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d. Read Troubleshoot the Internet Connection on page 286.
e. If problems persist, register your NETGEAR product and contact NETGEAR technical support.
When the modem router connects to the Internet, you are prompted to download and install the free NETGEAR
Desktop genie app and the free ReadySHARE Vault app.
Set Up the Modem Router for Cable or Fiber Service
You can install your modem router for cable or fiber (Ethernet WAN) service or for DSL service. If you use a cable
or fiber modem, follow the procedure that is described in this section. If you use a DSL modem, follow the procedure
that is described in Cable the Modem Router for DSL Service and Access the Modem Router on page 24.
The following figure shows the cabling of your modem router for cable or fiber service.
Figure 8. Modem router cabling for cable or fiber service
To connect your modem router to a cable or fiber service:
1. Unplug your cable or fiber modem’s power, leaving the modem connected to the wall jack for your Internet
service.
2. If your cable or fiber modem includes a battery backup, remove the battery.
3. Use an Ethernet cable to connect the cable or fiber modem to the red Internet port on the modem router.
Install and Access the Modem Router and Its Network
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Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800