Texas Instruments TI-86 Calculator "battery corrosion" Questions

battery corrosion. If you CAREFULLY take a damp(not dripping wet) rag and wipe the contacts of the corrosion you may have luck. The batteries just leaked, Very common especially for cheap "Heavy Duty"

...corrosion from the old batteries (this includes the backup battery) from when you first replaced your batteries, then you may want to open it up to take a look at the circuit board. Don't touch the ...

...corrosion (Cr metal extension of the battery-compartment, and Cu on the motherboard) can be avoided by using golden contacts like in the rest of the hardware industry. This corrosion problem is a ...

...battery under the cover with a screw. Also try putting the baterries in and spinning them, this will help remove corrosion. Lastly take apart and look for a broken battery terminal, may need

does not power up after corroded batteries are replaced. Math Lab: 2 calcs were turned in with corroded batteries. We cleaned the calc with a paper clip and installed new batteries, but no power. ...

My ti_83 plus will not start up Check for corrosion on battery terminals and make sure that the battery is good. If still nothing , then unit has finally expired.

...color but doesn't work. must open case, and clean the keyboard board, must be contamined with battery fluid.(Corrosive), use a Pen eraser to clean

...battery acid on it. Simply get a small wire brush and clean the +/- ports (the ones that have the acid on them.) (I use the term "simply" very loosely.) I suggest that you do this over a sink or a ...

...corrosion on the battery contacts inside the calculator which can prevent the full power of the batteries from flowing into the calculator. Try this free fix before you do anything else: remove the ...

...corrosion on the battery contacts. If no corrosion is present, you can still carefully open the unit, then using an electronic safe spray solvent, clean all components. If after all that you still ...