I have no manual and there are 13 front panel pins on motherboard?

Vermillion_1

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Aug 2, 2017
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My pre-built is an Acer Aspire TC-705. Here are some specs.

CPU: i7-4790

GPU: 1050ti

HDD: 2tb 7200rpm

RAM: 12GB DDR3

As for the motherboard, I am not sure how to identify it, so here is a screenshot of the my mainboard tab in CPU-Z.
https://gyazo.com/de20dae043b98f96f03f2c1c7ddbf4af

Thanks for your reply.