Please provide the system model and the operating system installed on the system.
Meanwhile, turn of the system. Unplug the power adapter and remove the battery (incase of laptop). Press and hold power button for 10 seconds. Plugin the power adapter and turn on the system.
In case of beep codes, let me know the sequence of beeps.
If the system boots to Windows, troubleshoot the quicken problem by performing clean boot. Please refer to the link mentioned below:
You may also try uninstalling and re-installing the software.
Thanks & Regards