<div dir="ltr">As I've said before, you need to log the temperature. A runaway fan might happen AFTER the box freezes, not while. The two may, or may not, be related.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 12 Mar 2024 at 16:32, gavinwc <<a href="mailto:gavin.chester@gmail.com">gavin.chester@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr">Thanks for your ideas, Locky. And again, the previous responders. </div><div dir="ltr"><br></div><div dir="ltr">I haven't had a chance to do the fault-finding and logging that has been suggested, but I am now suspectng that what it might reveal is thermal "runaway" with the cpu. As said originally, this is a little intel nuc box (on the back of the monitor), and into that I've crammed a 12th gen i7 with 64Gb ram and 2Tb ssd. As it so happens just before reading the latest response the system went into unresponsive mode with blank screen again. Only a hard reset gets it back again. </div><div dir="ltr"><br></div><div dir="ltr">Immediately before this episode the tiny nuc box's fan was going flat out because I'd spent a wasted few hours going down rabbit holes on youtube videos, one after the other. The nuc external casing was almost too hot to touch. Me thinks now that it was thermal shutdown and I will have to investigate extra cooling for this box. <br></div><div dir="ltr"><br></div><div>Occam's razor, do you think?</div><div><br></div><div>Thanks,</div><div>Gavin<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 12 Mar 2024 at 12:47, lhuck <<a href="mailto:lhuck@proton.me" target="_blank">lhuck@proton.me</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="font-family:Arial,sans-serif;font-size:14px">My 'two cents' would be to check what GPU driver is being used, then try a different one and see if the problem repeats.<br></div><div style="font-family:Arial,sans-serif;font-size:14px"><br></div>
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<div>Best of luck,</div><div>Locky<br></div>
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On Friday, March 1st, 2024 at 2:11 PM, Onno Benschop <<a href="mailto:onno@itmaze.com.au" target="_blank">onno@itmaze.com.au</a>> wrote:<br>
<blockquote type="cite">
<div dir="ltr">Couple of things come to mind, none of them a smoking gun:<div><ul><li>If the computer is connected via HDMI and the cable is bad, all manner of fun things can happen.</li><li>Is power saving turned on somewhere and is it activating when the user does nothing?</li><li>Is the device being overloaded and is the machine freezing to protect itself from magic smoke escaping.</li><li>If the machine is unresponsive, is it unreachable through the network - ie. can you ssh into it?</li><li>dmesg -T will give you a human readable time stamped kernel log if you can get it. You might want to log it to disk using cron every minute while you're trying to discover what's wrong.</li><li>You can also log CPU/GPU temperatures to a file and see what happens.</li><li>Is the user changing video mode, or is a screensaver doing this for them?</li></ul></div></div><br><div class="gmail_quote"><div class="gmail_attr" dir="ltr">On Fri, 1 Mar 2024 at 12:09, gavinwc <<a href="mailto:gavin.chester@gmail.com" rel="noreferrer nofollow noopener" target="_blank">gavin.chester@gmail.com</a>> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"><div dir="ltr">Hi folks,<div><br></div><div>Not sitting at the offending PC at the moment, so can't give any specifics on SW versions, etc at this time, sorry. </div><div><br></div><div>Running up-to-date Mint on some heavy i7 NUC HW with a Dell 27" monitor. Every now and then, usually when trying to launch some full-screen video, the monitor blanks to just the backlight glow, the NUC fan speeds up and the keyboard is unresponsive. Because of the last factor, no amount of cntrl+BS, ctrl+alt+del, or trying to open a VT works. I have to do a hard reset. Any ideas of any other HW / keyboard options I can try, or even better, if there is a setting I need to look at to prevent this happening?</div><div><br></div><div>Thanks.</div><div><br></div><div>Gavin </div></div>
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PLUG Membership: <a href="http://www.plug.org.au/membership" rel="noreferrer" target="_blank">http://www.plug.org.au/membership</a></blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr">Onno Benschop<br><br>()/)/)() ..ASCII for Onno..<br>|>>? ..EBCDIC for Onno..<br>--- -. -. --- ..Morse for Onno..<br><br><span style="color:rgb(136,136,136)">If you need to know: "What computer should I buy?" </span><a href="http://goo.gl/spsb66" style="color:rgb(17,85,204)" target="_blank">http://goo.gl/spsb66</a><div><br>ITmaze - ABN: 56 178 057 063 - ph: 04 1219 8888 - <a href="mailto:onno@itmaze.com.au" target="_blank">onno@itmaze.com.au</a></div></div></div>