r/thinkpad•
balsoft

T490s "Fan error" after updates

Question / Problem
$ fwupdmgr update
No upgrades for System Firmware, current is 0.1.55: 0.1.51=older
Upgrade available for UEFI Device Firmware from 192.35.1427 to 192.47.1524
20NX000FRT must remain plugged into a power source for the duration of the update to avoid damage. Continue with update? [Y|n]: Y
Downloading 192.47.1524 for UEFI Device Firmware...
Decompressing…           [***************************************]
Authenticating…          [***************************************]
Updating UEFI Device Firmware…                                   ]
Scheduling…              [***************************************]
Successfully installed firmware
Upgrade available for UEFI Device Firmware from 0.1.12 to 0.1.15
20NX000FRT must remain plugged into a power source for the duration of the update to avoid damage. Continue with update? [Y|n]: Y
Downloading 0.1.15 for UEFI Device Firmware...
Decompressing…           [***************************************]
Authenticating…          [***************************************]
Updating UEFI Device Firmware…                                   ]
Scheduling…              [***************************************]
Successfully installed firmware

An update requires a reboot to complete. Restart now? [Y|n]: n

After reboot I was greeted with no sound of fan spinning and "Fan error" message. I got a little scared, but then rebooted and it went to normal (but versions were rolled back). In my finite wisdom, I ran the command again just now, and will reboot and report on the results. How do I fix this problem on newer software versions? Do I just wait for Lenovo to fix it?

Posted Dec 28, 2019, 7:55 PM UTC

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[deleted]•

[removed]

1
balsoftOPT490s:T420:T61•

After second attempt and reboot, it updated normally and now everything works. Hope this helps if anybody's worried about the error.

1