Blur is not an option in Zoom program - because it thinks the CPU speed is 0 GHz?

Forum|Forum|14 hours ago
July 20, 2026
2 replies
41 views

The Zoom program on one PC here does not have the option to blur the background in video calls. It offers three backgrounds (Golden Gate bridge, grass, sunrise over Earth) but none of them work when selected. Everything else I have tried in Zoom works on it and it will do calls fine.

All use Zoom version 7.1.0 (3715) on Linux. One is running Ubuntu MATE 24.06, the other three Linux Mint, based on Ubuntu 24.06, including the one that doesn’t work.

If I look at the settings / statistics page, something is odd with the CPU info…

Intel i3 PC, 4 cores, 3.6 GHz. Works.
Intel i3 PC, 2 cores, 2.0 GHz. Works.
Ryzen 5 PC, 6 cores, 3.6 GHz. Works
Ryzen 3 PC, 4 cores. 0 GHz. This is the one that doesn’t!

Why would it show a 0 GHz CPU speed? How is it working out the CPU speed?

Is this why the backgrounds don’t work / blur is not offered, because Zoom doesn’t think there’s enough CPU power to do it? (For everything else, it’s seen as a much faster PC than the two core i3 one.)

J

JitsiAuthor

New Member

Same behaviour with the version that Zoom’s just been updated to: 7.1.5 (4332).

Y

yong_liu

Employee

@Jitsi Could you please provide more detailed information about the computer model and its specifications?

Y

yong_liu

Employee

Copy the shell command below and run it in your terminal to retrieve CPU information.

printf '== CPU ==\n'; lscpu | grep -E 'Model name:|CPU\(s\):|CPU max MHz:|CPU min MHz:|CPU MHz:'; printf '\n== /proc/cpuinfo MHz ==\n'; awk -F: '/^cpu MHz/ {gsub(/ /, "", $2); print $2 " MHz"; exit}' /proc/cpuinfo; printf '\n== CPUFreq ==\n'; for f in scaling_driver scaling_cur_freq cpuinfo_max_freq; do printf '%s: ' "$f"; cat "/sys/devices/system/cpu/cpu0/cpufreq/$f" 2>/dev/null || echo '<unavailable>'; done

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