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For additional help, you can check out the Toshiba Satellite S55t-A5389 Troubleshooting Page
Background and Identification
The Toshiba Satellite S55t-A5389 was released in 2013. The standard device comes with the Windows 8 operating system, an Intel Core i7 processor, 8 GB of DDR3L RAM, and a 15.6" non-touch widescreen LCD display. A notable feature of the device is the built in Harman/Kardon stereo speakers, which distinguishes this model of the Satellite from other models.
When you lift up the screen of the laptop, you will notice a silver colored track pad and palm rest, along with a black, full sized keyboard.