RE: Inspiron 3847 BIOS crashed? USB keyboard is not working
Have you tried a different USB keyboard? Or tested this one on a different PC?
You can try clearing BIOS, when you have a known working keyboard:
Power off and unplug PC. Press/hold Power button for ~15 sec. Open case and remove motherboard battery. Press/hold power button for ~30 sec. Reinstall the battery. (Is it time for a fresh one?) Close up and connect only mouse, monitor and keyboard. See if it works now.
Check the manual for details about removing/reinstalling the battery: downloads.dell.com/.../inspiron-3847-desktop_owner's manual_en-us.pdf
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Forum Member since 2004
I am not a Dell employee