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Warning [2] Attempt to read property "messages_in_thread" on null - Line: 5 - File: inc/plugins/threaded_mode.php(305) : eval()'d code PHP 8.1.2-1ubuntu2.14 (Linux)
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HP-11C repair question



#2

I have a hardly used HP-11C. Good processor and display, however, I have two vertical rows of keys that do not function. Does anybody know who works on this unit or any hints for repair myself. Thanks in advance.

John


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