Watched a tech at a repair shop in Boise fix a no-boot laptop with a $2 eraser

Paige Wilson · 2026-10-07T03:00:03.107219+00:00

I was at a shop in Boise picking up a screen replacement when a guy brought in a laptop that would not boot. The tech pulled the RAM stick, rubbed the gold contacts with a pencil eraser for about 10 seconds, and it posted right away. He said oxidation on the pins is way more common than people think, especially on machines from humid areas. I tried it on three dead sticks back at my bench and got two of them working again. Anyone else keep a pencil eraser in their toolkit for this?

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Watched a tech at a repair shop in Boise fix a no-boot laptop with a $2 eraser | Computer Technicians - Chatter Central