HP Forum Archive 16

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HP-40G: Failed keyboard test. Message #1 Posted by Peter on 30 June 2006, 6:05 p.m. Hello, i bought a used HP-40G. The repeated running internal keyboard tests leads to contradictory results: One time the calculator failed, on the other time the result is "ok". Despite of this outcome the keybord workes well. Is the calculator damaged? Thanks for your help! Peter.

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