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Released by Dell in 2016, the Precision 7510 is a high-end workstation laptop. Almost every component in the device can be replaced or upgraded.

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Any way to replace the ethernet jack?

My laptop got slid off the table by my rambunctious cat, fell a couple feet then was suspended in mid-air by the cable in the jack. But now, the jack is all messed up and a cable will no longer plug into it. I did some searching and reading, and it sounds like the only way to fix it is to fully replace the motherboard. Just hoping perhaps someone has better info.

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You may be able to just replace the LAN port as it appears to be only soldered to the motherboard.

Here’s a composite image of the motherboard from this supplier (only selected as it had a reasonable view of the LAN port) showing the LAN port and its connection to the motherboard.

Block Image

(click on image to enlarge for better viewing)

Here’s the owner manual for the laptop. Go to p.35 to view the necessary pre-requisite steps and then the procedure to remove the systemboard, as this will need to be done so that the replacement of the LAN port can be done.

I don’t know the laptop but count the number of pins in the port to know which part you will need and also if it is an smd (surface mount device - soldered to pads on the surface of the motherboard) or thru hole type (soldered on the opposite side of the motherboard (can’t see it to well from the images what type it exactly is but it has 8 pins I think).

For example if it has 8 pins and is a smd type then search for RJ45 8P8C smd or if it is a through hole type then search for RJ45 8P8C thru.

If this is too daunting to do yourself, contact a reputable, professional laptop repair service and ask for a quote. It should be cheaper than replacing the motherboard, although finding the exact RJ45 connector may involve a bit of a search, but maybe not for those who work on laptops all the time.

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