Fix the Dell OLOD (Orange Light of Death) - Instructables
Dell Machine Problems | Dell Optiplex 760 Problems | Amber Light Blinking But Pc Not Start - YouTube
Dell Optiplex 780 - Core 2 Duo - Linux Mint 20.3 (XFCE) - 4GB RAM - 160GB HDD | eBay
Dell OptiPlex 780 MT Intel Core 2 Duo 3.00GHz CPU 2GB RAM NO HDD NO OS | eBay
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Solved: Turned on my OptiPlex 780, now starts to power cycle. When I hold the switch behind battery, blinkin... - Dell Community
dell optiplex 780 orange light on power button/Desktop Motherboard Repair dead problem 9276070703020 - YouTube
Optiplex 780 blinking amber light of death - Dell Community
Dell Optiplex 780 power button blinking amber and 1 and 3 numbers blinking green - Dell Community