Search for troubleshooting codes. eg, "hp 14s-FQ blinking LED boot code" .
I'm not sure what is actually blink in the photo so you may need to alter the part type in the search term. eg, "Blinking battery LED" etc.
HP Pavilion 14-ce0505sa - Core i7 - 256GB SSD - 8GB Ram Coffee spilt on keyboard. Opened and dried out. Ram, SSD and battery tried in a different HP Pavilion 14 and all work fine, but in original (coffee) laptop the battery won't charge and it doesn't power on, but the charge light blinks...