Question about Microsoft Xbox 360 Controller
My xbox 360 controller has a weird and annoying problem: pressing 'A' also presses 'B' at the same time! the same goes for pressing 'B'( it also presses 'A' at the same time) the two buttons are acting as one. This makes it impossible to play most of my games. I know it is not my Fault ( don't go asking if i'm not accidentaly putting my thumb on both, I am careful about what I press.)
They are "shorted" internally, either physically or electronically (through, for instance, static electricity). If the unit ever got wet, it is probably the first.
Since it's pretty useless as it is, you might want to open it up and take a look. (I've opened and even modified many of these.) I think there is one screw that is under the label, so this violated warranties, etc., but if it is covered by warranty, I'd get it fixed that way. I think there are four other small screws.
When you open it, some buttons will be loose. No big problem, but remember where they go. Then look at the electrical contacts where the A and B button touch. Is there grime or dirt? Perhaps a film left by a water accident? If so, you can get a Q-tip dipped in isopropyl alcohol (inexpensive at any drugstore) and rub moderately hard to clean it. Then let it dry and see if it helped. If you have a multimeter you can also check to see whether the A contacts or shorted to the B contacts. One from each will be shorted together. That's because they share a common connection with all the other buttons. But if the other pair is shorted too, that is your problem and you have the first sort of problem and it can probably be repaired by spotting the short and cleaning it as I described.
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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