Set up the wireless network

Wi-Fi provides wireless Internet access over distances of up to 100 meters (00 feet).

To use Wi-Fi on your phone, you need access to a wireless access point or "hotspot". The availability
and range of the Wi-Fi signal depends on the number, infrastructure, and other objects
through which the signal passes.

Turning Wi-Fi on and connecting to a wireless network
From the Home screen, press MENU, and then tap Settings > Wireless & networks.
Select the Wi-Fi check box to turn Wi-Fi on. The phone then scans for available wireless
networks.

Tap Wi-Fi settings. The network names and security settings of detected Wi-Fi networks
are displayed in the Wi-Fi networks section.
If the wireless network you want to connect to is not in the list of detected networks,
scroll down the screen, and then tap Add Wi-Fi network. Enter the wireless network
settings, and then tap Save.

Tap the Wi-Fi network you want to connect to.
If you selected an open network, you will be automatically connected to the network.
If you selected a network that is secured with WEP, enter the key and then tap
Connect.

Depending on the network type and its security settings, you may also need to enter more information
or choose a security certificate.
When your phone is connected to a wireless network, the Wi-Fi icon appears in the
status bar and tells you the approximate signal strength (number of bands that light up).
The next time your phone connects to a previously accessed secured wireless network, you
will not be prompted to enter the key or other security information again, unless you reset
your phone to its factory default settings.

Check it is turned on.

Key 11 Wireless on/off
Easily turns on or off the several wireless network settings at the same time. - This button is useful on the airplane to turn off every wireless network device. - You also can set up a specifi c wireless network device with the Fn + key combination. On : Shows that any wireless network devices are turned on. Off : Shows that no wireless network device is turned on. Initializing process will take about 5 seconds after pressing this button. If you want to change the status again, press this button after 5 seconds. If the device cannot search wireless network while this button shows On, press the Fn + key combination to search and confi gure it manually.
See the manual,
http://downloadcenter.samsung.com/content/UM/201408/20140828175358730/Win7_Manual_eng.pdf
or download a new driver for it from here.

Global Download Center

The print driver solution for this product is included with the Microsoft Windows Vista operating system and is already on the computer. No special driver download is necessary for this product.
Please follow the simple instructions below to easily get the product working with Microsoft Windows Vista Operating system.

Installation Instructions

Direct Connection (Parallel & USB connector)

1. Verify that the printer is turned ON.
2. Connect the Universal Serial Bus (USB)/ Parallel (IEEE 1284) cable to the printer and to the computer
3. Click on the Close button when the message "Your devices are ready to use" is displayed in the screen.
4. The printer is now ready to accept the print job.

Wired Network & Bluetooth Connection

NOTE:For Bluetooth connected printer, please ensure that the printer's access mode is set to public mode for detection.

1. Verify that the printer is turned on.
2. Click Start > Control Panel and then select Printers .
3. Click on Add a printer .
4. Click Add a network, wireless or Bluetooth printer . A list of detected wired network or Bluetooth printers will be displayed.
5. Select the printer you want to install and click Next . Follow the on screen installation instruction to complete the printer driver installation.

Wireless Connection

1. Verify that the printer is turned ON.
2. Ensure the printer's wireless network setting is set to the correct wireless profile matching the local wireless network/computer's wireless card setting.
   If you have previously configured the printer's wireless network setting, matching local wireless/computer's wireless card setting, please proceed to step 3.
   if you have NOT previously configured the printer's wireless network setting to match local wireless network/computer's wireless card setting, please follow the steps below.
   To set wireless network settings in an infrastructure network
   Connect the printer to the computer with the cross cable (included with the printer) or connect the printer to the network with a network cable.
   Press the configuration button once to print a configuration page.
   Open web browser, and type in the IP address that has been assigned to the printer.
   Configure the printer's wireless setting to match local wireless network/computer's wireless card setting.
   Unplug the cross cable/network cable.
   Activate the printer wireless network, activate the computer's wireless network profile.
   Proceed to step 3.
   To set wireless network settings in an ad hoc network
   Do the following to reset the printer's network settings:
   
   1. While pressing the Configuration Page button, press (Resume button) three times.
   2. Wait about 20 seconds, and then press (Power button) to turn off the printer.
   3. Disconnect the power cord from the printer.
   4. Wait about 20 seconds, and then reconnect the power cord.
   5. Press (Power button) to turn on the printer.
   6. Open the configuration utility for the computer's wireless network card, then create a new wireless profile with the following values.
      • Communication mode: ad hoc
      • Network name (SSID): hpsetup
      • Security (encryption): disabled
   7. Activate the wireless profile.
   8. Wait two minutes for the printer to obtain an IP address, then print a wireless configuration page to verify the following for the printer's network settings.
      • Communication mode: ad hoc
      • Network name (SSID): hpsetup
      • The IP address is NOT 0.0.0.0
   9. If one of the above conditions is not true then repeat the preceding steps. Proceed to steps 3 below.
3. Click Start > Control Panel and then select Printers .
4. Click on Add a printer .
5. Click Add a network, wireless or Bluetooth printer , a list of detected printers will be displayed.
6. Select the printer you want to install and click Next . Follow the on screen installation instruction to complete the print driver installation.

