I just installed Linux Mint 19 Cinnamon with a Gnome Desktop. I have a tp-link usb wifi adapter such as this one: https://www.tp-link.com/us/products/det ... N823N.html. The wifi connection works fine under Windows 7. I booted mint from a usb pen and the signal was not terribly strong, maybe 60%, but the connection was reasonable (Maybe I was lucky at the time as I am sometimes able to connect). After installing linux mint the signal is typically very low, and I am unable to connect most of the time.
inxi -Fxzd gives this:
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System: Host: - Kernel: 4.15.0-20-generic x86_64 bits: 64 gcc: 7.3.0
Desktop: Cinnamon 3.8.8 (Gtk 3.22.30-1ubuntu1) Distro: Linux Mint 19 Tara
Machine: Device: desktop System: ASUS product: All Series serial: N/A
Mobo: ASUSTeK model: Z97-P v: Rev X.0x serial: N/A
UEFI [Legacy]: American Megatrends v: 2803 date: 05/21/2015
CPU: Quad core Intel Core i7-4790 (-MT-MCP-) arch: Haswell rev.3 cache: 8192 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 28784
clock speeds: max: 4000 MHz 1: 1530 MHz 2: 1468 MHz 3: 1478 MHz 4: 1507 MHz 5: 1558 MHz 6: 1503 MHz
7: 1715 MHz 8: 1469 MHz
Graphics: Card: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller bus-ID: 00:02.0
Display Server: x11 (X.Org 1.19.6 ) drivers: modesetting (unloaded: fbdev,vesa)
Resolution: 1920x1080@60.00hz
OpenGL: renderer: Mesa DRI Intel Haswell Desktop version: 4.5 Mesa 18.0.0-rc5 Direct Render: Yes
Audio: Card-1 Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
driver: snd_hda_intel bus-ID: 00:03.0
Card-2 Intel 9 Series Family HD Audio Controller driver: snd_hda_intel bus-ID: 00:1b.0
Sound: Advanced Linux Sound Architecture v: k4.15.0-20-generic
Network: Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
driver: r8169 v: 2.3LK-NAPI port: e000 bus-ID: 03:00.0
IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Drives: HDD Total Size: 2120.4GB (0.7% used)
ID-1: /dev/sda model: KINGSTON_SV300S3 size: 120.0GB
ID-2: /dev/sdb model: WDC_WD20EURX size: 2000.4GB
Optical-1: /dev/sr0 model: ASUS DRW-24F1MT rev: 1.00 dev-links: cdrom,cdrw,dvd,dvdrw
Features: speed: 48x multisession: yes
audio: yes dvd: yes rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition: ID-1: / size: 1.4T used: 14G (2%) fs: ext4 dev: /dev/sdb5
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 29.8C mobo: 27.8C
Fan Speeds (in rpm): cpu: 0
Info: Processes: 224 Uptime: 1:29 Memory: 2669.2/32044.6MB Init: systemd runlevel: 5 Gcc sys: 7.3.0
Client: Shell (bash 4.4.191) inxi: 2.3.56
iwconfig currently produces (I am now able to connect which is not usual):
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enp3s0 no wireless extensions.
wlx7c8bca0bb083 IEEE 802.11 ESSID:--
Mode:Managed Frequency:2.462 GHz Access Point: --
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=30/70 Signal level=-80 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1 Missed beacon:0
lo no wireless extensions.