HCBic Said:
"Logging on to my MacBook Air: When I enter my password the password entry area just bounces on the screen and I can't get any further. This has been happening for a while now but if I let it sit for a bit it normally works. Today it's been more than an hour. Can anyone help please?"
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Successfully Entering Long Password:
A. Reset the SMC and NVRAM:
(Applies to Intel-Only Based Macs): Sometimes changes are made to the system and then settings (i.e. for USB Ports/Keyboard) become manipulated, technically. So, reset both on your Mac.
B. Use An External Keyboard:
It Doesn't have to be Apple brand. You might need this adapter: USB-C to USB A Adapter - Apple