My surface 4 ghost typing 7yapgb and screen brightness turn down

Question

My surface 4 ghost typing 7yapgb and screen brightness turn down

phan lang 0

Hello team,

My surface 4 has an error that it automatically types ‘7yapgb’ and reduces screen brightness. I have reset Windows and updated the driver but it doesn’t work. When I enter UEFI, the error is still the same.

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Answer 1

Hello phan,

Thank you for reaching out to Microsoft Community, did you try to Detach the Type Cover / Keyboard. You can do Power off your Surface then remove the keyboard or touch cover, Boot into UEFI again and observe if the ghost typing and brightness issue persists.

If the issue disappears, the keyboard is the culprit

and regarding on your brightness since you already do an update and reset screen brightness, you can use a surface diagnostic toolkit https://support.microsoft.com/en-us/surface/fix-common-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5#bkmk_sdt

just to check everything on your surface

Please let me know if it works. I await your response.

Warm regards,

JayMark

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My surface 4 ghost typing 7yapgb and screen brightness turn down

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