Wireless Connection

1. Write down your wireless network name (SSID -example 2WIRExxx) and the security key (WEP key)
   • If you are using an 3rd party(PlayStation) wireless networking adapter (sold separately from your system), connect the USB connector to the USB port on the back of the console. Do not use the front USB ports.
2. Turn on your console and wireless device.
   • If you have a wireless-to-Ethernet bridge, turn on the device.
   • If you have an 3rd party (PlayStation) wireless networking adapter, the device turns on automatically with the console.
3. Turn on your 3rd party(PlayStation) console.
   • If this is the first time you are turning on your console, complete the initial setup and create a profile before continuing.
4. In the System area of the 3rd party(PlayStation) dashboard, select "Network Settings."
5. Select "Edit Settings."
6. From the Basic Settings tab, select "Wireless Mode."
   • You are asked to set your locale if you have not set it on the console. Your locale is the country or region from where you are connecting to3rd party(PlayStation) Live.
7. Is your wireless network name (SSID - 2WIRExxx) displayed on the screen?
   
   • If it is displayed, select it.
   • If it is not displayed because you are connecting to a wireless network where the network name is not being broadcast, choose "Specify Unlisted Network". Select the security type for the network, and enter the wireless security settings for the network.
8. Enter the WEP Key.
   • If encryption is disabled on your HomePortal, you will not have the option to enter wireless security settings.
9. When prompted, select Test Xbox Live.

If the Xbox Live test reports Connected, congratulations! You are now successfully connected your Xbox 360 console to Xbox Live. Select "Edit Settings" to review your settings or Xbox dashboard (Y button) to begin gaming.

is it a new wireless adapter? if it is..

in order for the xbox works wireless
you need to have a wireless network adapter from xbox
if you do have the wireless network adapter if it black it has a installation disc that comes with the packet
install the disc make sure that the wirless network adapter is unplugged before you inserted the disc you will prompted an update select yes for the update once it is done installing remove the disc and turn off the console and plugged in the wireless network adapter then press the guide button the silver button in the middle of the controller and go to settings blade and choose system settings,select network settings,then configure network it must have the option for "wireless mode" select this option and select scan for network,choose your network if it ask for WEP,WPA /WPA2 this is the passcode that you set for the wireless network.after you enter the WEP,WPA/WPA2 you are connected
if it is the white adapter all you need to do is pluggin the wireless network adapter while the console is turn off once you switch on the console test the connection and you will be prompted to update select yes for the update then press the guide button the silver button in the middle of the controller and go to settings blade and choose system settings,select network settings,then configure network it must have the option for "wireless mode" select this option and select scan for network,choose your network if it ask for WEP,WPA /WPA2 this is the passcode that you set for the wireless network.after you enter the WEP,WPA/WPA2 you are connected enjoy the game =D

in order for the xbox works wireless
you need to have a wireless network adapter from xbox
if you do have the wireless network adapter if it black it has a installation disc that comes with the packet
install the disc make sure that the wirless network adapter is unplugged before you inserted the disc you will prompted an update select yes for the update once it is done installing remove the disc and turn off the console and plugged in the wireless network adapter then press the guide button the silver button in the middle of the controller and go to settings blade and choose system settings,select network settings,then configure network it must have the option for "wireless mode" select this option and select scan for network,choose your network if it ask for WEP,WPA /WPA2 this is the passcode that you set for the wireless network.after you enter the WEP,WPA/WPA2 you are connected
if it is the white adapter all you need to do is pluggin the wireless network adapter while the console is turn off once you switch on the console test the connection and you will be prompted to update select yes for the update then press the guide button the silver button in the middle of the controller and go to settings blade and choose system settings,select network settings,then configure network it must have the option for "wireless mode" select this option and select scan for network,choose your network if it ask for WEP,WPA /WPA2 this is the passcode that you set for the wireless network.after you enter the WEP,WPA/WPA2 you are connected enjoy the game =D

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If it is XP then in the bottom right hand corner you will find Wireless network connection ( looks like 1 computer monitor). Use that icon to connect to the wireless network.
If it is windows Vista, then in the bottom right hand corner you will find 2 computer monitor icon. Use that icon to connect to the wireless network.
If it is Windows 98/ME/2000 then use the adapter utility to connect to the wireless network.
For MAC you will see the AIRPORT icon at the top.

Check the wireless settings of the router first . Make sure that yopu have all the wireless settings of the router. If you are not sure about the settings, then open the router set up and check the settings.

Click Here for step by step instructions on how to connect to the wireless network and troubleshooting steps

1. Plug in the Microsoft Xbox 360 Wireless Adapter to one of the USB ports on the back of your Xbox 360.
2. Turn on your Xbox 360 and navigate to "My Xbox" and then "System Settings."
3. Go to "Network Settings" and then "Configure Network."
4. Select the appropriate settings for the wireless network you will be connecting to on the "Basic Settings" tab.
5. Enter the name of the SSID of the wireless network you will be connecting to. If the SSID is not broadcast, select "Specify Unlisted Network" and enter in the SSID of the network manually.
6. Enter in the wireless security key (WEP or WPA) so that your Xbox 360 can access the network.
7. Select "Test Xbox Live Connection" back on the "Network Settings" screen to verify that your Xbox 360 is now connected to the wireless network and ready for use.

Should work for either WEP or WPA

Reset the network adapter

Go to Control Panel\Network and Internet\Network Connections
Right click on Wireless Network connection. Click disable
Right click on it again and click on enable. It should work .

i think there is some kind of block from the network administrator

usually you can access wifi easily with out any problems.

di u install any third party application in your phone recently??