use one day I want to install Operating system then I open DVD drive I tried so many times it become jam.Then I use pechkas for open DVD Rom.In a month you should open DVD rom freely for working .
3) Use lense cleaner for cleaning the DVD rom lense.