H/W path Device Class Description
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system 81MT (LENOVO_MT_81MT_BU_idea_FM_V
/0 bus LNVNB161216
/0/0 memory 128KiB BIOS
/0/4 processor AMD A9-9425 RADEON R5, 5 COMPUTE
/0/4/7 memory 160KiB L1 cache
/0/4/8 memory 1MiB L2 cache
/0/20 memory 8GiB System Memory
/0/20/0 memory 8GiB SODIMM DDR4 Synchronous Unbu
/0/100 bridge Advanced Micro Devices, Inc. [AMD
/0/100/0.2 generic Advanced Micro Devices, Inc. [AMD
/0/100/1 display Advanced Micro Devices, Inc. [AMD
/0/100/1.1 multimedia Advanced Micro Devices, Inc. [AMD
/0/100/2.2 bridge Advanced Micro Devices, Inc. [AMD
/0/100/2.2/0 enp1s0 network RTL8111/8168/8411 PCI Express Gig
/0/100/2.4 bridge Advanced Micro Devices, Inc. [AMD
/0/100/2.4/0 network Realtek Semiconductor Co., Ltd.
/0/100/8 generic Advanced Micro Devices, Inc. [AMD
/0/100/9.2 multimedia Advanced Micro Devices, Inc. [AMD
/0/100/10 bus FCH USB XHCI Controller
/0/100/10/0 usb2 bus xHCI Host Controller
/0/100/10/0/3 input Usb Mouse
/0/100/10/1 usb3 bus xHCI Host Controller
/0/100/11 scsi0 storage FCH SATA Controller [AHCI mode]
/0/100/11/0.0.0 /dev/sda disk 1TB TOSHIBA MQ04ABF1
/0/100/11/0.0.0/1 /dev/sda1 volume 27GiB EXT4 volume
/0/100/11/0.0.0/2 /dev/sda2 volume 903GiB Extended partition
/0/100/11/0.0.0/2/5 /dev/sda5 volume 7646MiB Linux swap volume
/0/100/11/0.0.0/2/6 /dev/sda6 volume 896GiB EXT4 volume
/0/100/12 bus FCH USB EHCI Controller
/0/100/12/1 usb1 bus EHCI Host Controller
/0/100/12/1/1 bus USB hub
/0/100/12/1/1/2 communication Bluetooth Radio
/0/100/12/1/1/3 multimedia EasyCamera
/0/100/14 bus FCH SMBus Controller
/0/100/14.3 bridge FCH LPC Bridge
/0/101 bridge Advanced Micro Devices, Inc. [AMD
/0/102 bridge Advanced Micro Devices, Inc. [AMD
/0/103 bridge Advanced Micro Devices, Inc. [AMD
/0/104 bridge Advanced Micro Devices, Inc. [AMD
/0/105 bridge Advanced Micro Devices, Inc. [AMD
/0/106 bridge Advanced Micro Devices, Inc. [AMD
/0/107 bridge Advanced Micro Devices, Inc. [AMD
/0/108 bridge Advanced Micro Devices, Inc. [AMD
/0/109 bridge Advanced Micro Devices, Inc. [AMD
/0/1 system PnP device PNP0c02
/0/2 system PnP device PNP0b00
/0/3 generic PnP device FUJ7401
/0/5 system PnP device PNP0c02
/0/6 system PnP device PNP0c01
Aparentemente tu interfaz wifi es Realtek RTL8821CE 802.11ac PCIe Wireless Network Adapter (confirmalo !)
En tal caso deberías instalar el paquete firmware-realtek ,para ello tenes que tener incluidos los repositorios non-free
En todo caso ayudate a ver cual es el dispositivo y si el sistema al menos reconoce que existe
Gracias por responder, tuve un fallo grave del portatil y fue al servicio tecnico por segunda vez. Realmente decepcionado con Lenovo.. A la espera de la vuelta del equipo sigo intentando.