Are you getting this error "The system will restart in 5 minutes to install a firmware update" in your Lenovo Laptop?
This error was caused due to wd_da4xxx_service.exe located in C:\windows\System32\drivers\ Directory.
To solve the error you have to disable this service from running.
Step 1: Disable The Process using Services
Open Taskmanager and search this program and right-click the mouse button and go to services and disable the Services, your problem is solved.
Step 2: Roll Back Driver
Open Device Manager, expand Firmware and Storage Firmware Update(SanDiskDA$BH) Right click, go to properties, and roll back the Driver.
I hope this helped solve Lenevo Restart Firmware Update Error.