HP PC Hardware Diagnostics UEFI" upon startup - not sure wh... - HP Support Community - 6771137
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I booted up my laptop and was greeted with this message. What is this thing? : r/ITSupport
![5 Best Hardware Diagnostic Tools for PC [Tested by Experts]](https://cdn.windowsreport.com/wp-content/uploads/2021/08/Best-hardware-diagnostic-tools-for-PC.jpg "5 Best Hardware Diagnostic Tools for PC [Tested by Experts]")