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When I try to install other supported Wifi drivers (intel and Qualcomm) listed on the Lenovo support site for the laptop, I will run the source executible in the folder that was installed after I ran the general execultibe from lenovo (which says it is for all 3 Intel, Qualcomm, and Realtek) and it will open command prompt then do nothing. I have also uninstalled the driver and reinstalled it through scanning for hardware changes, as well as trying to install drivers from the Lenovo site. This appears to sometimes fix the issue for a while, but eventually it seems to return (perhaps a few days later). I have tried fixes like manually updating the Realtek 8822BE wireless lan driver, as well as the Realtek PCiE GbE family controller in device manager. I seriously hope it is not hardware and I end up having to replace this unit. Something is clearly causing an issue where the Wifi adapter needs to restart itself. After a few seconds, the wifi logo will reappear and if I try to connect it will work. If I keep watching, and don't do anything, eventually the wifi will be disabled completely for a moment, and the wifi logo in the system tray will turn to the LAN connection logo (similar to if you have uninstalled any wireless network adapter and only have LAN adapters installed). If I then click on my Wifi information, and attempt to reconnect to the network or any network, it will try for a while and then eventually say cannot connect. I think my issue is identical to yours, when connected to wifi, it will be working smoothly with no issue, and will randomly disconnect after some amount of time (the wireless bars will show the yellow excalamation mark). Model is a Y7000P, payed a fair amount for this laptop and really love it except for this issue.