Documentation

C3 Recovery Tool Applicable for versions 4.x
Introduction The C3 recovery tool is meant to help engineers verify and reset the basic WAN, LAN and WIFI configurations of the C3 appliance. The tool is ...
Tue, 1 Jul, 2025 at 11:13 PM
Common Troubleshooting Procedures Applicable to all versions
The following document details some of the most common troubleshooting actions on the C3, mostly related to dificultes in accessing the C3.
Tue, 1 Jul, 2025 at 11:08 PM
Recovering the C3 Filesystem Applicable to all versions
In some rare situations, namely when power suddenly breaks and the C3 was writing data to the disk, the C3 filesystem gets corrupted and into a situation th...
Tue, 1 Jul, 2025 at 11:07 PM
My C3 Micro-Cloud WiFi doesn't appear Applicable to all versions
If you have started your C3 Micro-Cloud but after a few minutes you can't see the WiFi network using a laptop, a cell phone or a tablet, there are a few...
Tue, 1 Jul, 2025 at 11:09 PM
Troubleshooting WiFi Access Point issues Applicable to all versions
These steps assume that you are using a C3-H2, meaning, there are two network ports, one labelled as WAN and another as LAN. Start by connecting a net...
Tue, 1 Jul, 2025 at 11:10 PM
Moodle failed to unserialize data error
C3 Micro-Cloud 4.7.x and 4.8.x These instructions are valid for C3 Micro-Cloud installations with version 4.0.x up to 4.8.x. C3 Micro-Cloud 5.0 and supe...
Wed, 10 Apr, 2024 at 9:40 PM
C3 showing up unlicensed after clock change Applicable to all versions
If for some reason you have decided to manually change the C3 Micro-Cloud clock, after booting the device will probably show a message stating that the devi...
Tue, 1 Jul, 2025 at 11:13 PM
Unit not powering on, this is Applicable to all versions
If you have a unit that is not powering on at all, there are still a couple of troubleshooting steps that you can take in order to determine if the unit rea...
Tue, 1 Jul, 2025 at 11:11 PM
C3 Support App Applicable for versions higher than 4.8
You can download an application created to specifically assist with most common C3 Micro-Cloud operations. It can be downloaded from here: C3 Support Ap...
Tue, 1 Jul, 2025 at 11:15 PM
C3 Micro-Cloud Profile
Software Version Language C3 Micro-Cloud Profile 6.X Administrator Teacher English https://critical-links.com/wp-content/uploads/2025/06/E...
Thu, 26 Jun, 2025 at 5:41 AM