- Joined
- Mar 1, 2022
- Messages
- 24
- Motherboard
- Main Logic Board's
- CPU
- Quad-Core Intel i5
- Graphics
- AMD Radeon HD 6970M graphics processor with 1GB of GDDR5 memory
Yes i tried that to before and again now, it just increases the brightness and volume back to high but issue of not loading and white screen still thereTo quote another Internet resource for repairing Firmware on an iMac:
"Press the power button, and as soon as you power up the laptop, iMac, hold down Command-Option-P-R. Keep holding down those keys for about 20 seconds."