Hi AgentAnt,
The Blue screen issue could be either hardware or a software issue. You could use the Microsoft debugging tools to check the same. Please refer to the below link.
Also run a diagnostics to check for any hardware issues on the system. Please follow the steps below to run the diagnostics.
Turn the computer off >restart the computer.
At the Dell logo screen, start tapping the F12 key a few times until you see the ‘One Time Boot Menu’ appear.
At the one time boot menu, press the down arrow key to highlight ‘Diagnostic’, and then press Enter to begin the diagnostics.
You can also refer to the link below.
You wouldn’t need any hardware maintenance and cleaning the air vents once in a while should help you.