Port forward in DSL-2750U

Port forwarding   --- Add   ---  Select WAN connection

Service type...  Enter the server IP address

Add external and internal ports...

Enable Num Lock on startup using registry tweak

• Press Win + R and type in Regedit
• Navigate to registry key HKEY_USERS\Default\Control Panel\Keyboard
• Right-click on the “InitialKeyboardIndicators”, select Modify and change Value data to 2.
• Exit Registry.

Note: If you see the default value data as 2147483648; that is fine too and is the default on most installations.

Number keypad not working in Windows 7

Changing the accessibility options on Windows 7 
Control Panel
     l--------> Ease Of Access Center 
              i--------> Make the keyboard easier to use 
                        i----------> untick 'Turn On Mouse Keys'