与同一个网络中的智能手机和其他笔记本电脑相比,上传/广播的速度非常慢

我确实想将视频投射到我的Google Chromecast,但是我面临的连接速度非常慢,这在同一网络中的其他设备上是不会发生的。 例如,我正尝试从Plex发送内容,但它没有启动或确实经常出现打but,但是如果我导航并从智能手机或另一台笔记本电脑中选择相同的文件并进行投射,则它的工作原理就像一种魅力。

我说的是投放,因为我以前没有遇到过慢的互联网连接,只是因为我的互联网提供商本身提供的上传速度真的很慢,而且我没有以其他方式注意到它。

I'm on Ubuntu 20.04 but I also had this problem on older versions. I tried to add options iwlwifi 11n_disable=2 (but also 1 and 8) in /etc/modprobe.d/iwlwifi.conf without results. I also tried to disable the iwconfig power management with sudo iwconfig wlp2s0 power off and to turn off the TLP power saving stuff, but nothing helps. Please send help, I'm going mad. ?

iwconfig result:

lo        no wireless extensions.

wlp2s0    IEEE 802.11  ESSID:"TIM-29088207"  
          Mode:Managed  Frequency:5.22 GHz  Access Point: A6:91:B1:BB:D9:D8   
          Bit Rate=866.7 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=50/70  Signal level=-60 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:684   Missed beacon:0

ham0      no wireless extensions.

lshw -C network result:

*-network                 
       description: Wireless interface
       product: Wireless 8265 / 8275
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlp2s0
       version: 78
       serial: f8:94:c2:e6:3b:4c
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-29-generic firmware=36.77d01142.0 ip=192.168.1.250 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:127 memory:ef100000-ef101fff
  *-network
       description: Ethernet interface
       physical id: 1
       logical name: ham0
       serial: 7a:79:19:90:f2:d9
       size: 10Mbit/s
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full ip=25.144.242.217 link=yes multicast=yes port=twisted pair speed=10Mbit/s
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