41 cx



#2

A few of the keys on the lower left corner are sticking and need to be struck a few times for the entry to be made.

Any suggestions on how to clean/fix the problem.

Thanks in advance.


#3

The cause could be a couple of easily fixable things:

1. Something (dust/particle) has gotten in between the contacts

2. Something sticky (like coke) has gotten in between the contacts and around the key.

First you could try using a spray-duster. You don't have to worry about it damaging the calc (just make sure you do you initial fire away from the calc in case there's some liquid in the tube).

If that doesn't work, you could try electrical contact cleaner spray. I've used this to fix the same problem on an hp-80 with excellent results (however I had the whole thing taken apart too. I don't think conservative amounts of contact cleaner will hurt the calc especially since its not close to the display. You may want to make sure you hold the calc with the display above the misbehaving keys.


Possibly Related Threads...
Thread Author Replies Views Last Post
  Trading TI Nspire CX CAS for HP Prime Justin Sloan (Honolulu) 2 403 05-09-2013, 04:22 AM
Last Post: Chris Smith
  HP 41 CX Celso Cipolato 2 390 09-30-2012, 06:38 PM
Last Post: Thomas Klemm
  Killed my 41-CX Halfnut aj04062 7 768 07-10-2012, 07:47 PM
Last Post: Luiz C. Vieira (Brazil)
  Interesting TI Nspire CAS CX programming features Namir 5 632 04-15-2012, 04:11 PM
Last Post: Namir
  Impressive TI NSpire CX CAS Multiple Integration Namir 43 3,160 12-23-2011, 05:24 AM
Last Post: Thomas Klemm
  41-CX with 'Creeping LCD Disease' Tim C 12 957 11-03-2011, 01:55 PM
Last Post: Randy
  Experience (Learning) Curve Program for HP-41C/CV/CX Chris Catotti 1 357 09-20-2011, 01:46 PM
Last Post: Frido Bohn
  Why I like the blank overlay option for the 41C, CV, CX & CL and my 41CL final configuration Geoff Quickfall 1 300 06-18-2011, 03:18 AM
Last Post: Geoff Quickfall
  HP-41CV & CX Halfnuts? aj04062 1 270 05-27-2011, 01:20 PM
Last Post: Eric Smith
  Nspire CX available? David Ramsey 8 692 05-26-2011, 09:19 PM
Last Post: Eddie W. Shore

Forum Jump: