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This one puzzles me. PgUp and PgDn regularly stop functioning on this laptop (Dell Latitude 7400 with Win10, 2 years old and otherwise in good physical condition).

I'd immediately suspect a hardware issue, however there also regularly are periods where these two work just fine (like right now). For as far as I can tell I haven't installed anything that intercepts or alters keystrokes, and it doesn't seem like a StickyKeys issue (I disable that every time I get a new laptop or OS). Sometimes pressing one of them for a while seems to get them going again (although sometimes also not), and if one works, both do, and if one doesn't, neither do.

Before I raise a support ticket and go into a lengthy keyboard replacement process, are there any OS or software related causes for this, that I may have overlooked? Any further diagnostic suggestions are also welcome. Thanks!

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    Try a USB keyboard and see it hat works.
    – John
    Feb 7, 2022 at 17:18
  • Yep, that works. Sometimes you need someone to tell you to "keep it simple, stupid" :)
    – MiG
    Feb 7, 2022 at 22:14
  • I posted an answer for you and I trust you will accept it.
    – John
    Feb 7, 2022 at 23:04
  • There you go. Why didn't you post this directly as an answer in the first place?
    – MiG
    Feb 8, 2022 at 7:05
  • Why didn't you post this directly as an answer in the first place? .... It is possible for there to be other errors, so it is worth exploring first.
    – John
    Feb 8, 2022 at 11:17

1 Answer 1

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Any further diagnostic suggestions are also welcome. Thanks!

Try a USB keyboard and see it that works. Assuming so, then that means the laptop keyboard needs replacing.

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