geekhack
geekhack Community => Keyboards => Topic started by: RetroHollywood on Mon, 31 October 2011, 13:37:05
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I purchased a Rosewill Rk-9000 (with blues) and have been having some "issues" with it, and am trying to decide if they are serious enough to return it. I thought the experts here would know if they were common, serious, my imagination, etc.
Problems:
-Right shift key feels different from all other keys, more specifically a bit spongier. Removed and lubricated stabilizer and tested switch pressure (normal). No change.
-Spacebar squeaks like crazy. Heavily lubricated stabilizers. No change.
-Arrow keys all have different pressures, including on the switches themselves.
Anything I can do to remedy these? Is the keyboard flawed? Are my expectations just too high?
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How long have you had it? Sometimes you need a week or two to break the switches in, especially blues from what I understand. I have had the spacebar squeak on a few Costar 'boards; I'm surprised lubing it didn't help. Did you lube up by the cap?
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i've fixed some used keyboard keys by banging them in with the butt end of the screwdriver, of course the barbarian approach doesn't work well all the time (now i just desolder and put in fresh switches).
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I have had it for about a week, with pretty heavy use. I've probably put about 20-30 pages through it, plus normal internet forum use.
I really went after the spacebar. Anywhere the stabilizer bar went, I put lube there.
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I wonder if it was damaged in shipping and has a bent plate or something. I would see about sending it back.
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looks like you used all 10 milllion actuations
sorry
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Speaking of actuations... what exactly wears out to warrant most Cherry MX switches being rated for only 50 million presses?
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I think it's just a SWAG. Probably corrosion or reduced springiness on the contacts or something. Chattering has been observed by some.
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carbon forming on the contact points from arcing might impede the switch from actuating after that many. Otherwise it's really just the tactile switches wearing. I know I've had microswitches fail from carbonization.
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I wonder if anyone has ever hit 50 million + on a Cherry switch (other than a machine). I would imagine most people would replace a keyboard for other reasons before the switches actually start to malfunction.
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Regarding the spongy right shift key, I too had this problem. I ended up swapping the stabilizer out from another key (the '+' key on the numpad) and the issue went away. It had something to do with the stabilizer not collapsing all the way - it was collapsing into the base of the switch.