Netgear N750-WiFi User Manual - Page 136

Troubleshoot with the LEDs, Power LED Is Off or Blinking, Power LED Stays Red

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N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000 Troubleshoot with the LEDs After you turn on power to the wireless modem router, the following sequence of events should occur: 1. When power is first applied, verify that the Power LED is lit. 2. Verify that the Power LED turns red within a few seconds, indicating that the self-test is running. 3. After approximately 30 seconds, verify: • The Power LED is solid green. • The Internet LED is lit. • The Ethernet LED is lit for any local port that is connected to a computer. This LED indicates that a link has been established to the connected device. The LEDs on the front panel of the wireless modem router can be used for troubleshooting. Power LED Is Off or Blinking • Make sure that the power cord is securely connected to your wireless modem router and that the power adapter is securely connected to a functioning power outlet. • Make sure that you are using the 12V DC, 5A power adapter that NETGEAR supplied for this product. • If the Power LED blinks slowly and continuously, the wireless modem router firmware is corrupted. This situation can happen if a firmware upgrade is interrupted, or if the wireless modem router detects a problem with the firmware. If the error persists, you have a hardware problem. For recovery instructions, or help with a hardware problem, contact technical support at www.netgear.com/support. Power LED Stays Red When the wireless modem router is turned on, the Power LED turns red for about 20 seconds and then turns green. If the LED does not turn green, the wireless modem router has a problem. If the Power LED is still red one minute after you turn on power to the wireless modem router: 1. Turn the power off and back on to see if the wireless modem router recovers. 2. Press and hold the Restore Factory Settings button to return the wireless modem router to its factory settings. See Factory Settings on page 146. If the error persists, you might have a hardware problem and should contact technical support at www.netgear.com/support. Troubleshooting 136

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Troubleshooting
136
N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000
Troubleshoot with the LEDs
After you turn on power to the wireless modem router, the following sequence of events
should occur:
1.
When power is first applied, verify that the Power LED is lit.
2.
Verify that the Power LED turns red within a few seconds, indicating that the self-test is
running.
3.
After approximately 30 seconds, verify:
•
The Power LED is solid green.
•
The Internet LED is lit.
•
The Ethernet LED is lit for any local port that is connected to a computer. This LED
indicates that a link has been established to the connected device.
The LEDs on the front panel of the wireless modem router can be used for troubleshooting.
Power LED Is Off or Blinking
•
Make sure that the power cord is securely connected to your wireless modem router and
that the power adapter is securely connected to a functioning power outlet.
•
Make sure that you are using the 12V DC, 5A power adapter that NETGEAR supplied for
this product.
•
If the Power LED blinks slowly and continuously, the wireless modem router firmware is
corrupted. This situation can happen if a firmware upgrade is interrupted, or if the wireless
modem router detects a problem with the firmware. If the error persists, you have a
hardware problem. For recovery instructions, or help with a hardware problem, contact
technical support at
www.netgear.com/support
.
Power LED Stays Red
When the wireless modem router is turned on, the Power LED turns red for about 20 seconds
and then turns green. If the LED does not turn green, the wireless modem router has a
problem.
If the Power LED is still red one minute after you turn on power to the wireless modem router:
1.
Turn the power off and back on to see if the wireless modem router recovers.
2.
Press and hold the
Restore Factory Settings
button to return the wireless modem
router to its factory settings. See
Factory Settings
on page
146.
If the error persists, you might have a hardware problem and should contact technical
support at
www.netgear.com/support
.