Answer to "Why won't my camera turn on?"This kind of issue is caused by a faulty battery or the motherboard isn't receiving a power signal from the battery. Please go over the troubleshooting steps here. If none of these steps help and the GoPro still isn't turning on, I would advise contacting the Support team.
Answer to "Why is my screen flickering?"This issue is usually caused by an incompatible or faulty video driver, for more information regarding this problem, please refer to the troubleshooting page