I just purchased anWWAN adapter (EM7355 FRU:04X6038) and installed it to my X240, the WWAN adapter was recognized by the system (Win7 professional 64bit) after installation and correctly displayed in "Device Management". However, the WLAN (Wifi, Intel AC7260) adapter was no longer detected in the system, therefore I have no wifi access. I logged into my BIOS--> Security -->I/O port access, the Wireless LAN turn on/off option was still there.
I’ve tried to unplug/reinsert the WLAN adapter, upgrade system BIOS, uninstall/reinstall Wireless LAN driver, all of them don’t help.
Could anyone here give me hand to address this problem?
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