S1 Service Draiver Skachat -

: Hold Shift while clicking Restart . Go to Troubleshoot > Advanced options > Startup Settings > Restart . Press 7 or F7 to "Disable driver signature enforcement".

Since this is a legacy driver, it is often bundled with specific Sony service tools or available on community databases: s1 service draiver skachat

: 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. : Hold Shift while clicking Restart