No Wifi Adapter Found, HP OMEN 15-dh0010ng, RTL8111/8168/8411

My wifi is not working after installing ubuntu 18.04 (my LAN is working). For two days, I have followed instructions in different forums, however, none of them worked for me. For example this one. The secure boot disable (checked by mokutil --sb-state. Here the network adapter informatin

*-network                         description: Ethernet interface        product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller        vendor: Realtek Semiconductor Co., Ltd.        physical id: 0        logical name: enp60s0        version: 16        size: 1Gbit/s        capacity: 1Gbit/s        width: 64 bits        clock: 33MHz        capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation        configuration: autonegotiation=on broadcast=yes driver=r8168 driverversion=8.045.08-NAPI duplex=full latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s        resources: irq:150 ioport:3000(size=256) memory:dc404000-dc404fff memory:dc400000-dc403fff   *-network UNCLAIMED        description: Network controller        product: Intel Corporation        vendor: Intel Corporation        physical id: 0        bus info: pci@0000:3e:00.0        version: 1a        width: 64 bits        clock: 33MHz        capabilities: pm msi pciexpress msix cap_list        configuration: latency=0        resources: memory:dc200000-dc203fff 

also, the output of lspci just in case:

00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07) 00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model 00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10) 00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10) 00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10) 00:15.0 Serial bus controller [0c80]: Intel Corporation Device a368 (rev 10) 00:15.1 Serial bus controller [0c80]: Intel Corporation Device a369 (rev 10) 00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10) 00:17.0 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 10) 00:1b.0 PCI bridge: Intel Corporation Device a340 (rev f0) 00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port 9 (rev f0) 00:1d.5 PCI bridge: Intel Corporation Device a335 (rev f0) 00:1d.6 PCI bridge: Intel Corporation Device a336 (rev f0) 00:1d.7 PCI bridge: Intel Corporation Device a337 (rev f0) 00:1f.0 ISA bridge: Intel Corporation Device a30d (rev 10) 00:1f.3 Multimedia audio controller: Intel Corporation Cannon Lake PCH cAVS (rev 10) 00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10) 00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1ed0 (rev a1) 01:00.1 Audio device: NVIDIA Corporation Device 10f8 (rev a1) 01:00.2 USB controller: NVIDIA Corporation Device 1ad8 (rev a1) 01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device 1ad9 (rev a1) 02:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) 03:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) 03:01.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) 03:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) 04:00.0 System peripheral: Intel Corporation JHL7540 Thunderbolt 3 NHI [Titan Ridge 2C 2018] (rev 06) 3a:00.0 USB controller: Intel Corporation JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 2C 2018] (rev 06) 3b:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981 3c:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 16) 3d:00.0 SD Host controller: Genesys Logic, Inc Device 9750 (rev 01) 3e:00.0 Network controller: Intel Corporation Device 2723 (rev 1a) 

I would appreciate any help.