Blackberry 8120 - Manual (Page 291)

• Verify that your SIM card is inserted in your BlackBerry® device correctly.
• Verify that you have turned on the connection to the wireless network.
• Verify that you are connected to your wireless service provider's network. If you switched wireless networks manually, your device
remains connected to that wireless network until you select your wireless service provider's network again.
• If your wireless service provider supports UMA, verify that your connection preference is not set to Wi-Fi Only.
I cannot connect to a Wi-Fi network
Try performing the following actions:
• Verify that you have turned on the connection to the Wi-Fi® network.
• Verify that you are in a Wi-Fi coverage area.
• If the Wi-Fi network does not appear in the Wi-Fi setup application and you know the network name, connect to the Wi-Fi network
manually.
• Verify that the connection options in the Wi-Fi setup application are correct. If you have already verified these options, verify that
the advanced connection options for the Wi-Fi network are correct.
• If you switched Wi-Fi networks manually, switch to another Wi-Fi network or set your device to scan for available Wi-Fi networks.
• If your wireless service provider supports UMA, verify that your connection preference is not set to Mobile Network Only.
• If you use PEAP, EAP-TLS, EAP-FAST, EAP-TTLS, or EAP-SIM to connect to a Wi-Fi network, verify that you have installed the root
certificate for the certificate authority server that created the certificate for the authentication server.
• If you use EAP-TLS to connect to a Wi-Fi network, verify that you have added your authentication certificate to your BlackBerry®
device.
I cannot synchronize a certificate
Verify that the certificate synchronization tool of the BlackBerry® Desktop Manager is installed on your computer. If the certificate
synchronization tool is not installed on your computer, re-install the BlackBerry® Desktop Software. For more information about installing
the BlackBerry Desktop Software, see the printed documentation that came with your BlackBerry device.
Security troubleshooting
I cannot type a password
Verify that you are using the multi-tap input method.
I cannot unlock my device using my smart card
Try performing the following actions:
• Verify that the correct smart card is inserted in the smart card reader.
• Verify that the smart card is inserted in the smart card reader correctly.
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