Checking your CPU temperature is quite easy and can be done within Windows.
Download and install Core Temp.
Don’t be scared if your CPU reaches 70 or 75 degrees C, it may be a little high but still normal.
At 85 Degrees you will get a warning (Temperature text goes yellow)
At closer to 95+ degrees you may get a warning buzzer and the system will shut down – protecting itself from damage.
Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.
What makes Core Temp unique is the way it works. It is capable of displaying a temperature of each individual core of every processor in your system!
You can see temperature fluctuations in real time with varying workloads.
It might be time to clean your CPU Heatsink & Fan!!! – Use a soft brush to remove the dust, better still use compressed air.
It might also pay to check your CPU usage while the computer is idling.
Press ALT-CTRL-DEL keys at the same time and then select TASK MANAGER
In Windows 10 you may need to click on MORE DETAILS – then PERFORMANCE
If your computer is just idling and the CPU is nearly always at 100%, then it is a very good chance you have a Virus or Trojan on the system.
Time to format the hard drive and do a fresh install of Windows – a System Restore can help but is unlikely, a full reinstall is probably what is necessary.
The same can be done for your graphics card….
Download and install GPU Temp
You may need to run this program as an Administrator (right click on the desktop icon)
Most graphics cards can go as high as 120 degrees before they cut out to protect themselves.
The screen just usually goes black.