Lots of great info on the causes. Thank you so much, everyone. I thought the ??? had resolved itself after 15 minutes, because I started getting normal readings again (and accurate), but then later on, kapow, it reverted back to ???.
Lots of great info on the causes. Thank you so much, everyone. I thought the ??? had resolved itself after 15 minutes, because I started getting normal readings again (and accurate), but then later on, kapow, it reverted back to ???.