TIL a dead CMOS battery was causing a boot loop on a Dell OptiPlex, and a $2 coin cell from the drugstore fixed it

Leo Rivera · 2026-10-19T21:15:03.609775+00:00

Customer swore the thing was toast after 3 shops quoted him a new motherboard, but I popped in a fresh CR2032 in my shop in Mesa and it fired right up. What's your go-to cheap fix that makes a whole repair look like magic?

🐿️Pinecone Attack

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TIL a dead CMOS battery was causing a boot loop on a Dell OptiPlex, and a $2 coin cell from the drugstore fixed it | Computer Technicians - Pinecone Attack