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01-23-2013, 11:22 AM
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#1
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Lifer
Join Date: Mar 2004
Posts: 13,331
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Corsair K90 stuck keys !firmware bug! (not physically stuck)
I have splurged and bought the very expensive Corsair K90 keyboard.
http://www.anandtech.com/show/5548/c...-k90-keyboards
I encountered a very odd firmware bug in it. It will occasionally (once every few days) have a key get "stuck" as if being held down. However the key is NOT physically jammed.
-When this occurs the keyboard will continue to send this keypress signal continuously until ANY key is pressed. That means that if the F3 key is "firmware stuck" then I can press the spacebar and it will unstuck it (this makes it hard to detect as rapid typing can hide this effect as you unstuck a key before it is noticed).
-I have seen it happen for a variety of letter keys, space bar, enter, and F keys.
-There is absolutely no indication of there being any physical issue
all the above combined suggest to me that this is a firmware issue.
I have tried updating the firmware and driver (as per instruction from their customer support).
Now, several months after I bought the keyboard my space bar key broke. I got the keyboard replaced under warranty... The new one they sent me has the exact same issue with the "firmware stuck" keys.
I also updated it to firmware 1.19 and it has the same issue.
I was wondering if other people are experiencing the same issue and how common it is. There was no indication of such a defect in the anandtech review of the keyboard (which is really what sold me on it).
__________________
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Last edited by taltamir; 01-23-2013 at 11:27 AM.
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01-23-2013, 01:36 PM
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#2
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Golden Member
Join Date: Feb 2008
Posts: 1,351
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I suppose there's an outside chance that there is something in the keyboard that is sticking (eg, a membrane switch under the physical key). When the stuck character happens, instead of pressing on another key, just tap the frame of the keyboard (or turn it upside down and tap the KB body) to see if the stuck character clears. If it clears then demand a KB replacement otherwise perhaps a firmware update may just be needed.
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01-23-2013, 02:07 PM
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#3
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Lifer
Join Date: Mar 2004
Posts: 13,331
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Quote:
Originally Posted by C1
I suppose there's an outside chance that there is something in the keyboard that is sticking (eg, a membrane switch under the physical key). When the stuck character happens, instead of pressing on another key, just tap the frame of the keyboard (or turn it upside down and tap the KB body) to see if the stuck character clears. If it clears then demand a KB replacement otherwise perhaps a firmware update may just be needed.
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Hi, thanks for the reply.
1. Already got a replacement keyboard and its doing the same.
2. Already updated firmware and it didn't solve the issue on either keyboard
3. There is no membrane, this keyboard has mechanical keys
http://www.pcworld.com/article/24203...ht_switch.html
4. I don't think its a physically stuck key. The press rate is too slow for just holding down a key (although its still multiple presses per second) and a light press on a DIFFERENT key ALWAYS causes it to get unstuck.
__________________
I do not have a superman complex; for I am God, not superman!
The internet is a source of infinite information; the vast majority of which happens to be wrong.
How to protect your data guide
AA Naming Guide
main: Win7x64, i5-3570K, 16GB DDR3-1600, XFX HD6950, Gigabyte GA-Z77MX-D3H. 240GB Intel 520 SSD
fileserver: Solaris 11, Athlon2 X4 @ 3ghz, 4GB DDR2, 160GB samsung OS drive, 5x750GB WD CaviarGP drives in raidz2 (ZFS raid6).
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01-23-2013, 03:02 PM
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#4
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Platinum Member
Join Date: Mar 2005
Posts: 2,035
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http://forum.corsair.com/v3/showthread.php?t=110177 Indicates that a lot of people have the issue and its firmware related so good luck.
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01-23-2013, 03:57 PM
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#5
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Senior Member
Join Date: Jun 2005
Posts: 885
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Quote:
Originally Posted by Puffnstuff
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One of the reasons I will buy a logitech mechanical gaming keyboard over Corsair. Logitech has better drivers for sure.
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01-23-2013, 07:24 PM
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#6
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Lifer
Join Date: Mar 2004
Posts: 13,331
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Quote:
Originally Posted by Puffnstuff
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Ah, thank you.
I guess its more common then I thought. What a disappointing product.
__________________
I do not have a superman complex; for I am God, not superman!
The internet is a source of infinite information; the vast majority of which happens to be wrong.
How to protect your data guide
AA Naming Guide
main: Win7x64, i5-3570K, 16GB DDR3-1600, XFX HD6950, Gigabyte GA-Z77MX-D3H. 240GB Intel 520 SSD
fileserver: Solaris 11, Athlon2 X4 @ 3ghz, 4GB DDR2, 160GB samsung OS drive, 5x750GB WD CaviarGP drives in raidz2 (ZFS raid6).
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01-29-2013, 06:02 PM
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#7
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Lifer
Join Date: Nov 2005
Location: On Vitamin D3 and Aphrodisiacs
Posts: 11,905
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I've randomly experienced this too. It also happened with a Steelseries 6Gv2 with Mechanical Blacks.
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Quote:
Originally Posted by AdamK47
This is General Hardware, so you'll have a lot of cheapies trying to talk you down. I say go bigger.
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05-08-2013, 09:11 PM
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#8
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Junior Member
Join Date: May 2013
Posts: 1
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Re: K90. I've had three.
Number one had a key that would not work
Number two had the sticky key issue so they sent a new one.
Number three has the sticky key issue. Quite upsetting when you are editing and press the back space key only to have it erase lines of data.
I've updated the firmware. Still acts as if the key is stuck but it isn't stuck, it just remains activated. Hoping they will come out with a fix before I have to purchase another brand.
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05-09-2013, 06:01 AM
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#9
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Golden Member
Join Date: Nov 2005
Posts: 1,168
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What mobo USB ports is it on?
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