我以前问过这个问题几次，但不幸的是我找不到答案。
我曾多次尝试使用 Ubuntu 14.04 修复我的互联网问题，但我认为我需要针对我的系统进行特定的修复。
它会先快速走一会儿，然后又会走得很慢，并且有一段时间不会回头。
我有一台 HP 笔记本电脑：
这是我运行 lshw 时显示的内容：代码：
description: Computer
width: 64 bits
capabilities: vsyscall32
*-core
description: Motherboard
physical id: 0
*-memory
description: System memory
physical id: 0
size: 3842MiB
*-cpu
product: Intel(R) Pentium(R) CPU N3520 @ 2.16GHz
vendor: Intel Corp.
physical id: 1
bus info: cpu@0
size: 2159MHz
capacity: 2159MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch ida arat epb dtherm tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms cpufreq
*-pci
description: Host bridge
product: ValleyView SSA-CUnit
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 0c
width: 32 bits
clock: 33MHz
*-display
description: VGA compatible controller
product: ValleyView Gen7
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 0c
width: 32 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:106 memory:90000000-903fffff memory:80000000-8fffffff ioport:3050(size=8)
*-storage
description: SATA controller
product: ValleyView 6-Port SATA AHCI Controller
vendor: Intel Corporation
physical id: 13
bus info: pci@0000:00:13.0
version: 0c
width: 32 bits
clock: 66MHz
capabilities: storage ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:104 ioport:3048(size=8) ioport:305c(size=4) ioport:3040(size=8) ioport:3058(size=4) ioport:3020(size=32) memory:90914000-909147ff
*-usb
description: USB controller
product: ValleyView USB xHCI Host Controller
vendor: Intel Corporation
physical id: 14
bus info: pci@0000:00:14.0
version: 0c
width: 64 bits
clock: 33MHz
capabilities: xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:103 memory:90900000-9090ffff
*-generic UNCLAIMED
description: Encryption controller
product: ValleyView SEC
vendor: Intel Corporation
physical id: 1a
bus info: pci@0000:00:1a.0
version: 0c
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: latency=0
resources: memory:90800000-908fffff memory:90700000-907fffff
*-multimedia
description: Audio device
product: ValleyView High Definition Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 0c
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:107 memory:90910000-90913fff
*-pci:0
description: PCI bridge
product: ValleyView PCI Express Root Port
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: 0c
width: 32 bits
clock: 33MHz
capabilities: pci normal_decode cap_list
configuration: driver=pcieport
resources: irq:16 ioport:4000(size=4096)
*-pci:1
description: PCI bridge
product: ValleyView PCI Express Root Port
vendor: Intel Corporation
physical id: 1c.2
bus info: pci@0000:00:1c.2
version: 0c
width: 32 bits
clock: 33MHz
capabilities: pci normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:18 ioport:2000(size=4096) memory:90600000-906fffff ioport:90400000(size=1048576)
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 07
serial: c4:34:6b:44:91:14
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-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:105 ioport:2000(size=256) memory:90600000-90600fff memory:90400000-90403fff
*-pci:2
description: PCI bridge
product: ValleyView PCI Express Root Port
vendor: Intel Corporation
physical id: 1c.3
bus info: pci@0000:00:1c.3
version: 0c
width: 32 bits
clock: 33MHz
capabilities: pci normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:19 ioport:1000(size=4096) memory:90500000-905fffff
*-network
description: Wireless interface
product: RTL8188EE Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 01
serial: 9c:d2:1e:6d:67:2c
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8188ee driverversion=3.13.0-43-generic firmware=N/A ip=10.0.0.8 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:19 ioport:1000(size=256) memory:90500000-90503fff
*-isa
description: ISA bridge
product: ValleyView Power Control Unit
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 0c
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: latency=0
*-serial UNCLAIMED
description: SMBus
product: ValleyView SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 0c
width: 32 bits
clock: 33MHz
capabilities: cap_list
configuration: latency=0
resources: memory:90915000-9091501f ioport:3000(size=32)
这是 iwconfig：
代码：
eth0 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"HOME-2322"
Mode:Managed Frequency:2.412 GHz Access Point: 58:23:8C:68:23:22
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-16 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:55 Missed beacon:0
请帮忙！！
答案1
尝试不停地 (每秒或更快) ping 您的路由器，看看是否有任何滞后 (延迟)。
您的路由器应该总是能快速回复您，大概在 2 或 3 毫秒内。如果它的速度和您的所有互联网流量同时变慢，我会说这表明存在无线问题（接收）或路由器问题（可能因过多的 p2p 流量而陷入停滞）。
如果您的路由器 ping 速度从未减慢（始终为 2-3 毫秒），则延迟就在路由器的某个地方。
其他想法：
- 尝试不同的 wifi 适配器
- 尝试使用不同的路由器吗？
- 购买并安装网络/光纤电缆？
- 购买更快的互联网接入？
也可能是一个错误，就像这个http://www.ubuntu.com/usn/usn-2447-2/“USN-2447-1 修复了 Linux 内核中的漏洞。由于不相关的回归，升级后几个驱动程序的 TCP 吞吐量降至零。”