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<p class="MsoNormal"><span style="font-size:11.0pt">Hi Marc,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I have tried that, but with no success… We will likely make an escorted access on Monday morning. Otherwise, we can wait till the maintenance day on Wednesday.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Ching Him<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Marc Mcmullen <mcmullen@jlab.org><br>
<b>Date: </b>Friday, May 9, 2025 at 4:25</span><span style="font-family:"Arial",sans-serif;color:black"> </span><span style="color:black">PM<br>
<b>To: </b>Ching Him Leung <cleung@jlab.org>, Brian Eng <beng@jlab.org>, Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject: </b>Re: [Dsg-hallc_gem] Hall c gem gas flow monitoring<o:p></o:p></span></p>
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<p class="MsoNormal">Hi Ching, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Next I would shutdown the Pi and carefully remove and reinstall the SD card and try to boot up. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If it doesn’t work, then you will need a new SD card imaged with the needed software. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We have the image on the Jlab drive, I will have to make you a new SD. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I can bring it next week and we can look at it during a day shift scheduled access. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Marc<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Get <a href="https://aka.ms/o0ukef">Outlook for iOS</a><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 4:07:48 PM<br>
<b>To:</b> Brian Eng <beng@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallc_gem] Hall c gem gas flow monitoring</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi Brian <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thank you. Yes, it is definitely HDMI port 0, that we are using. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Ching Him<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Brian Eng <beng@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 4:04 PM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallc_gem] Hall c gem gas flow monitoring</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">One other thing to make sure is that you’re plugged into HDMI port 0 rather than 1.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Brian Eng <beng@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 4:01:46 PM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallc_gem] Hall c gem gas flow monitoring</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi Ching,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">That is the GPU test screen for a raspberry pi, usually if it gets stuck there it is because the SD has failed.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Dsg-hallc_gem <dsg-hallc_gem-bounces@jlab.org> on behalf of Ching
Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 3:53:29 PM<br>
<b>To:</b> Marc Mcmullen <mcmullen@jlab.org>; Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallc_gem] Hall c gem gas flow monitoring</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi Marc<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">So I powered it on without the network cable. And this is what being shown on the display.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am not sure if this a good sign or not<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Ching Him<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><img border="0" width="4080" height="2296" style="width:42.5in;height:23.9166in" id="_x0000_i1027" src="cid:190103a3-c285-49cd-91ca-fb249caa34b3" alt="image/jpeg"><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Marc Mcmullen <mcmullen@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 1:30 PM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject:</b> Re: Hall c gem gas flow monitoring </span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="color:black">I would unplug it for a minute or two, disconnect the network cable. Power it back on with the display connected and see if it powers up and displays a normal Rpi screen (all without the network plugged in).<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">If that works, then plug in the network cable.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 12:49 PM<br>
<b>To:</b> Marc Mcmullen <mcmullen@jlab.org>; Dsg-hallc_gem@jlab.org <dsg-hallc_gem@jlab.org><br>
<b>Subject:</b> Hall c gem gas flow monitoring </span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi Marc<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We think there might be some issue with the rpi for GEM gas flow monitoring in hall c. We tried power cycling it, but it did not respond. We hook up a display to the rpi, but nothing shows up on the screen.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Do you have some suggestions?<o:p></o:p></p>
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<p class="MsoNormal">Thank you <o:p></o:p></p>
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<p class="MsoNormal">Ching Him <o:p></o:p></p>
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