All the lights don't work after changing the batteries

check the main earth wire near the battery. and one near the rear of the lights. unbolt them and clean the connectors up put some grease on them after. then check again. remember that when the earth wires come off the radio code will be needed to reset the the radio. be safe and take the battery off.

check for a fuse near the engine to tractor wiring connector. check battery cables for looseness & corrosion. tighten the ground cable where it connects to the chassis and inspect the engine to chassis bolts. loose connections can cause backfeed problems, such as when you step on the brake pedal in your car, and can then turn on the radio...

if you have something to reload your battery try it
else or if the first don't work try to change the battery

Your alternator might be bad. Check if your alternator is functioning well.

Have you tried to change the batteries again?

with Hampton Fans,, normally if the remote is good with a known good battery , and it quits working,, its the remote receiver, not the actual remote that goes bad. you can contact these guys I heard they have the part you need http://www.ceiling-fans-n-more.com/hampton-bay-ceiling-fan-parts.php

Did AAA clean the battery cable connections when they installed your battery? Did you check the fuse for the insrument panel?

It could be just bad timing or a coincidense but I am more likely to think things are connected. If your gauges worked after jump starting your car, but not after AAA changed the battery, something changed or was left disconnected.

So much for Wal-Mart tech support.
If your mouse is not working, first check the batteries to be sure they are good.
You wireless mouse has a USB "antenna" or sending unit. It may have a button on it that says "connect." If so, push it.
The mouse itself has a little button on the bottom that says "connect."
Push that one next. It should now work.
If it doesn't, switch USB ports and try again.
And no, we don't charge for this answer.

Sounds very much like two possibles a short in the fuse box to the non working parts or your battery went dead and was recharged and you did not reset these items. As what U mention all sound like the equipment that needs to be reset when you change a battery or it goes dead.

mcdevito75 here, Of couse without the watch and piece of metal that fell out it"s very hard to say. Most likely it was part of the lock-down tab to keep the battery in place, in any event don"t lose that piece of metal. If your casio is working ok don"t worry about it, just don"t lose that piece of metal that fell out.