Christ on a hula-hoop y'all are making hunter's laptop repair out to be something CONSPIRATORIAL!
Look this is how it works in the tech field for a normie (re boomer/gen x/clueless millenial):
1. My computer broke I don't have the skills to fix it.
2. Find computer repair shop to fix my computer.
3. Drop off laptop, sign papers, don't look at fine details, please fix my magic tech device.
4. Shop calls you up "Your gigaram was bad had to reinstall the OS with a new teraquad drive". You agree because this is all mumbojumbo to you. You want your magic device back.
5. You pickup your computer and go on with your day once it's fixed.
Now we know the laptop had an ASSET TAG on it. This identified it as part of the "Biden Foundation" or something to that nature. This laptop was probably (assuming smart corporation logic here) bought under the company, handed out to an "employee" and if/when it broke there's a certified shop that fixes said equipment that this business used. All of this is normal and smart business sense.
What is PLAUSABLE to happen is that Hunter not knowing shit about computers said "Hey my macbook is acting up where should I Take it to?" , corporation says "Take it to MacShop, they fix all our company stuff". He does this as he wants his MagicInternetDevice to work again. He's stored his entire life on there and in Apple's Cloud (He and the rest of the Biden clan all own iphones due to the end to end encryption and a macbook) so he can look at any of the pictures and emails on the macbook whenever. This is when the MacShop starts to do their diagnosis for repair.
MacShop Repair Timeline (assumption but normally valid):
1. Diagnosis begins to figure out the customers problem. Use the login/pw provided to diagnose issue.
2. Discover any problems as well as look to find other issues that you can bill for.
3. Uncover files that are 'questionable' (read: if you don't send this to Law Enforcement you are going to prison too) and you notify your boss
4. Call the FBI as this is a company asset, your local cops rarely get involved at this level as it's based on the Internet (crossing state/country lines) so it's a Federal action.
5. Make backups of the data just in case the laptop dies and you can't prove your point.
6. FBI comes and seizes equipment , takes statement from all people who looked at the laptop, goes into Federal Bureaucratic black hole.
At this point you do NOT notify the customer that the equipment is fixed. You do that ONLY in conjunction with law enforcement as the customer needs to retrieve their equipment to then show chain of possession and the fact that it is THEM who is picking it up. Hunter abandoning the equipment means the FBI had to do a bit more investigation into who owned the laptop, when, etc. etc.
At this point Hunter fucks off to who knows where, gets a new laptop, and reinstalls all his files therein as they are all in Apple's Cloud Ecosystem.
I am willing to put MONEY this is what happened. No conspiracy, no flying across the world, no QANON shit. A simple idiot user drops off their shitty equipment and then forgets about it.
EDIT: cleaned up wordage.