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Roger that</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Friday, May 9, 2025 4:31 PM<br>
<b>To:</b> Marc Mcmullen <mcmullen@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</font>
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<p class="x_MsoNormal"><span style="font-size:11.0pt">Hi Marc,</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_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.</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt">Ching Him</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
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<p class="x_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</span></p>
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<p class="x_MsoNormal">Hi Ching, </p>
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<p class="x_MsoNormal">Next I would shutdown the Pi and carefully remove and reinstall the SD card and try to boot up. </p>
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<p class="x_MsoNormal">If it doesn’t work, then you will need a new SD card imaged with the needed software. </p>
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<p class="x_MsoNormal">We have the image on the Jlab drive, I will have to make you a new SD. </p>
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<p class="x_MsoNormal">I can bring it next week and we can look at it during a day shift scheduled access. </p>
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<p class="x_MsoNormal">Marc</p>
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<p class="x_MsoNormal">Get <a href="https://aka.ms/o0ukef">Outlook for iOS</a></p>
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<p class="x_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> </p>
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<p class="x_MsoNormal">Hi Brian </p>
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<p class="x_MsoNormal">Thank you. Yes, it is definitely HDMI port 0, that we are using. </p>
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<p class="x_MsoNormal">Ching Him</p>
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<p class="x_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> </p>
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<p class="x_MsoNormal">One other thing to make sure is that you’re plugged into HDMI port 0 rather than 1.</p>
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<p class="x_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> </p>
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<p class="x_MsoNormal">Hi Ching,</p>
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<p class="x_MsoNormal">That is the GPU test screen for a raspberry pi, usually if it gets stuck there it is because the SD has failed.</p>
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<p class="x_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> </p>
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<p class="x_MsoNormal">Hi Marc</p>
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<p class="x_MsoNormal">So I powered it on without the network cable. And this is what being shown on the display.</p>
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<p class="x_MsoNormal">I am not sure if this a good sign or not</p>
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<p class="x_MsoNormal">Ching Him</p>
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<p class="x_MsoNormal"><img border="0" width="4080" height="2296" id="x__x0000_i1027" alt="image/jpeg" style="width:42.5in; height:23.9166in" data-outlook-trace="F:1|T:1" src="cid:190103a3-c285-49cd-91ca-fb249caa34b3"></p>
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<p class="x_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></p>
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<p class="x_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).</span></p>
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<p class="x_MsoNormal"><span style="color:black">If that works, then plug in the network cable.</span></p>
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<p class="x_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></p>
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<p class="x_MsoNormal">Hi Marc</p>
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<p class="x_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.</p>
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<p class="x_MsoNormal">Do you have some suggestions?</p>
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<p class="x_MsoNormal">Thank you </p>
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<p class="x_MsoNormal">Ching Him </p>
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