宽带速率指的技术上所能达到的最大理论速率值，一般是上传和下载的速度，速率越高，上传和下载的越快。那么今天小编给大家介绍下ADSL上网速度太慢怎么办吧。

ADSL上网速度太慢解决方法

复制以下的字符到 "记事本" 存成 ADSL.inf档,按鼠标右键---->安装

[Version]

signature=$CHICAGO$

[DefaultInstall]

DelReg=Delete_Old_Tweaks

AddReg=Add_SpeedGuide_Tweaks

[Delete_Old_Tweaks]

HKLM,SystemCurrentControlSetServicesVxDMSTCP,DefaultRcvWindow

HKLM,SystemCurrentControlSetServicesVxDMSTCP,DefaultTTL

HKLM,SystemCurrentControlSetServicesVxDMSTCP,PMTUDiscovery

HKLM,SystemCurrentControlSetServicesVxDMSTCP,PMTUBlackHoleDetect

HKLM,SystemCurrentControlSetServicesVxDMSTCPParameters,Tcp1323Opts

HKLM,SystemCurrentControlSetServicesVxDMSTCP,Tcp1323Opts

HKLM,SystemCurrentControlSetServicesVxDMSTCPParameters,SackOpts

HKLM,SystemCurrentControlSetServicesVxDMSTCP,SackOpts

HKLM,SystemCurrentControlSetServicesVxDMSTCPParameters,MaxDupAcks

HKLM,SystemCurrentControlSetServicesClassNetTrans000,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans001,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans002,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans003,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans004,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans005,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans006,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans007,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans008,MaxMTU

HKLM,SystemCurrentControlSetServicesClassNetTrans009,MaxMTU

HKLM,SystemCurrentControlSetServicesICSharingSettingsGeneral,InternetMTU

[Add_SpeedGuide_Tweaks]

HKLM,SystemCurrentControlSetServicesVxDMSTCP,DefaultRcvWindow,0,"255552"

HKLM,SystemCurrentControlSetServicesVxDMSTCP,DefaultTTL,0,"64"

HKLM,SystemCurrentControlSetServicesVxDMSTCP,PMTUDiscovery,0,"1"

HKLM,SystemCurrentControlSetServicesVxDMSTCP,PMTUBlackHoleDetect,0,"0"

HKLM,SystemCurrentControlSetServicesVxDMSTCP,Tcp1323Opts,0,"1"

HKLM,SystemCurrentControlSetServicesVxDMSTCP,SackOpts,0,"1"

HKLM,SystemCurrentControlSetServicesVxDMSTCPParameters,MaxDupAcks,0x10001,"3"

HKLM,SystemCurrentControlSetServicesClassNetTrans000,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans001,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans002,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans003,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans004,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans005,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans006,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans007,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans008,MaxMTU,0,"1492"

HKLM,SystemCurrentControlSetServicesClassNetTrans009,MaxMTU,0,"1492"

然后重启电脑