%20%E4%B8%8D%E7%A8%B3%E5%AE%9A%E7%9A%84%20wifi%20%E8%BF%9E%E6%8E%A5%20(Ubuntu%2016.04.4%20LTS).png)
我刚刚从 github 安装了驱动程序联发科 MT7630E wifi 适配器 (hp)最初它工作正常，但重启后变得非常不稳定，它检测到 wifi 网络但无法连接。有时它会自动连接，但只持续几分钟。我查看了这个平台上的类似问题，并将 wifi.powersaver = 3 更改为 2。仍然没有变化。这是我的适配器的详细信息。如果有人能建议哪里出了问题以及如何修复它，那将是一个很大的帮助。
lshw -C network
WARNING: you should run this program as super-user.
*-network
description: Wireless interface
product: MT7630e 802.11bgn Wireless Network Adapter
vendor: MEDIATEK Corp.
physical id: 0
bus info: pci@0000:08:00.0
logical name: wlo1
version: 00
serial: fc:4d:d4:50:53:06
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=mt7630e driverversion=4.15.0-106-generic firmware=112.3 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:18 memory:c2600000-c26fffff
*-network
description: Ethernet interface
product: RTL810xE PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:09:00.0
logical name: eno1
version: 08
serial: a0:48:1c:0b:5d:21
size: 10Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-2_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:19 ioport:4000(size=256) memory:c2504000-c2504fff memory:c2500000-c2503fff
*-network
description: Ethernet interface
physical id: 1
logical name: enp0s20u1
serial: 4a:d7:c9:c9:65:08
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.29 link=yes multicast=yes
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.```
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$ lspci
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)
00:1c.1 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 2 (rev e4)
00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01)
08:00.0 Network controller: MEDIATEK Corp. MT7630e 802.11bgn Wireless Network Adapter
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 08)
0a:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 / R7 M520] (rev ff)```
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```$ ifconfig
eno1 Link encap:Ethernet HWaddr a0:48:1c:0b:5d:21
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
enp0s20u1 Link encap:Ethernet HWaddr 4a:d7:c9:c9:65:08
inet addr:192.168.42.29 Bcast:192.168.42.255 Mask:255.255.255.0
inet6 addr: fe80::7899:a0c6:fe1d:f847/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:11108 errors:3 dropped:0 overruns:0 frame:3
TX packets:11228 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8184294 (8.1 MB) TX bytes:2029929 (2.0 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:5393 errors:0 dropped:0 overruns:0 frame:0
TX packets:5393 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:445082 (445.0 KB) TX bytes:445082 (445.0 KB)
--------------------------------------------------------------------
$ iwconfig
lo no wireless extensions.
wlo1 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
enp0s20u1 no wireless extensions.
eno1 no wireless extensions.
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It will be a big help if someone could suggest what is wrong and how to fix it.