My relative has a problem when he tried to boot up his old MacBook pro, and I'm not a mac user so I can't help him. Can anyone help solve this? Thanks :
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![Solved] MacBook Pro won't boot from internal hard drive](https://iboysoft.com/images/en-mac-data-recovery/macbook-pro-wont-boot-from-internal-hard-drive/summary-macbook-pro-hard-drive-not-booting.png "Solved] MacBook Pro won't boot from internal hard drive")
Solved] MacBook Pro won't boot from internal hard drive
![10 Ways] Fix MacBook Pro Won't Turn on/Start/Boot up - 2023 Updated](https://4ddig.tenorshare.com/images/mac-data-recovery/crashed-mac.jpg?w=640&h=528 "10 Ways] Fix MacBook Pro Won't Turn on/Start/Boot up - 2023 Updated")