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Osborne 1 Debug

MicroCoreLabs

Experienced Member
Joined
Feb 12, 2016
Messages
131
Hair Dryer... That is the solution for the keyboard!

I used the hot setting and heated up the metal bottom of the keyboard while pressing the keys and that eventually freed up the stuck ones!

So now it appears to totally work! Both disk drives can read and write, the keyboard works, and a number of software applications including BASIC.

A big thanks to Erik who lives in the Bay Area town next to me who made me some of some CP/M bootable diskettes. He also hot-swapped my keyboard into his machine running WordStar to see which keys were stuck which was also very helpful!


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Last edited:

EkriirkE

Experienced Member
Joined
Oct 12, 2012
Messages
52
Location
Vienna
Hair Dryer... That is the solution for the keyboard!

I used the hot setting and heated up the metal bottom of the keyboard while pressing the keys and that eventually freed up the stuck ones!

So now it appears to totally work! Both disk drives can read and write, the keyboard works, and a number of software applications including BASIC.

A big thanks to Erik who lives in the Bay Area town next to me who made me some of some CP/M bootable diskettes. He also hot-swapped my keyboard into his machine running WordStar to see which keys were stuck which was also very helpful!
Awesome, such an easy fix! I'm glad the disks worked out for you
 

EkriirkE

Experienced Member
Joined
Oct 12, 2012
Messages
52
Location
Vienna
Maybe the membrane(s) sags and makes contact in places from being idle and the heat tightens it back up?
 
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