I just copied this all from CPU-Z. I am no IT specialist, just wanted to try an eGPU for my ailing laptop. this is my first time to do an eGPU. so far so good! when i was doing my research i never saw a build for my laptop.. that's why i posted my attempt here..
System specs (model inc screen size, CPU, iGPU, dGPU, operating system which eGPU is being used)
Dell Inspiron 7460
Intel Core i5 7200U
Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
Intel(R) HD Graphics 620
Nvidia 940MX
Windows 10 64bit
eGPU hardware (eGPU enclosure, video card, any third-party TB3 cable, any custom mods)
EXP GDC m.2 NGFF
Zotac Nvidia GeForce GTX 750 Ti
Hardware pictures (note: require 5+ posts for "attach files" button to appear. Or can link from say http://imgur.com BUT post the .jpg/.png image file rather than a link to it)
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Installation steps (what did you do to get it all going?)
I just followed the usual procedure. Replace the wifi card with NGFF cable that came in with EXP GDC. Provide power using a generic PSU. Attach the GPU. Before turning on the eGPU, I did a clean up of all Nvidia drivers by using DDU. Downloaded the latest drivers for GTX 750 Ti. Then, turned off my laptop.
I turned on the eGPU first. Then followed my laptop. After I installed the downloaded Nvidia drivers, I got it all going!
Benchmarks (Include a CUDA-Z or AIDA64 bandwidth pic. Optional: Valley, 3dmark, noting if it's on internal/external LCD )
Comments (eg: how has the eGPU improved your workflow or gaming)
This is my first time to do eGPU and post here! Comments are very welcome!
@adiel_masbad, Thank you SOOO much for sharing this, bro. It motivated me to do eGPU too. I have the same laptop. Dell Inspiron 7460, mine got 16gb of RAM and 240gb SSD for the Windows. I'm just waiting for my GDC Beast NGFF to arrive. I'll try to make with GTX 960.
I need to ask, have you done anything specific in your bios? The bios of Inspiron 7460 do not allow us to disable/enable GPUS. So you've just uninstalled the 940MX Drivers and everything worked fine? How Is it going right now? Are u enjoyning your eGPU? Can you share any gameplay experience or video? Thanks, from Brazil! I'll share here my experience, anyway.
Update:
I have now upgraded my GPU to Palit GTX 1050Ti 4gb.
Before upgrading I had to DDU all drivers first. After booting up, installed latest Nvidia drivers and then disabled my iGPU using device manager. I encountered error 43 and used the script in this post - https://egpu.io/forums/expresscard-mpcie-m-2-adapters/script-nvidia-error43-fixer/ to remove the error.
@adiel_masbad, nice! Thanks again for sharing. You needed to disable your iGPU on device manager when you tried egpu with 750Ti? So maybe with GTX 960 I will not get the error 43? I think It is because you've used a 10xx Nvidia Gpu... I'll share everything here when my EXP GDC arrive. I'm soo happy to see a person with inspiron 7460 doing egpu! 
Hello @adiel_masbad, my setup with GTX 960 EVGA 2GB is working!! I did exactly what you did with 750Ti. Everything is working fine, I can run games so much better. Buuut, I've detected a problem everytime I restart my system, the iGPU (940MX) is automatic enabling and then I need to disable It on Windows device manager and reinstall the Gtx 960 driver... I've bought the NANDO DIY software but I'm waiting for him to response my e-mail and send me the program!! I'm so excited and very happy to see it working <3 Your first post doing egpu with the same laptop I got motivated me soooo much. Thank you, from Brazil!!
@mauricio_cajazeira, hey! i didnt realize somebody was replying to this! glad to hear your egpu is up and running man! sorry was not able to directly reply to you...
about your concerns.. yes, my igpu is permanently disabled (940mx). im not sure why its getting re-enabled every time you restart your system. perhaps, your egpu should be running first/turned on first before you turn on the laptop? coz thats what i do.
for the bios setup, you need to disable the "wake on lan setting", something. sorry i forgot the exact term.
currently, with my 1050ti, i get occasional BSOD. still trying to figure out why. maybe something wrong with cables, exp gdc itself or the gpu? or software side..? i havent really figured it out.
as for gaming.. i play cities:skylines.. i enjoy for about 15-30minutes then BSOD happens. haha! but for the daily tasks such as, web browsing, watching videos, zoom meetings.. no issues at 90-95% of the time, otherwise 5-10% BSOD. haha!
hope youre enjoying your setup!
also, i hope you're safe and healthy from this freaking pandemic!
it would be nice if you could share your build with egpu.io so that we can inspire others more!
they have a guide how to contribute:
https://egpu.io/forums/builds/build-template/
you should post it under the "external gpu builds" topic of the forum, click "add topic" button somewhere on the right side.
currently, with my 1050ti, i get occasional BSOD. still trying to figure out why. maybe something wrong with cables, exp gdc itself or the gpu? or software side..? i havent really figured it out.
i think the psu was faulty. i changed it and never had any BSOD since.
@adiel_masbad, Thank you SO MUCH again my friend. I'm happy to see you solved your BSOD problems with a newer and better PSU! I've found a solution for my problem too, you can see at my build post, 99% based on yours (lol) but I'm pretty sure It will help someone around the world like your post helped me. I hope you doing well too on this pandemic situation. <3
Maybe in the future I will upgrade my eGPU for the GTX 960 4GB or GTX 970, and share my experience. I'm not going for GTX 10xx or 16xx cause I'm afraid of errors like error 12 or anyother like you have experienced.
Anyway, I'm SO HAPPY with my 960 2gb. So much better experience then the 940mx used to be. haha
for the bios setup, you need to disable the "wake on lan setting", something. sorry i forgot the exact term.
This is how I configured my BIOS under integrated NIC. You need to disable the UEFI network stack and choose the option without PXE boot. I can't really say the reason behind but I read somewhere here that you should disable the wake-on LAN/WAN feature of your laptop, so I just assumed these are the wake-on LAN/WAN of this laptop. haha!
I'm not going for GTX 10xx
I think the Nvidia 10xx are the max for our CPU. Higher than it, I think would bottleneck already.