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#11
When you boot from a USB drive like MR rescue disk, it loads a OS that can be WinPE or even Linux.
I don't have a USB MR rescue disk drive so I can't say what it has.
Lets suppose it has WinPE. You can install the network drivers. Open disk manager and look for yellow alerts of missing drivers.
Update your Lan and Wan driver.
Unfortunately, all changes will be lost, as WinPE runs on a RAM disk.