https://jestineyong.com Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Sat, 16 Aug 2025 09:49:35 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.19 https://jestineyong.com/squealing-noise-in-graphic-card-repaired/ https://jestineyong.com/squealing-noise-in-graphic-card-repaired/#comments Sat, 16 Aug 2025 09:49:31 +0000 https://jestineyong.com/?p=35802           A customer brought in a HP Pavillion computer with the complaint of a strange squealing noise on start-up, which eventually disappeared as the computer warmed up. After confirming the customer’s complaint, I believed that it would be from a cooling fan. However, when I checked all the fans that I […]

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