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Question:

OBU device indicator light, red and yellow lights flash together, what's the matter?

OBU device indicator light, red and yellow lights flash together, what's the matter?

Answer:

First, you need to type in the Disk Cleanup command and run it in the Cortana search box in the lower left corner of the screen
But never mind, Windows 10 comes with the disk cleanup feature to help you release large amounts of storage space minutes.
Like the Windows, the Windows 10 upgrade by way of online will leave the old version of the backup file in C, these "trash" takes a lot of hard disk space, make emergency C.

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