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The Samsung Chromebook XE303C12-A01US laptop features an 11.6" screen and a 16 GB SSD hard drive. This small notebook computer allows for easy access to the Internet and can run various web apps.

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How can I fix a hardware issue of wifi connection?

Chromebook cant hold a signal stronger than 25% unless right next to a router, and even then it will not go higher than 50%

Only device afftected, always the same regardless of networks or routers.

Been told its likely a hardware issue but I cant find a way to actually fix it. Ive seen how to take apart the chromebook but have nevet seen any replacement parts for components that deal with wifi.

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Added screenshots but theres already a few helpful answers

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The link to google does not work when you put it together.


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Your problem might be a loose or disconnected WiFi antenna cable.

Here is the link to the Ifixit guide on how to replace the battery in your Chromebook. It is handy because it shows how to open the laptop so as to gain access the WiFi antenna cable(s).

Samsung Chromebook Series 3 Battery Replacement

Here is an image taken from the guide. I have highlighted in a green box what I think looks like the WiFi antenna cable connections.

Check to see that they are securely connected.

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(click on image to enlarge for better viewing).

Hopefully this is of some help.

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Thanks, someone on the google forum linked me to this site that had pretty much a complete strip down of the chromebook. If the connections are damaged I'll have to contact Samsung and see what they can offer me, if they can offer me anything in terms of parts


Hi Mat,

if it is the WiFi 'board' that is the problem and not just a loose connection, check to see if there is a part number printed on the WiFi board itself( if it appears that it is a separate board that is) and then just Google the part number only and see if you get results


I checked the connections and they seemed fine, no part number that I was able to find.

Contacted Samsung about any parts/repairs and from the pricing they gave me, a repair would cost more than the laptop is worth




Perhaps this is an option worth considering. Not sure if it is your model though. Also you could look in other places online to see if there are similar faulty laptops at the right price that you could scavenge the part from


Wow, never thought to look for those, seeing a few nice ones in good shape, all the same model.

Just hope that if I do buy one of them it doesn't have the same issue that mine does lol. Found one that says the "screen is messed up", no visible damage but I know that the board the screen is connected to on the bottom is the same one where the wifi antenna connections are. I'll have to research some more and contact sellers about it.

Thanks for showing me that, never even considered that would be online for sale just for parts


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I would open a warranty claim.

If that doesn't work, I would call Samsung for spare parts, since the WiFi is custom size for this Laptop.

Samsung Hotline

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Thanks for the response, it's a 5 year old model so warranty is pretty much out the window lol, but I'm definitely gonna need to contact Samsung about any parts, have found nothing after months of searching on whether or not they have spare parts


USB WiFi will also be a cheap and dirty option. :P


Thought about that before until I saw online that someone else with what seemed to be the same problem did that and didnt change anything, but it could be worth a shot, been thinkinh about it for a while


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