Boot error: 0183 Bad CRC Security Settings in EFI variable
Lenovo Thinkpad Yoga 11e
After recent windows updates, Stuck at boot
error : 0183 Bad CRC of security settings in EFI variable
Run the ThinkPad Setup program check if this resolves the problem.
Turn on the computer. When the logo screen is displayed, press F1. The ThinkPad Setup program starts.
The settings will be corrected automatically. Then save the current settings by pressing F10.
Hi @mjsb97 ,
Don’t know but perhaps you could check that the coin cell RTC (Real Time Clock) battery is OK. Its function is to maintain the BIOS settings when the laptop is off and I’ve come across other problems in other laptops, when this battery is low e.g. doesn’t start etc. due to corrupted BIOS settings.
Given that the laptop is a fairly new release it should be OK as these batteries usually last for about 5 years.
Here’s the hardware maintenance manual for the laptop. Go to the bottom of p.75 to view the necessary pre-requisite steps and then the procedure to remove the coin cell battery.
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