Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!cs.utexas.edu!usc!apple!mips!prls!pyramid!weitek!practic!vlsisj!davidc From: davidc@vlsisj.VLSI.COM (David Chapman) Newsgroups: comp.sys.laptops Subject: Re: Bad Keys on T1000 Message-ID: <15516@vlsisj.VLSI.COM> Date: 13 Mar 90 04:16:41 GMT References: <15505@vlsisj.VLSI.COM> <30612@sequent.UUCP> <5125@emory.mathcs.emory.edu> Reply-To: davidc@vlsisj.UUCP (David Chapman) Organization: VLSI Technology Inc., San Jose, CA Lines: 31 In article <5125@emory.mathcs.emory.edu> km@mathcs.emory.edu (Ken Mandelberg) writes: >... When I disassembled the keyboard >per his instructions, I found that there was an oily residue on the >printed circuit board on the contact points where the bad key posts >press the board. After cleaning the circuit board, and reassembling the >keys worked just fine. > >This could not have been fixed by removing the keycaps from the >outside. I have had more than my share of experience (and success) >repairing ADM3a keyboards from the outside, but this just won't work on >a T1000. It is a bit painful having to remove dozens of little screws >to get at the circuit board, but that is really the only choice. I don't have my posting, but I don't think it was the original one I wrote on this topic. In particular, I prefixed that one with "if your keys are the spring-contact type..." or some such thing. Our network connection has a tendency to crash (#@$#@!!! NFS) and I couldn't post it. I don't have a T1000 so I couldn't comment knowledgeably, alas. The key (couldn't resist) point is that the contacts get dirty. Keep your laptop in a case whenever you're not using it. P.S. Someone else commented on my choice of rubbing alcohol: You can buy rubbing alcohol without lanolin. If it's present it should be listed as an ingredient on the label. Rubbing alcohol is cheaper than other solvents and I can use it to kill bugs on my houseplants. :-) -- David Chapman {known world}!decwrl!vlsisj!fndry!davidc vlsisj!fndry!davidc@decwrl.dec.com