Talk:Stuck keys SN
What is the purpose of this page? Who will use this information, and for what purpose? Apater 23:56, 22 April 2008 (EDT)
http://lists.laptop.org/pipermail/community-support/2008-April/001922.html
It might be a good idea to reference that list post and link to this page from Stuck_keys. Cjl 02:19, 23 April 2008 (EDT)
for those whom wish to further explain thier problem/resolutions
CSN74702143
- CTRL key randomly on/off
- It lites after several seconds without touching any key near it while running keyboard diagnostic test and also many other keys sometime stick and then unstick after pushing same key again in a random testing pattern
- To get terminal -xmodmap to reassign the Ctrl Key I had to press and hold the spot between the Tab Key and just above the CTRL key with a PDA Stylus or a toothpick (experiment in the diagnostics test)
Note: it is very humid over here in the Philippines and I have had many keyboards/other including cellphone/TV remotes... fail from corrosion and or mold/fungus even very tiny insects getting under the membrane not to mention the salty(ocean) air from many years @ sea.
- --Chief Mike 08:47, 4 May 2008 (EDT) (GSMC)U.S. Navy Retired
CSN75001D7D
Some observations - When using the 'test keyboard' bios tool, holding the stuck key (L-ALT) key down for a couple of seconds and then releasing it, causes it to stay open for approximately 1 sec, before closing (becoming stuck),
Also, there is a point halfway through the action that also causes the key to stay open. This is repeatable when the key is stuck.. which is inconsistant and may be temperature dependent.
Are these observations consistant with the problem as it is described?
CSN75000960
Ctrl key stuck failure occurred after about 100 hours of use. I disassembled the lower half of the XO and peeled back the rubber keytops membrane. At that point, I was a bit nervous about separating the flexible circuit membranes. So I reassembled. Surprisingly, the keyboard now functioned.
About 100 hours of use later, the stuck Ctrl key failure happened again. And disassembly and reassembly "fixed" it again. I should probably note that the left-hand-edge keys all have "wimpy dots", so this is consistent with the failure mechanism postulated. Davewa 18:30, 8 July 2008 (UTC)
Left Alt key stuck on; fixed by peel-replace adhesive layer
But main question is, are there other hidden diagnostics? Also, congratulations for a fine Disassembly how-to. Finally, who is Zarro? And what is he doing with those children? Build 656; S/N CSN74701E4F