我的网络连接有问题。当我通过 HDMI 将视频投影仪连接到笔记本电脑并切换到镜像显示或其他外部显示视图时，我失去了网络连接。我每天使用的另一台外接显示器没有问题，直到今天，投影仪也没有问题。我有 ubuntu 18.04 这是 dmesg 输出错误：
[ 3743.227542] iwlwifi 0000:01:00.0: Queue 10 is active on fifo 1 and stuck for 10000 ms. SW [46, 94] HW [46, 94] FH TRB=0x0c010a03d
[ 3743.227701] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000.
[ 3743.227852] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
[ 3743.227857] iwlwifi 0000:01:00.0: Status: 0x00000100, count: 6
[ 3743.227861] iwlwifi 0000:01:00.0: Loaded firmware version: 34.0.1
[ 3743.227866] iwlwifi 0000:01:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN
[ 3743.227869] iwlwifi 0000:01:00.0: 0x000006F7 | trm_hw_status0
[ 3743.227873] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1
[ 3743.227876] iwlwifi 0000:01:00.0: 0x00023FDC | branchlink2
[ 3743.227879] iwlwifi 0000:01:00.0: 0x0003915A | interruptlink1
[ 3743.227883] iwlwifi 0000:01:00.0: 0x00004DD2 | interruptlink2
[ 3743.227886] iwlwifi 0000:01:00.0: 0x00000000 | data1
[ 3743.227889] iwlwifi 0000:01:00.0: 0x00000080 | data2
[ 3743.227893] iwlwifi 0000:01:00.0: 0x07830000 | data3
[ 3743.227896] iwlwifi 0000:01:00.0: 0x0E018EA9 | beacon time
[ 3743.227900] iwlwifi 0000:01:00.0: 0x310A9156 | tsf low
[ 3743.227903] iwlwifi 0000:01:00.0: 0x00000002 | tsf hi
[ 3743.227906] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
[ 3743.227910] iwlwifi 0000:01:00.0: 0x00BCB9F2 | time gp2
[ 3743.227913] iwlwifi 0000:01:00.0: 0x00000001 | uCode revision type
[ 3743.227916] iwlwifi 0000:01:00.0: 0x00000022 | uCode version major
[ 3743.227920] iwlwifi 0000:01:00.0: 0x00000000 | uCode version minor
[ 3743.227923] iwlwifi 0000:01:00.0: 0x00000230 | hw version
[ 3743.227926] iwlwifi 0000:01:00.0: 0x00C89000 | board version
[ 3743.227930] iwlwifi 0000:01:00.0: 0x0A2E001C | hcmd
[ 3743.227933] iwlwifi 0000:01:00.0: 0x82F22002 | isr0
[ 3743.227937] iwlwifi 0000:01:00.0: 0x00804000 | isr1
[ 3743.227940] iwlwifi 0000:01:00.0: 0x0800180A | isr2
[ 3743.227943] iwlwifi 0000:01:00.0: 0x404128C4 | isr3
[ 3743.227946] iwlwifi 0000:01:00.0: 0x00000000 | isr4
[ 3743.227950] iwlwifi 0000:01:00.0: 0x0064019C | last cmd Id
[ 3743.227953] iwlwifi 0000:01:00.0: 0x00000000 | wait_event
[ 3743.227956] iwlwifi 0000:01:00.0: 0x00000080 | l2p_control
[ 3743.227960] iwlwifi 0000:01:00.0: 0x00003C22 | l2p_duration
[ 3743.227963] iwlwifi 0000:01:00.0: 0x0000000F | l2p_mhvalid
[ 3743.227966] iwlwifi 0000:01:00.0: 0x00000084 | l2p_addr_match
[ 3743.227970] iwlwifi 0000:01:00.0: 0x0000000F | lmpm_pmg_sel
[ 3743.227973] iwlwifi 0000:01:00.0: 0x30101345 | timestamp
[ 3743.227977] iwlwifi 0000:01:00.0: 0x00345868 | flow_handler
[ 3743.228050] iwlwifi 0000:01:00.0: 0x00000000 | ADVANCED_SYSASSERT
[ 3743.228054] iwlwifi 0000:01:00.0: 0x00000000 | umac branchlink1
[ 3743.228057] iwlwifi 0000:01:00.0: 0x00000000 | umac branchlink2
[ 3743.228060] iwlwifi 0000:01:00.0: 0x00000000 | umac interruptlink1
[ 3743.228064] iwlwifi 0000:01:00.0: 0x00000000 | umac interruptlink2
[ 3743.228067] iwlwifi 0000:01:00.0: 0x00000000 | umac data1
[ 3743.228070] iwlwifi 0000:01:00.0: 0x00000000 | umac data2
[ 3743.228073] iwlwifi 0000:01:00.0: 0x00000000 | umac data3
[ 3743.228077] iwlwifi 0000:01:00.0: 0x00000000 | umac major
[ 3743.228080] iwlwifi 0000:01:00.0: 0x00000000 | umac minor
[ 3743.228083] iwlwifi 0000:01:00.0: 0x00000000 | frame pointer
[ 3743.228086] iwlwifi 0000:01:00.0: 0x00000000 | stack pointer
[ 3743.228089] iwlwifi 0000:01:00.0: 0x00000000 | last host cmd
[ 3743.228093] iwlwifi 0000:01:00.0: 0x00000000 | isr status reg
[ 3743.228100] ieee80211 phy0: Hardware restart was requested
我很感激任何帮助！谢谢！