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Wifi issues with 5Ghz band after installing new SSD

Hello Guys,

New here, I installed Samsung 1TB SSD into my 2011 Macbook Pro 13”

Did not clone, I chose to install fresh OS - its High Sierra on SSD.

After the boot no 5Ghz wifi available, its not searching or able to find that band.

Its working fine with 2.4 Ghz band.

Unsure what could be the reason.

After install, done all the necessary updates,.

Any thoughts?

Thanks a lot for your assitance.

Many thanks

AP


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Technically: Your elbow is not attached to your foot! So, changing your socks shouldn’t effect your elbow ;-}

Thats also the case here! Replacing a drive shouldn’t effect your Wifi services. But clearly it has!

This then gets into what you might have banged in the process of working on your system. Given its exposure I would surmise the MacBook Pro 13" Unibody (Early 2011-Mid 2012) Airport/Bluetooth Cable got damaged or dislodged. Here’s the guide you’ll need to follow MacBook Pro (13 Zoll, Anfang 2011, Unibody) AirPort/Bluetooth Kabel Austausch

MacBook Pro 13" Unibody (Early 2011-Mid 2012) Airport/Bluetooth Cable Bild

Produkt

MacBook Pro 13" Unibody (Early 2011-Mid 2012) Airport/Bluetooth Cable

$9.99

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Hi Dan,

Thanks for your response, but this one is strange enough,

I plugged in removed HDD through USB adapter and booted from the previous HDD and surprisingly I could see 5Ghz wifi channels there.

I have not restarted mac couple of times, randomly checking for updates of anything missing and to shock this morning, I noticed I can see 5Ghz band.

I didnt do anything to fix this, automatically 5Ghz wifi reappeared.

von

@r0ne - Thats a cable failure! Replace it if you want this to be stable.

Its also possible the WiFi AP name was not cached properly. Often I see this when the AP’s name is used for both 2.4 & 5.0 GHz bands. Ideally, you want to alter the names for each band to be unique name so instead of ACME you use ACME_24 and ACME_50.

von

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AP Singh wird auf ewig dankbar sein.
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