You cannot modify the values in cpu-z.
You cannot modify the values in cpu-z.
When using cpu-z on your Inspiron 531 desktop, you're unable to modify certain parameters like the multiplier. To update these settings, you'll need to access the program's configuration options directly within the software.
CPU-Z isn't an OC tool, and it's unlikely you can modify the BIOS on a ready-made HP computer.
You're not allowed. This tool just displays details about your device.