Recently my HP48GX calculator decided to not turn on anymore. At first I thought time to change the batteries. To my horror putting new batteries in the calculator did nothing. Then I thought to myself oh no the screen finally bit the dust. After searching Google I came to the conclusion that the screen was most likely fine, but the contacts on the motherboard because of age have somehow fallen apart. I was able to finally hit the calculator enough and was able to use it once again. Whacking the ON button or slamming the case against a desk didn’t seem like a very good fix.
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