This may seem a bit obvious to some but I thought of it today and figured I'd share.

If you have an external hard drive and a DVD/CD-Rom drive laying around, this is a much cheaper
alternative to buying an ext. DVD drive. (and I'm very cheap lol) First you need to disassemble
the external hard drive and unplug the drive from its two connectors (obviously unplug it from the wall first

)
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Next grab any old DVD or CD-Rom drive you can find laying around. I had an old CD-RW drive laying in my closet
and decided it would be better put to use than just lay there collecting dust.
[attachment=1:1wgyhdm2]HPIM0133.JPG[/attachment:1wgyhdm2]
Check the jumper on the back of the Drive and make sure that it's set to MASTER.
Then just hook it up to the connectors in the external hard drive and try it out!
Note: make sure the ribbon cable is hooked up the right way, I've hooked them up upside down before!
[attachment=0:1wgyhdm2]HPIM0139.JPG[/attachment:1wgyhdm2]
So here's the finished product. Works great on my desktop. (My Mini 9 is in the mail

can't wait to get it!)
Should work just as well as any external drive you buy in a store. Heh hope this was a good enough first post lol.
P.S. There is no warranty on this guide! Please don't complain to me if you mess up your external hard drive trying this out!
Happy Modding!
-AlchEm1st