Tempest Posted July 29, 2017 Share Posted July 29, 2017 Just today the B key on my keyboard stopped working. Any idea why this might be and how to fix it? It's a later beige model keyboard if that matters. I don't think it's dirty, because no matte how many times I hit it it never works. Quote Link to comment Share on other sites More sharing options...
Tempest Posted July 30, 2017 Author Share Posted July 30, 2017 I just noticed that one of the wires from the keyboard has detached from the clip thing on the motherboard they go into. I can't exactly tell what that thing is, but it looks more like a wire 'clip' or something rather than something they're soldered into. Are they actually soldered into that thing or do they just somehow clip in? Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted July 30, 2017 Share Posted July 30, 2017 likely a wire is loose/broken or the mylar is stuck, which keyboard do you have? look at my faq post pinned at the top of the forum for the types.. they usually clip in to the connector.. Quote Link to comment Share on other sites More sharing options...
+helocast Posted July 30, 2017 Share Posted July 30, 2017 Just today the B key on my keyboard stopped working. Any idea why this might be and how to fix it? It's a later beige model keyboard if that matters. It's great you got the troubleshooting down to a connector wire. Frankly I would have expected more based on common scan column and row. Quote Link to comment Share on other sites More sharing options...
apersson850 Posted July 30, 2017 Share Posted July 30, 2017 When a key on my beige boards stop working, it's usually the key itself. Hammering on it frantically restores functionality. Quote Link to comment Share on other sites More sharing options...
Tempest Posted July 30, 2017 Author Share Posted July 30, 2017 Now the system won't power on. I have no idea what I did to it, but I'm getting nothing. I wonder if I'm not better off just buying a new one? Quote Link to comment Share on other sites More sharing options...
Tempest Posted July 30, 2017 Author Share Posted July 30, 2017 Update: My power supply went bad, so I need to fix that before I can fix the B key. My keyboard mech is an ALPS one (green circuit board). I can pop the key cap off and see a little key mech underneath, but I have no idea what to do from there to fix it. It looks like it has two little push tabs on either side, does this mean it can be popped out? EDIT: ok it appears that the B key is intermittent, not broken. Not sure how to fix that. It works just fine for a while then stops for a few key presses, then works again. Any ideas? Quote Link to comment Share on other sites More sharing options...
Tempest Posted July 31, 2017 Author Share Posted July 31, 2017 Looks like some contact cleaner fixed the issue. Does anyone know where I can get a replacement fuse thing? The reason my power supply wasn't working was because the fuse had blown. Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted August 7, 2017 Share Posted August 7, 2017 the external power supply? I sell working ones if you decide it's not worth the effort, which power supply do you have? there were 3-4 different ones.. Greg Quote Link to comment Share on other sites More sharing options...
Tempest Posted August 8, 2017 Author Share Posted August 8, 2017 the external power supply? I sell working ones if you decide it's not worth the effort, which power supply do you have? there were 3-4 different ones.. Greg Not sure. IIRC it was black, didn't have the embossed TI logo, had a green 'checked' sticker, and of course that fuse thing. It seems to be working just fine without the fuse pack though. 1 Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted August 12, 2017 Share Posted August 12, 2017 Not sure. IIRC it was black, didn't have the embossed TI logo, had a green 'checked' sticker, and of course that fuse thing. It seems to be working just fine without the fuse pack though. just put it on a power strip with a circuit breaker and you are fine Quote Link to comment Share on other sites More sharing options...
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