I have problem with wifi connection on my laptop. Few days ago I got this thinkpad and installed newest mint.
I observed strange behaviors First was problem with speed. I observed that sometimes I have speed around 1Mbps, when it should be about 20Mbps(checed on speedtest.net).
Now when I am watching youtube or downloading something I got internet crash. On speedtest I see that i have speed 20Mbps for 1 sec i then it is going to 0 and I got download error. I don't know if this is problem with my drivers or sth or maybe wifi adapter is dead.
iwconfig output:
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wlp3s0 IEEE 802.11 ESSID:"TP-LINK_967A4E"
Mode:Managed Frequency:2.462 GHz Access Point: 54:E6:FC:96:7A:4E
Bit Rate=54 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=55/70 Signal level=-55 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:9 Invalid misc:168 Missed beacon:0
lo no wireless extensions.
enp0s25 no wireless extensions.
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*-network
description: Ethernet interface
product: Ethernet Connection I218-LM
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: enp0s25
version: 04
serial: 54:ee:75:0d:f6:76
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.6-4 latency=0 link=no multicast=yes port=twisted pair
resources: irq:42 memory:f0500000-f051ffff memory:f053e000-f053efff ioport:3080(size=32)
*-network
description: Wireless interface
product: Wireless 7260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 83
serial: e8:2a:ea:1f:0d:42
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.13.0-32-generic firmware=17.608620.0 ip=192.168.1.100 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:45 memory:f0400000-f0401fff