Computer not recognising monitor or tv

This is the second time this has happened and was fixed last time by taking to a local shop. think it was something to do with the setup or booting maybe?keen to not go back again as it appears to be a reoccurring issue.

Anyone have any ideas why the computer isn't picking up through the vga and the hdmi?
 
Bad or loose cables?

Setup in BIOS sending signal to another GPU port or slot or card (perhaps the IGP on the CPU?)?

Suggest you review 'setup' in your manual (could be system manual or the motherboard manual, depending on what you bought and where).

To be more help than that, you have to describe your system and give some detail about how it operates up to the point it fails to do what you expect.
 
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