1. Insert the hooks along the bottom edge of the front bezel into the slots on the chassis front. 2. Push the bezel toward the computer to engage the front bezel retention clips until they click into place. 3. Install the cover. 4. Follow the procedures in After Working Inside Your Computer. Removing The Expansion Card 1. Jul 09, 2006 · Hi, The orange flashing light indicates a problem with the PSU (power supply unit). If the PC is still under warrant contact Dell for a replacement PSU. If not you will have to buy and fit a new PSU, ensure it will fit your model of Dell though. Hope this helps! (Please click Accept if it does) - BigThunder
Dec 21, 2020 · Dell T3400 orange blinking light in power button. I doubt it is a mobo Blinking Amber power button is Bad Power supply. Solid Amber power button is ideas? Any Dead motherboard. T3400 with X38 Express Chipset 525W Active Power Factor Correction (APFC) power supply. problem, because it was working today.