Laptop won't detect external GPU

survivalcraftfreak23 · Feb 16, 2018

I have a dell precision M6300, and I got an Nvidia Geforce GTX 645. I used a DVI cable to hook them up, but it's not detected.

Specs:
Nvidia Quadro FX 1600M
Intel Core 2 Duo @ 2.40 Ghz

Obakasama · Feb 17, 2018

Hook what to what precisely? Typically a laptop's screen can't be used as a display for an external source.

Recent laptops may be able to accommodate an external graphics card using a dock via a Thunderbolt 3 connector. Older laptops require more fiddling if they have the appropriate hardware (I recall something about card slots for a Thinkpad T430).

Scottray · Feb 17, 2018

First issue - the dvi port on the laptop is an OUTPUT. It can output a video signal to another monitor. It can't be used as an input from a GPU. Second, connecting a external GPU to a laptop is a big pain in the butt, unless it's a new laptop with a Thunderbolt 3 port. Here's some info on e-GPUs: https://www.pcworld.com/article/2984716/laptop-computers/how-to-transform-your-laptop-into-a-gaming-powerhouse-with-an-external-graphics-card.html

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Laptop won't detect external GPU

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