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2 DNS Server Test. If this test fails, there may be an issue with your Internet service provider. • Make sure your router is connected to your cable or DSL modem correctly. • Contact your Internet service provider for more help. 3 Internet Connection Test. If this test fails, there may be an issue with your Internet service provider. • Make sure your router is connected to your cable or DSL modem correctly. • Contact your Internet service provider for more help. Using connected applications You