Why does my nextbook shut down because of overheating?

If your Amana dryer shuts down after about 20 minutes and restarts after it cools down, there could be a problem with the thermal fuse, which is designed to prevent the dryer from overheating. Here are some steps you can take to troubleshoot the issue:

1. Check the thermal fuse: Use a multimeter to test the thermal fuse for continuity. If the thermal fuse is blown, replace it with a new one.
2. Check the dryer vent: A clogged or restricted dryer vent can cause the dryer to overheat and shut down. Clean the dryer vent to remove any lint or debris.
3. Check the cycling thermostat: The cycling thermostat controls the temperature inside the dryer. If it's not working properly, it could cause the dryer to overheat. Test the thermostat for continuity and replace it if necessary.
4. Check the heating element: A broken or defective heating element can cause the dryer to overheat. Use a multimeter to test the heating element for continuity.

If none of these steps resolves the issue, it's best to contact a professional technician to diagnose and repair the problem.

either your power adapter os faulty or the cooling fan inside the laptop had failed forcing the laptop to shut down as safety precaution.

Sounds like you are overheating. One way to tell if it's overheating is you say it will run for about 30 minutes then shuts down. When it shuts down try rebooting to see if the boots successfully. If it fails to boot successfully right after it shut down then you are probably overheating. If you wait awhile to let it cool down for 30 minutes or so and if you reboot and it does it successfully you definitely have a overheating problem. If I remember correctly all those compaq sr series have loud and fast running fans. Computers overheat because of three reasons for the most part: 1) A fan has stopped working. 2) The Thermal Paste on the CPU and Heat Sink has dried up or is not thick enough to keep the unit cool. 3) Dust has clogged the fan vents and inside the computer. Fortunately for you desktops don't have to be completely disassembled like laptops to get to the fan, CPU and heatsink. Just pop the case and you'll see the components attached to the motherboard

To avoid laptop overheating, follow the information from this link.

Have you ever used canned air or a vacuum on the vents and the fan? Those vents get clogged and cause the unit to overheat from a lack of air movement.

you have set ur computer to sleep or hibernate after 30 minutes of inactivity. you can customize this in you power setting.

Control Panel-> Power Options

Wrap it in a couple of towels and let it run, 10-15 minutes, it will overheat and shut down and the three red lights will be flashing, then turn it off, let it cool, 15-30 minutes, turn it back on and bam, it should work, granted its not a permanent thing but it will work from a week-month, from then on the red ring of death will appear when it shuts down instead of the 2 lights, and you can either fix it yourself, do the towel trick again, or just send it to Microsoft if the warranty is still intact. trust me it works.

Is the unit free of dust and debris from dust? If its overheating there are may factors that play in this

1. fan spinning but not enought RPM rotations per min ( not fast enough)
2. room temp
3. dust

other then that some capictors must have exploded inside withc will cause a overheat.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

Usually when a CPU overheats it shuts down and after it cools down you can re-boot it again.
Continual overheating will eventually cause the CPU to fail.

The overheating is usually caused by blocked vents and or dust build up on the heatsink and/or fan. Remove this dust from the heatsink and fan and this should fix your overheating problem, unless you have a faulty fan, in this case you will need to replace the fan.

havent seen too many of these overheating but try and give it more space to breath and also check all speaker connections to make sure no stray wires,.