That old timer who told me to always trust the POST code beeps

Back when I first started working on PCs in 2017, my lead tech Jerry kept telling me to ignore all the fancy diagnostics software and just listen to the beeps. I thought he was being old school and stubborn, especially when a customer brought in a Dell OptiPlex that wouldn't boot and the screen was totally black. I spent like 45 minutes swapping RAM and checking voltages while Jerry just sat there drinking coffee. Finally he said hey listen for one long beep and two short ones and look up what that means. I rolled my eyes but I did it, and sure enough it was a GPU failure in the integrated graphics chip. We swapped the motherboard and it fired right up. Now I still pull out my multimeter and software tools first, but if I get stuck I always remember to listen for those beeps. Anybody else have a coworker who gave you advice that seemed ancient but ended up being spot on?

2 comments

2 Comments

the_tessa1d ago

Jerry sounds like the kind of guy who has been burned by bad software too many times. Those POST beeps are literally the motherboard trying to talk to you in a language that never changes. I learned the hard way that fancy diagnostic tools can miss stuff when a board is completely bricked. Trusting the beep codes saved me hours on a dead power supply last year. Old school methods earned their place for a reason, and Jerry was wise to keep it simple.

robinf511d ago

Exactly, sometimes the simple stuff just works better and faster.