Hello everyone, I`m glad I stumbled across this forum while looking for a solution for my weird problem.
My problems have started a few days ago, when my Logitech G15 Keyboard started acting in a very strange way. I`ll try to describe my problems in the order I had noticed them as well as I can (English is not my first language tho). Also, I`m correcting the numerous errors that my keyboard makes so I make this post as understandable as possible.
1. I can`t type big letters, as if my Shift key isn`t working. When I hold Shift key, nothing happens at all, or I get a small letter in the best case.
2. My Caps Lock key turns on randomly. Pressing the Shift key sometimes triggers the caps lock key too.
3. Even when my caps lock key is working, the led indicator light is blinking in very short intervals - it is not constantly lit.
4. Now, whenever i press shift or caps lock key, it all goes crazy. Sometimes i get big letters when my caps is off, sometimes i get small letters when my caps is on, sometimes its normal.
5. After the problems start occuring, and i try to type something, sometimes i get nothing out, my keyboard "remembers" the letters I`ve pressed and there`s a 5-6 second delay until the letters appear on the screen.
6. When this "remembering" problems occur, the letter order almost always comes out wrong. Since I`m a decently fast typer, this occurs a lot when typing and it makes it unbelievably hard to type anything properly.
7. The keyboard also seems to remember when I held the shift key, so clicking anywhere with my mouse selects the whole text/page.
I`ll now try to demonstrate some of the problems, by letting my keyboard type as it wants to.
(CAPS ON) - CaPS SHOuLD Be ON AN Is DHouLD Be WRITiNG BiG LeTTERS ONLY. HOwEVeR, ITS OBVIOuSLY NOTHe TCASE. (notice how it puts some letters in random order, although I`m certain I typed them correctly.
(caps off) - yektfihsgnidloh (tried to type "holding shift key" while holding it, and this came out).
(caps off) - i cant GET A BIG LETTER IN ANY WAY< EXCEPT BY HOLDING RIGHT SHIFT KEY< WHICH THEN OBVIOUSLY TRIGGERS CAPS KEY IN SOME WAY (caps indicator still off).
(caps on) - now the caps lOck key turned on by iteslef. nicEto tHeSe randOm big letters (the word niceto shoUlD havE went out as notice).
(CaPS KeEPS TURNING OFF AND ON) - COMPLETELY BY ITSELF, MY CAPS kEY CHANGES FROM ON TO OFF.
Now, the worst part... I thought the problem was in my G15 keyboard (connected via USB), and I connected my old Logitech Deluxe Keyboard via PS/2 port, and the problems are the same. I`m using Windows XP SP2.
I really don`t have any idea what this is about, as I`ve never seen anything similar. Hopefully I managed to explain this so you could understand it. I`m hoping that anyone of you will have some sort of solution.
Note: I needed around 35 minutes to make this post look properly and readable.
Best regards and thank you in advance,
Petar