Hello, I have a Toshiba Satelite T135RD-S1325RD with Windows 7. Since it's a notebook, it did not come with a CD drive so I recently purchased the 'USB 2.0 Slim Portable Optical Drive.' While the Optical Drive reads CDs just fine, it refuses to read DVDs, which was the reason why I bought the thing in the first place. My computer says that the optical drive is working just fine, but it just will not recognized DVDs.

I don't know how to fix it and no where is telling me how to unless I pay $50 or something for a program that is not guaranteed to work. Can anybody help me?

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Hi, It is possible that the drive is defective, but there may be a power conservation setting on your laptop causing a problem as well. If you go to Power Options. 'Change Plan Settings' on the right in blue text.

Then 'Change Advanced Power Settings' also in blue text, you will get a window where you can change default power settings. You can temporarily disable or modify anything related to your USB. You can also go to Device Manager.

'Universal Serial Bus Controllers', and see if you can determine which Hub or controller your drive is attached to, and temporarily disable it's Power saving feature. It may be that your computer simply doesn't supply enough power for the drive. Can you switch the cables to different ports to see if that helps? USB 3.0 ports supply more power is you have any. Do you have any AC adapter gadgets that supply power through a USB connector you can try? You might try a friends computer or something for an easy test. 32-bit download.

When USB powered external drives first came out, there were a lot of problems with insufficient power availability. Even after using two USB plugs the problem remained to a lesser degree. USB 3.0 has a higher power output to try and resolve a lot of those issues.