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Figure 1. Device Manager Example 1.Figure 2. Device Manager Example 2.
Figure 3. Command without Administrator Privileges.
It can be determined that the machine is in native PCIe mode when one of the ports in Windows Device Manager mentions the use of the PCI Express standard. (see examples in "Issue Details").To revert back to native PCIe mode use the command: bcdedit /set pciexpress default
Figure 5. Command to Revert System Settings.
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