Lenovo G50-45 Wireless has dissapeared completely

I have a Lenovo G50-45 that when i bought it worked perfectly. Here recently it seems the wireless adapter has magically vanished and i say that because ive done everything i know to do and ive searched google everywhere but no one seems to have the same issue i do except one person and he was running linux and was able to resolve his issue. I on the other hand havent been able to.This laptop has a bluetooth/wireless card combo. The card handles both connections. The laptop itself has a AMD 8 processor, 4GB ram 1TB HDD running windows 8.1Oneday the laptop just wouldnt connect to wifi. I work on computers alot, and short of replacing the card itself i havent found the solution on my own.The wireless adapter does not show up in network sharing when you click change adapter settings. Only the LAN and bluetooth connections are there. I checked in device manager and there is no missing or improperly installed hardware. Opened the network connections in Device manager and there is no wireless adapter, no WLAN, no wireless anything avaliable there.I have done the following:I uninstalled and reinstalled the bluetooh driver. updated the bluetooh driver. physically removed the card, started the laptop (the bluetooth connection dissapeared like i expected, turned off the laptop and reinstalled the card and restarted, the bluetooth connection reappeared but not the wireless.I checked in the BIOS. Wireless is enabled. I updated the BIOS. Restored defaults. Still no wireless card.I thought maybe there was an issue within windows 8.1I partitioned the HDD and set off 100GB and installed Windows 7. I didnt think id be able to install the card but i wanted to see if windows 7 detected the hardware. It actually installed the bluetooth card by itself and properly, with an out of date driver im sure but it recognized it.But it did not find the wireless adapter. No wireless card in Device manager in windows 8.1 or a fresh install of windows 7.I ignored that the card wasnt there, and i went to the lenovo site and downloaded the proper up to date drivers. installed them on windows 7 and 8.1. I get the following error message "No appropriate driver to be installed"Now i have a feeling the card itself is to blame. Maybe i have that one card that just wasnt gonna make it. Ive never had a wireless card burn out on me ever but i suppose it is possible. But before i go buying parts, even though its cheap i dont have much money. And the principle of it all, if the card works why should i buy another one? right? its a disgrace to say i work on these devices and be beaten by one of them. So has anyone had a similar issue? Something i havent yet tried?I would just throw in a wireless adapter i have here but the port on the motherboard is different than what i see in most laptops, i assume because its both wireless and bluetooth. I only have wireless cards laying around, non of them fit properly so i will need to buy a replacement to test. But if anyone can help me out, id appreciate it.

Hi Kris_hm,
Welcome to Lenovo Communtiy Forums!
Normal Troubleshooting path on this cases includes
Power Cycle of the system
Checking of WLAN in BIOS if Enabled (Includes resetting BIOS to defaults)
WLAN card reseating (Removing WLAN card and reconnecting the WLAN again) Includes cleaning of the ports and connectors.
If these are all met - You might need to replace the WLAN card,
The WLAN Card socket supports M.2 / Ngff Connection type
Make sure you get a replacement card that is on this Maintenance Manual WLAN list and has an FRU tag.
This is to avoid getting whitelist problem
Regards
Solid Cruver

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- Sample Image
Let me know how it goes.
Regards
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