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: Hold Shift while clicking Restart . Go to Troubleshoot > Advanced options > Startup Settings > Restart . Press 7 or F7 to "Disable driver signature enforcement".
: Ensure you are using a high-quality USB cable and try a USB 2.0 port instead of USB 3.0, as legacy flash drivers can be sensitive to newer port speeds.
: For specific notebook components (like the P17SM), drivers are sometimes listed on sites like DriverIdentifier . 2. How to Install (Windows 10/11)
: While mostly discontinued, legacy versions of the Sony support utility originally provided these drivers.
: Select Update driver > Browse my computer for drivers > Let me pick from a list .
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: Hold Shift while clicking Restart . Go to Troubleshoot > Advanced options > Startup Settings > Restart . Press 7 or F7 to "Disable driver signature enforcement".
: Ensure you are using a high-quality USB cable and try a USB 2.0 port instead of USB 3.0, as legacy flash drivers can be sensitive to newer port speeds.
: For specific notebook components (like the P17SM), drivers are sometimes listed on sites like DriverIdentifier . 2. How to Install (Windows 10/11)
: While mostly discontinued, legacy versions of the Sony support utility originally provided these drivers.
: Select Update driver > Browse my computer for drivers > Let me pick from a list .