early 1990s. IBM AT. At a workplace this computer would randomly freeze. Wasn’t my job to do computers but I knew them Had a hard time reproducing it. On a hunch, I installed GEOS which I knew would tax the machine and force the error to show its hand. It would freeze the exact same moment during installation every single time It would draw a graphic screen and stop 3/4 of the way down down to the same pixel It hit me! Video! Hercules graphic board was bad. Had to be. Triumphantly went to the store got installed a replacement and everything worked after that. And the old Hercules board? One of the long series of memory chips had a slight bubble.

early 1990s. IBM AT. At a workplace this computer would randomly freeze.

Wasn’t my job to do computers but I knew them

Had a hard time reproducing it. On a hunch, I installed GEOS which I knew would tax the machine and force the error to show its hand.

It would freeze the exact same moment during installation every single time

It would draw a graphic screen and stop 3/4 of the way down down to the same pixel

It hit me! Video! Hercules graphic board was bad. Had to be. Triumphantly went to the store got installed a replacement and everything worked after that.

And the old Hercules board?

One of the long series of memory chips had a slight bubble.

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