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MSI GE70 2PE Apache Pro, manufactured by Micro-Star International, this powerful gaming machine was released in March of 2014

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troubleshoot wireless adapter issue (antenna broken?)

This laptop stopped being able to connect to the internet wirelessly without a USB dongle a while back; it's been years since it worked. It connects to ethernet just fine. I recently inherited it and slapped Linux Mint on there, whereupon the wireless did work, for about an hour, before conking out again. Though I haven't been able to get it to connect to wireless since then, this is consistent with how it started acting when the wireless first gave out, before the laptop's former owner gave up and got a USB adapter, when this device was still a Windows 7 (maybe 8?) machine. The fact that it occurs across OSes, and isn't entirely, consistently dead, led me to believe that perhaps the wireless adapter itself had gone bad (as opposed to there being a driver issue). However, replacing it with a known working adapter did not fix the problem. Now I'm wondering if the antenna is broken (maybe a break in the wire?). Does this seem plausible? If so, is it feasible to replace the antenna, and is someone willing to write up a guide about it? Or should I just give up and get another USB adapter?

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It is easy to check with a multimeter whether the antenna leads are bad, and there are readilly available on-line replacements. Videos for your model disassembly are available on You-Tube if needed. To me it sounds like a software/driver issue though. I would look at MSI's support page for not only drivers but a BIOS update since you aren't using the installed OS and a BIOS update might be what you need. When you disassemble the critter look for any spots where the lead(s) may have been pinched or crimped if the device was worked on before the lead routing may have been wrongly performed, otherwise it's unlikely they are the problem. You say you replaced it with a known working one so, maybe you'll find a problem with the antenna(e) or leads. My bet is on OS and Driver issues. Check the BIOS version and MSI's support page for a possible fix. Good Luck.

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I agree that this looks like a thousand other driver issues I've seen before, so I'm certainly not ruling it out. As I said above, the reason I think it could be a hardware problem is the issue first started occurring when it was still running its original OS, and (according to the friend who owned it before me) it wasn't immediately after any updates, nor was it solved by rolling things back.

That said, I don't know this machine's full history, and it is smarter to troubleshoot software/firmware first. MSI has almost nothing in the way of official support for linux. I already hunted down all the potential driver updates/fixes I could find (Mint is Ubuntu-derived and Ubuntu supposedly works out of the box, but I tried the firmware-iwlwifi Debian needs just in case), but updating the BIOS is a good idea.

I don't know why I didn't think to check the antenna leads with a multimeter. That's what multimeters are for. I feel very foolish.

Regardless of how this turns out, thanks for the answer.

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Vindication! A continuity test shows the antenna IS broken! I cannot believe I didn't think to do that before. I feel so stupid.

Gonna see if I can put a donor set in there.

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Great! Isn't it fun to fix things yourself?

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