局域网电脑不能访问另外一台电脑

将以下代码保存为reg文件，然后在那台ping不通的电脑上运行一下：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa]
"restrictanonymous"=dword:00000000

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"restrictanonymous"=dword:00000000

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"limitblankpassworduse"=dword:00000000

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa]
"limitblankpassworduse"=dword:00000000

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{75048700-EF1F-11D0-9888-006097DEACF9}\Count]
"HRZR_EHAPCY"=hex:0C,00,00,00,26,00,00,00,F0,FB,E5,52,64,95,C6,01
"HRZR_EHAPCY:"P:\JVAQBJF\flfgrz32\sverjnyy.pcy",Jvaqbjf 防火墙"=hex:0C,00,00,00,08,00,00,00,F0,FB,E5,52,64,95,C6,01

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List]
"445:TCP"="445:TCP:LocalSubNet:Enabled:@xpsp2res.dll,-22005"
"137:UDP"="137:UDP:LocalSubNet:Enabled:@xpsp2res.dll,-22001"
"138:UDP"="138:UDP:LocalSubNet:Enabled:@xpsp2res.dll,-22002"
"139:TCP"="139:TCP:LocalSubNet:Enabled:@xpsp2res.dll,-22004"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Epoch]
"Epoch"=dword:000001ED

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Providers]
"LogonTime"=hex:E8,31,8E,4F,64,95,C6,01

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List]
"445:TCP"="445:TCP:LocalSubNet:Enabled:@xpsp2res.dll,-22005"
"137:UDP"="137:UDP:LocalSubNet:Enabled:@xpsp2res.dll,-22001"
"138:UDP"="138:UDP:LocalSubNet:Enabled:@xpsp2res.dll,-22002"
"139:TCP"="139:TCP:LocalSubNet:Enabled:@xpsp2res.dll,-22004"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Epoch]
"Epoch"=dword:000001ED

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"forceguest"=dword:00000001

不能Ping通不代表没有联到，比较你那台机器装了防火墙，那就会Ping不通。

把这台机器的防火墙都关闭再试试

把防火墙都关掉,一般能联网能拼通的.

那台电脑设置有问题，你在设置一下。

这个明显是你那一台有问题的电脑和做服务器的电脑之间的网线的问题啊
你用其他的网线试试