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Question:
The two most likely reasons for odd characters appearing on the screen when typing with an external keyboard connected are:
- The driver is corrupted and needs to be updated/replaced: A corrupted or outdated keyboard driver can result in improper keyboard input, leading to the appearance of odd characters on the screen. Updating or replacing the driver should be considered as a potential solution.
- The ribbon cable is partially disconnected and needs to be reseated: The ribbon cable connects the laptop's keyboard to the motherboard. If the cable is partially disconnected or loose, it can cause erratic keyboard behavior and result in the display of odd characters. Reseating the ribbon cable, ensuring it is securely connected, may resolve the issue.