20 lines
741 B
Markdown
20 lines
741 B
Markdown
# Troubleshooting
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## Q: I have a problem
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A: look at the PCB, on all rusEFI boards we expect blue LED to always blink
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## Q: How do I open Device Manager on Windows?
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A: rusEFI console splash screen has "Device Manager" icon, please click it.
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## Q: I have no blue LED blinking
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A: Do you have power? Do you have any LED lights? Do you have USB cable? On all modern units we have a PROG button. Power cycle your unit while connected to PC while holding PROG button, your PC should report STM32 BOOTLOADER in device manager.
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## Q: I see blue blinking LED but nothing on device manager
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A: Make sure your USB cable is proper data cable not evil charge-only cable.
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See also [Troubleshooting-older-Frankenso](Troubleshooting-older-Frankenso)
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