Intel Desktop Board 01 21 B6 E1 E2 Er Link -

The code shows ER , the HDD spins, but the monitor remains black. The BIOS initialized everything, but the GPU was not ready. This happens with modern graphics cards lacking legacy VBIOS. Fix: Use an old GeForce 8400 GS or Radeon HD 5450. Alternatively, flash the motherboard to the latest BIOS version (if you can borrow a working GPU).

: Includes 6Gb/s (SATA 3.0) and 3Gb/s ports with RAID 0, 1, 5, 10 support. intel desktop board 01 21 b6 e1 e2 er

Typical codes during a successful boot (from power-on to OS): 00 → 10 → 21 → 38 → 50 → 52 → 75 → 7F → FF The code shows ER , the HDD spins,

Because this identifier appears on multiple board variants, specifications can vary depending on the specific model (e.g., G23116-204 The code shows ER