我在台式机上使用 Ubuntu 18.04，没有任何互联网问题。由于硬件问题（SMTP），计算机不时重新启动。在此期间，我重新安装了 Ubuntu 19.04。
但是现在，没有互联网，无论是通过 wifi 还是通过以太网电缆连接。
我尝试过 18.04 和 19.04 的实时 USB。实时 USB 也一样，没有 wifi 或以太网连接。
我已经使用 live dvd 和 live usb 安装了 ubuntu，但没有成功。
我已经在互联网和论坛上进行了广泛搜索，但仍然无法解决问题。
它与 Windows 10 双启动。在 Windows 10 中，根本没有网络问题。
系统配置：
Graphics : Intel® Haswell Desktop
GNOME: 3.28.2
OS Type: 64 bit
Processor: Intel® Core™ i5-4440 CPU @ 3.10GHz × 4
Memory: 3.7 GiB
$ sudo lshw -C 网络
[sudo] password for user:
*-network UNCLAIMED
description: Ethernet controller
product: IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY
vendor: Sundance Technology Inc / IC Plus Corp
physical id: 1
bus info: pci@0000:03:01.0
version: 31
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: latency=32 maxlatency=10 mingnt=10
resources: ioport:e000(size=128) memory:f7c10000-f7c101ff memory:f7c00000-f7c0ffff
$ dkms 状态
Command 'dkms' not found, but can be installed with:
sudo apt install dkms
更新：我已经手动安装了 dkms。‘dkms status’ 没有显示输出。
然后，
$ lspci -n | grep '0200|0280' | awk '{print$3}'
13f0:0200
$ lspci-nnk
00:00.0 Host bridge [0600]: Intel Corporation 4th Gen Core Processor DRAM Controller [8086:0c00] (rev 06)
Subsystem: Gigabyte Technology Co., Ltd 4th Gen Core Processor DRAM Controller [1458:5000]
Kernel driver in use: hsw_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06)
Subsystem: Gigabyte Technology Co., Ltd Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [1458:d000]
Kernel driver in use: i915
Kernel modules: i915
00:03.0 Audio device [0403]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [8086:0c0c] (rev 06)
Subsystem: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [8086:2010]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:14.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI [8086:8c31] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset Family USB xHCI [1458:5007]
Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 [8086:8c3a] (rev 04)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset Family MEI Controller [1458:1c3a]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1a.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 [8086:8c2d] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset Family USB EHCI [1458:5006]
Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller [8086:8c20] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset High Definition Audio Controller [1458:a002]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 [8086:8c10] (rev d5)
Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev d5)
00:1d.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 [8086:8c26] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset Family USB EHCI [1458:5006]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation B85 Express LPC Controller [8086:8c50] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd B85 Express LPC Controller [1458:5001]
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [8086:8c02] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [1458:b005]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller [8086:8c22] (rev 05)
Subsystem: Gigabyte Technology Co., Ltd 8 Series/C220 Series Chipset Family SMBus Controller [1458:5001]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
02:00.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 41)
03:01.0 Ethernet controller [0200]: Sundance Technology Inc / IC Plus Corp IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY [13f0:0200] (rev 31)
Subsystem: Sundance Technology Inc / IC Plus Corp IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY [13f0:0201]
Kernel modules: sundance
$ lspci-vmmnn
Slot: 00:00.0
Class: Host bridge [0600]
Vendor: Intel Corporation [8086]
Device: 4th Gen Core Processor DRAM Controller [0c00]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 4th Gen Core Processor DRAM Controller [5000]
Rev: 06
Slot: 00:02.0
Class: VGA compatible controller [0300]
Vendor: Intel Corporation [8086]
Device: Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [0412]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [d000]
Rev: 06
Slot: 00:03.0
Class: Audio device [0403]
Vendor: Intel Corporation [8086]
Device: Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [0c0c]
SVendor: Intel Corporation [8086]
SDevice: Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [2010]
Rev: 06
Slot: 00:14.0
Class: USB controller [0c03]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family USB xHCI [8c31]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset Family USB xHCI [5007]
Rev: 05
ProgIf: 30
Slot: 00:16.0
Class: Communication controller [0780]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family MEI Controller #1 [8c3a]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset Family MEI Controller [1c3a]
Rev: 04
Slot: 00:1a.0
Class: USB controller [0c03]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family USB EHCI #2 [8c2d]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset Family USB EHCI [5006]
Rev: 05
ProgIf: 20
Slot: 00:1b.0
Class: Audio device [0403]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset High Definition Audio Controller [8c20]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset High Definition Audio Controller [a002]
Rev: 05
Slot: 00:1c.0
Class: PCI bridge [0604]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family PCI Express Root Port #1 [8c10]
Rev: d5
Slot: 00:1c.3
Class: PCI bridge [0604]
Vendor: Intel Corporation [8086]
Device: 82801 PCI Bridge [244e]
Rev: d5
ProgIf: 01
Slot: 00:1d.0
Class: USB controller [0c03]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family USB EHCI #1 [8c26]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset Family USB EHCI [5006]
Rev: 05
ProgIf: 20
Slot: 00:1f.0
Class: ISA bridge [0601]
Vendor: Intel Corporation [8086]
Device: B85 Express LPC Controller [8c50]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: B85 Express LPC Controller [5001]
Rev: 05
Slot: 00:1f.2
Class: SATA controller [0106]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [8c02]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [b005]
Rev: 05
ProgIf: 01
Slot: 00:1f.3
Class: SMBus [0c05]
Vendor: Intel Corporation [8086]
Device: 8 Series/C220 Series Chipset Family SMBus Controller [8c22]
SVendor: Gigabyte Technology Co., Ltd [1458]
SDevice: 8 Series/C220 Series Chipset Family SMBus Controller [5001]
Rev: 05
Slot: 02:00.0
Class: PCI bridge [0604]
Vendor: Intel Corporation [8086]
Device: 82801 PCI Bridge [244e]
Rev: 41
ProgIf: 01
Slot: 03:01.0
Class: Ethernet controller [0200]
Vendor: Sundance Technology Inc / IC Plus Corp [13f0]
Device: IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY [0200]
SVendor: Sundance Technology Inc / IC Plus Corp [13f0]
SDevice: IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY [0201]
Rev: 31
$ sudo lsmod | grep sundance
sundance 32768 0
mii 16384 1 sundance
$ sudo modprobe sundance
它根本没有显示任何输出
$ uname -a
5.0.0-13-generic #14-ubuntu SMP Mon Apr 15 14:59:14 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
消息 |尾巴
[ 13.689493] audit: type=1400 audit(1566916461.462:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=685 comm="apparmor_parser"
[ 13.689495] audit: type=1400 audit(1566916461.462:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=685 comm="apparmor_parser"
[ 13.691035] audit: type=1400 audit(1566916461.462:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=689 comm="apparmor_parser"
[ 13.691037] audit: type=1400 audit(1566916461.462:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" pid=689 comm="apparmor_parser"
[ 39.292281] systemd-journald[328]: File /var/log/journal/579ed6ab24cc48b1bb793a581fec59c9/user-1000.journal corrupted or uncleanly shut down, renaming and replacing.
[ 44.258450] rfkill: input handler disabled
[ 46.012720] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[ 46.466152] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 46.531176] ISO 9660 Extensions: RRIP_1991A
[ 1893.077983] usb 3-8: USB disconnect, device number 4
拔下以太网，关闭，重新启动，插入以太网 - 没有效果。
需要帮助。