Dependingon its nature, the issue may be with 1. Display (connect an external display to check) 2. UPS (you may be using incompatible UPS, try disconnecting it for a few seconds and see if any changes occur) 3. Probe (try reconnecting, connecting to another port, or checking using another device if possible) 4. Device (in case these faults are present on all the probes in different ports, the device itself may be faulty)
If you work without UPS
1. There was an AC power mains failure (power surge), in that case, try rebooting the system.
2. The power supply may have been interrupted, check if power is available in the power mains.
If you operate the device using the UPS, make sure the UPS is functional.
In both cases, pay attention what actions cause the system shut down and if any messages (errors) were returned, in most cases this is due to system overheating, and it is necessary to perform preventive cleaning, etc.
If none of the keys respond, it is most likely the connector issue, try reconnecting if possible. If only certain keys do not respond, try to disassemble the keyboard and clean it if you have a user manual.
Depending on its nature, the issue may be with: 1. Display (connect an external display to check) 2. UPS (you may be using incompatible UPS, try disconnecting it for a few seconds and see if any changes occur) 3. Probe (try reconnecting, connecting to another port, or checking using another device if possible) 4. Device (in case these faults are present on all the probes in different ports, the device itself may be faulty)
If you work without UPS:
1. There was an AC power mains failure (power surge), in that case, try rebooting the system.
2. The power supply may have been interrupted, check if power is available in the power mains.
If you operate the device using the UPS, make sure the UPS is functional.
In both cases, pay attention what actions cause the system shut down and if any messages (errors) were returned, in most cases this is due to system overheating, and it is necessary to perform preventive cleaning, etc.
If you need boards and blocks repair services, schedule an appointment with experts from all over the world for free advice. They will help you diagnose a device malfunction and choose the optimal solution.
The touch panel on the Xario sounds like it may have a loose cable, so I would disassemble the user interface and examine all connections. As far as a service manual, I would recommend you contact the manufacturer.
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