We have found 5 possible solutions to your problem.
Before you start this troubleshooting guide you need to check one important thing:
Is your modem turned on?
Yes
No
Why do we ask this question?
It's important to find out if your modem is turned on. If you can't turn on your modem, you need to solve this problem first. When the problem is solved, you will most likely also be able to use your modem as a Wi-Fi hotspot.