# Very high temperatures after UmbrelOS 2.0 upgrade **URL:** \ **Category:** Support and Troubleshooting\ **Created:** [September 23, 2026, 6:57pm UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507 "2026-09-23T18:57:52Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![umbrelio](https://avatars.discourse-cdn.com/v4/letter/u/ba9def/32.png) [@umbrelio](https://community.umbrel.com/u/umbrelio)\ **Post date:** [September 23, 2026, 6:57pm UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/1 "2026-09-23T18:57:52Z")
![image](https://canada1.discourse-cdn.com/flex030/uploads/getumbrel/original/2X/b/bf1e9407de905cddd8a5f16d1eb7dc32dc00f0e3.png) CPU working above 80 degrees after upgrade. Be carefull! After 2.0: cat /sys/class/thermal/thermal\_zone\*/temp 27800 85000 (85ºC Av. Temp.) On 1.7.4: at /sys/class/thermal/thermal\_zone\*/temp 27800 50000 (50ºC Av. Temp.) Is there anything I can do to get it working again at temperatures below 60 degrees? ---
**Author:** ![stinger32](https://avatars.discourse-cdn.com/v4/letter/s/278dde/32.png) [@stinger32](https://community.umbrel.com/u/stinger32)\ **Post date:** [September 23, 2026, 11:34pm UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/2 "2026-09-23T23:34:25Z")
I’m curious about the CPU usage and which processes are using it. Also, what device is it on? Is it still doing it? ---
**Author:** ![SudCali](https://avatars.discourse-cdn.com/v4/letter/s/ce7236/32.png) [@SudCali](https://community.umbrel.com/u/SudCali)\ **Post date:** [September 24, 2026, 7:53am UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/3 "2026-09-24T07:53:25Z")
did cmd\> top show anything interesting ?.. ---
**Author:** ![aidencole](https://avatars.discourse-cdn.com/v4/letter/a/ce73a5/32.png) [@aidencole](https://community.umbrel.com/u/aidencole)\ **Post date:** [September 24, 2026, 10:49am UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/4 "2026-09-24T10:49:10Z")
Most likely it’s the initial indexing for the faster file search, new Photos app, etc. keeping the CPU busy after the upgrade. I’d give it a couple of hours to finish, though it could take longer if you have lots of files. Temperatures should hopefully settle back down once that’s done. If it’s still running that hot after that, checking what’s using the CPU in `top`, as suggested above, would be a good next step. ---
**Author:** ![vnt](https://avatars.discourse-cdn.com/v4/letter/v/b5e925/32.png) [@vnt](https://community.umbrel.com/u/vnt)\ **Post date:** [September 24, 2026, 1:47pm UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/5 "2026-09-24T13:47:57Z")
what is your hardware? I have no problem like that here…running at 39°. What’s your outside temperature? ![image](https://canada1.discourse-cdn.com/flex030/uploads/getumbrel/original/2X/5/533c23f06843146ddd6fb4ae93185a20804adefa.png) ---
**Author:** ![umbrelio](https://avatars.discourse-cdn.com/v4/letter/u/ba9def/32.png) [@umbrelio](https://community.umbrel.com/u/umbrelio)\ **Post date:** [September 25, 2026, 2:10am UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/6 "2026-09-25T02:10:53Z")
processor : 5 vendor\_id : GenuineIntel cpu family : 6 model : 158 model name : Intel(R) Core™ i5-8500 CPU @ 3.00GHz stepping : 10 microcode : 0xfa cpu MHz : 900.005 cache size : 9216 KB free -h total used free shared buff/cache available Mem: 31Gi 13Gi 910Mi 789Mi 19Gi 17Gi Swap: 23Gi 2.0Gi 21Gi ---
**Author:** ![umbrelio](https://avatars.discourse-cdn.com/v4/letter/u/ba9def/32.png) [@umbrelio](https://community.umbrel.com/u/umbrelio)\ **Post date:** [September 25, 2026, 2:13am UTC](https://community.umbrel.com/t/very-high-temperatures-after-umbrelos-2-0-upgrade/25507/7 "2026-09-25T02:13:38Z")
That was the case. The process consuming all the CPU was ‘node’, and apparently, it was the indexing mentioned earlier.