Error: No instrument at Port 1

[jzcangshu]

This error happens after displaycal finishe its measurements. I came across this for several times, and happen to solve it twice either(By restarting my PC and reinstall the ArgyllCMS driver several times).

But this time it  didnt work.

I was using SoyderX Elite btw, and is in need of help. Thx

16:33:21,976 Computing update to calibration curves...
16:33:22,095 The instrument can be removed from the screen.
16:33:22,829 Written calibration file 'RV100Q #1 2025-02-10 16-29 D6500 2.2 F-S ↲
↳ XYZLUT+MTX.cal'
16:33:22,934 DisplayCAL: Reached EOF (OK)
16:33:22,934 dispcal exitcode: 0
16:33:22,994 --------------------------------------------------------------------------------
16:33:22,994 Session log: RV100Q #1 2025-02-10 16-29 D6500 2.2 F-S XYZLUT+MTX
16:33:22,994 
16:33:22,996 工作目录：
16:33:22,996 c:\
16:33:22,996 users\
16:33:22,997 jzcan\
16:33:22,997 appdata\
16:33:22,997 local\
16:33:22,997 temp\
16:33:22,997 DisplayCAL-0gb1k1\
16:33:22,999 
16:33:22,999 命令行：
16:33:22,999 C:\Users\jzcan\AppData\Roaming\DisplayCAL\dl\bin\dispread.exe
16:33:22,999 -v
16:33:22,999 -d1
16:33:22,999 -c1
16:33:23,000 -ye
16:33:23,000 "-P0.491675338189,0.547381546135,1.48717948718"
16:33:23,000 -N
16:33:23,000 -k
16:33:23,000 "RV100Q #1 2025-02-10 16-29 D6500 2.2 F-S XYZLUT+MTX.cal"
16:33:23,000 "RV100Q #1 2025-02-10 16-29 D6500 2.2 F-S XYZLUT+MTX"
16:33:23,000 
16:33:23,267 DisplayCAL: Starting interaction with subprocess
16:33:23,269 dispread: Error - No instrument at port 1
16:33:23,374 DisplayCAL: Reached EOF (OK)
16:33:23,374 dispread exitcode: 1

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[Kuba Trybowski]

Try updating Argyll to the latest latest version (3.3): https://www.argyllcms.com

Your flashing avatar is very unpleasant to look at. Please use either a static image or a more subtle animation that’s easier on the viewer’s eyes.

[Vincent]

Additionaly to Kuba’s suggestions, try to find is some app in task manager catches device between different commandline calls to argyllCMS. Try to disable all datacolor software preventing it from running on startup.

[Author]

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