How to fix sporadic dropouts on a FRITZ!Box

crwdns2936071:01crwdne2936071:0 — Reading the log

Note the date and time of the last Internet outage.

crwdns2936071:02crwdne2936071:0 — Self test of the FritzBox

Start a self test of the FritzBox to make sure that the error does not lie with the FritzBox.

crwdns2936071:03crwdne2936071:0 — Determine the type of power supply

Look at the power supply of your FritzBox. If it is the power supply shown here, there is a good chance that it is the described problem.

crwdns2936071:04crwdne2936071:0 — Select new power supply

If the previous points apply, a replacement of the power supply will probably help.

crwdns2936071:05crwdne2936071:0 — Replacing the power supply

Unplug the old power supply from the power outlet.