How do you figure? MACRORIT says it's for SSD's but no mention of NVMe. https://macrorit.com/disk-surface-test/disk-surface-test.html
I would not trust the test, it appears to be more aimed at mechanical drives. Seems like an odd source for reading NVMe drives.
Can you post a screenshot using CrystalDiskInfo running 8.9.0a: https://crystalmark.info/en/download/ (Vista installer)
Under "Function" you can Hide Serial Number (always a good thing)
EDIT: also under Function>Advance Feature>Raw Values> (set: 10 [DEC] )
We're all assuming that his 2012 laptop doesn't have a Whitelist excluding other cards. But assuming he got by any bios configuration on boot-up, then it could be just a matter of drivers and clearing out the old.
Another leap forward in adapters might cause more issues??? He also didn't...
You loaded these???: https://downloadcenter.intel.com/download/28621/Intel-PROSet-Wireless-Software-and-Drivers-for-Intel-Wireless-7260-Family
And you uninstalled the old drivers???
And you did this from a CMD prompt as Administrator: netsh int ip reset
Then you re-added your ssid and...