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On 17/04/17 15:55, Neil wrote: >> The PC has wired network right? > Yes. > > And I believe you've got a SSD boot >> drive (which will be completely silent) > > yes > > and a spinning HDD in there? > > No, just one hard drive, the SSD. > > My emails don't seem to be getting through. > > Neil Hi - they are getting through to me, just not particularly quickly. Not only have I been noticing that my emails to the list are sometimes taking a long time to go through recently (change on the list software perhaps?) but I am also using a Microsoft live.com account of course which at first seemed amusing and mildly intentionally provocative for a Linux group but now the joke might be on me I guess.... Compared to my various other accounts with providers such as Google my live.com address is... well, crap, to be honest. C'est la vie. Sooo, anyway. That means listening to your PC won't help (normally we listen for the telltale signs of of the noisy platters spinning up and chugging away). Never mind that then. Do you know what I mean by the TX/RX lights on the network port? Right where you plug in the ethernet round the back there will be tiny green and orange lights embedded right by the socket itself: look for them flashing on and off whilst you boot it up and shortly afterwards. If they stay on and keep flashing regularly, that definitely means something is happening inside the box. From before, did you end up enabling SSH on this machine? I'm sure you did at some point following on from some other issue ages ago. You can quite possibly ping or even SSH to the PC if it's coming up and booting as per normal, just with a blank screen. That's relatively common by the way - if your defaulted UEFI has gone back to 'strict' settings and not enabled CSM compatibility, it may refuse to talk to your monitor without a tweak or two. And yes, that is pretty stupid, but I've seen it on my main workstation actually. There is also a fallback UEFI display mode where it likes to output in 1024x768 instead of full HD unless a setting is toggled - which some modern LCD monitors of course don't like (my stupid motherboard did that as well many buggy UEFIs ago). Whilst I'm overwhelming you with questions, do you know off the top of your head if you have an extra graphics card in that PC? You'll have a on-CPU basic Intel gfx unit that outputs via the connectors on your motherboard and presumably an add-on proper graphics card from Nvidia or AMD that fits into a PCIe slot. That's what your monitor is plugged into right now I guess. The defaulted UEFI is probably trying to output to the onboard graphics at the moment, hence the blank screen. Feel free to take a pic of the business end of your PC if you haven't already and include it next email (or send it to me offlist) to make things clearer. Next job would probably be to unplug your monitor and try it on the onboard connectors. Again, fear not! We do have opposable thumbs unlike our computer overlords, which means we're pretty much destined to win 1 on 1 fights with them everytime, at least until Skynet comes online. It might be trying to wind you up right now, but we will triumph over it. Cheers -- The Mailing List for the Devon & Cornwall LUG https://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq