Texas Instruments TI-83 Plus Calculator "corrosion" Questions

...is wrong with it. When I took the batteries out to replace them, however, there was accumulated corrosion.....water damage, maybe? Thoughts? The damage was battery corrosion. If you CAREFULLY

...carefully so you don't break something) and hold calculator so keys and screen are down. check for corrosion under non-working keys, it'll be a different color of metal on circuit board under keys

...screen up. If you've replaced the batteries (and I bet you tried that first) the issue could be corrosion on the battery contacts. If no corrosion is present, you can still carefully open the

...If that doesn't do it, append a comment here and we'll go on to the next step. If there was some corrosion from the old batteries (this includes the backup battery) from when you first replaced ...

i replaced the batteries and my calculator still won't turn on Your problem may be due to corrosion on the battery contacts inside the calculator which can prevent the full power of the batteries from

...bag, and don't let any of that acid get on you, it is very dangerous (it is corrosive, but the corrosion won't affect plastic.) The one with the malfunctions; while holding the [CLEAR] button, ...

...water as good as possible, but that didn't help. Is there any particular place I should look for corrosion to restore these keys to working order? Is the poor thing shot? First of all, there's no ...

...I used my nails to unclip the two parts. What was wrong: Immediately visible was a tiny but fatal corrosion on the two little metal-covered spots on the motherboard, where the metal extensions from ...

...the cells are installed. Some of these are not clear. If cells were allowed to leak, there MAY be corrosion causing poor

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.