Wifi not work after paste of password. Password is correct.
My copmuter is
DELL Percision M4800
Wi-Fi hardware info
Network controller: Intel Corporation Wireless 7260 (rev bb)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [Wilkins Peak 2]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 46
IOMMU group: 9
Region 0: Memory at f7700000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi