General Troubleshooting

• Restart your Device
• If you are using a router, try restarting it
• Try turning off and back on Screen Sharing
• Restart your computer
• Redownload and Reinstall the Application

Troubleshooting

• Make sure to follow the connection instructions.
• Make sure you enter a password. This is mandatory!
• Your iPhone/iPod touch and computer need to be connected on the same WiFi network. 
• If necessary, you can also connect through an ad hoc connection.
  
• If you run a firewall, make sure port 5900 is opened on your router and correctly redirects to your computer. Check your router' user manual to see how to open ports
• Some anti-viruses or other software could block port 5900. Check the software's user manual for more information.
  
• Make sure Apple's default firewall allows connections to Screen Sharing.
• Wake On Demand. Please read this note from Apple Support page

Configuring NumPad is a 2 steps process: setting up your computer and add or congigure the servers list in NumPad.

Step 1: Configuring your computer

OS X 10.4 Tiger and up

1. Open System Preferences in the Dock or the Apple menu
   
2. Click on Sharing
3. Enable Screen Sharing (named Apple Remote Desktop on Tiger)
   
4. You're done!

Windows XP, Vista and 7

Edovia recommends using TightVNC or UltraVNC, which are free VNC server softwares. Other VNC servers such as RealVNC are also supported but we think both TightVNC and UltraVNC gives the best experience and are the easiest to work with.

TightVNC installation

1. Download TightVNC (http://www.tightvnc.com/download.php)
2. Install and launch the software
3. We recommend that you check "Register TightVNC Server as a system service"
   
4. Find the TrightVNC icon in the system tray
5. Double-click on it
6. The settings window will appear
7. You might want to turn off "Hide Desktop wallpaper" but this is not mandatory
   
8. Notice the port number. You will need this information later to add a server manually
9. Set a new password and write it down. You will need it to setup NumPad later
10. If Windows asks you to allow TightVNC to make changes to this computer, click Yes
    
11. Click OK to close the window
12. Hover your mouse cursor over the TightVNC icon in the system tray. You'll see the IP Address of your computer. Write it down. This will be needed when you add a server manually in NumPad
13. You're done!

UltraVNC installation

1. Download UltraVNC (http://www.uvnc.com/download/1082/1082full.html)
2. Install and launch the software
3. We recommend that you check "Register UltraVNC Server as a system service"
   
4. Find the UltraVNC icon in the system tray
5. Right-click it and select Admin Properties
6. The settings window will appear
7. You might want to turn off "Remove Aero" and "Remove Wallpaper for Viewers" but this is not mandatory
8. Make sure that "Disable Viewer inputs" and "Disable Local inputs" are NOT enabled.
   
9. Notice the port number. You will need this information later to add a server manually
10. Under Authentication, set a new password and write it down. You will need it to setup NumPad later
11. If Windows asks you to allow UltraVNC to make changes to this computer, click Yes
    
12. Click OK to close the window
13. Hover your mouse cursor over the UltraVNC icon in the system tray. You'll see the IP Address of your computer. Write it down. This will be needed when you add a server manually in NumPad
14. You're done!
    

Linux

These instructions refer to a Ubuntu setup so settings may change from a distribution to another. Please refer to the Linux distribution help manual for more information.

1. In the system menu, select System > Preferences > Remote Desktop
   
2. Enable «Allow other users to view your desktop»
3. Enable «Allow other users to control your desktop»
4. Enable «Require the user to enter this password» and enter a password. Write it down as you'll need it when configuring NumPad
5. Click the Close button
6. You're done!
   

Step 2: Configuring NumPad

Configuring a server automatically detected by NumPad

NumPad uses the Bonjour protocol to find nearby computers that it can connect to. Found servers are automatically added to the list.

1. Open NumPad on your iPhone, iPad or iPod touch
   
2. Tap on the Settings icon (top right)
3. Tap the blue arrow button for the server you'd like to configure
4. Select the server type. This is very important as NumPad needs to know which keystrokes to send and may also affect the available authentication methods.
5. Authentication Methods:
   1. OS User Account: Use this method if you connect to a Mac. Simply enter the same username and password that you would use to log on your computer.
   2. VNC Password: Use this method if you connect to a Windows or Linux PC
   3. None: Use this method if you do not need to authenticate.
6. Tap on the Servers button (top left) to go back to the Servers list
7. Tap on the configured server. You should see a checkmark once NumPad is connected to your computer
   

Adding a server manually

For some Linux distributions or Windows, you will need to enter servers manually. This method can also be used for Macs when the Bonjour service is not available or if NumPad does not find your Mac.

1. Tap on the + button (top left)
   
2. A »New Server» form will appear
3. Enter a Name, IP Address and Port Number for your computer. This information was obtained when you configured your computer earlier.
4. Select a server type. This information is very important to make sure NumPad works correctly
5. Authentication Methods:
   1. OS User Account: Use this method if you connect to a Mac. Simply enter the same username and password that you would use to log on your computer.
   2. VNC Password: Use this method if you connect to a Windows or Linux PC
   3. None: Use this method if you do not need to authenticate.
6. Tap the Save button
7. Once back to the Servers list, you should see your newly added server.
8. Tap on the configured server. You should see a checkmark once NumPad has established a connection with your computer
   

If the firewall of your operating system is activated, it is important to ensure that the VNC connection between your computer and NumPad is permitted. Also make sure that your router also allows the same connection. Please refer to the manual of your router for more information.

OS X 10.5 Leopard and up

1. Open System Preferences from the Dock or the Apple menu
   
2. Click on Security
   
3. If the Firewall is enabled, make sure Screen Sharing is allowed to connect

OS X 10.4 Tiger

1. Open System Preferences from the Dock or the Apple menu
   
2. Click on Sharing
3. Click the Firewall tab
4. Make sure Apple Remote Desktop is allowed to receive connections

Windows XP, Vista and 7

1. Click Start > Control Panel > Windows Firewall
   
2. Click on the Exceptions tab
3. Make sure your VNC server software (TightVNC, RealVNC, UltraVNC, etc.) is visible in the list
4. If that's not the case, click on «Add program...» and add the VNC server program you currently use
5. Click OK to close the window

Linux

Settings may change from one distribution to another. Please refer to the instruction manual for your Linux distribution for more information about the firewall configuration.

Here is a guide that let’s you connect your iPhone, iPod Touch or iPad to your computer without having to use any Wifi Router, the connection will be direct, also called AdHoc Wifi connection.

OS X 10.4 Tiger and up

1. Click on wireless icon on taskbar, Select «Create Network»
2. Type a name for the new Network
3. On your iPhone, iPod touch or iPad, go to Settings > Wi-Fi Networks
4. You should be able to see the network name listed
5. Tap on the name and iPhone will try to connect
6. Wait until the network icon is visible
7. You're ready to connect!

Windows XP, Vista and 7

1. Open Connect to a Network by clicking the Start button , and then clicking «Connect to»
2. Click Set up a connection or network
3. Click Set up an ad hoc (computer-to-computer) network, click Next, and then follow the steps in the wizard
   
4. On your iPhone, iPod touch or iPad, go to Settings > Wi-Fi Networks
5. You should be able to see the network name listed
6. Tap on the name and iPhone will try to connect
7. Wait until the network icon is visible
8. You're ready to connect!

Linux

Settings may change from one distribution to another. Please refer to the instruction manual for your Linux distribution for more information about the Ad Hoc connection configuration.

When using NumPad with a virtual installation running with VMWare or Parallels, you have to install a VNC Server on Windows and make sure that you run the network as Bridge and *not* Shared mode. See How to connect NumPad to a computer to learn how to install RealVNC or TightVNC in Windows.

Also, make sure NumLock is not activated on your virtual machine. Also, note that the CLEAR key (top-left) is equal to NumLock on Windows. Try to tap that key once if NumPad seems to be acting like the arrow keys instead of typing numbers.

Also, you can send some keys from your virtualization software. For example, Fusion can send a NumLock command to your virtual machine. From Fusion's menu > Virtual Machine > Send Keys > Clear (Num Lock).