I have also started using the Windows 7 system image backup and restore feature, so there is no need to create a Windows 7 Rescue Disc in case the boot loader gets wiped off. Everything can be run from USB nowadays such as Hiren’s BootCD, antivirus rescue discs and even installing Windows 7. I do have an external USB slim DVD writer though if I really need to use it. Secondly, although a DVD drive doesn’t take up much power, I know I am saving some (around 20 Watts) from not having it. Removing it gives more space for air ventilation. I found that it is unnecessary because the 5.25″ DVD drive is too big and takes up too much space. Believe it or not, my old desktop computer doesn’t have an internal CD/DVD drive.
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