What is happening here is the POST is not completing.
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Give this a try: Restart your system and hold the T key to enter into Target Disk Mode. If your system boots up with the FireWire/Thunderbolt icons floating on your screen, you’ve proved the GPU is still failing. TDM leverages the built-in GPU services within the Intel CPU it also bypasses the dedicated GPU POST testing.
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Give this a try: Restart your system and hold the '''T''' key to enter into Target Disk Mode. If your system boots up with the FireWire/Thunderbolt icons floating on your screen, you’ve proved the GPU is still failing. TDM leverages the built-in GPU services within the Intel CPU, it also bypasses the dedicated GPU POST testing.
What is happening here is the POST is not completing.
-
Give this a try: Restart your system and hold the T key to enter into Target Disk Mode. If your system get to it you’ve proved the GPU is still failing. TDM leverages the built-in GPU services within the Intel CPU it also bypasses the dedicated GPU POST testing.
+
Give this a try: Restart your system and hold the T key to enter into Target Disk Mode. If your system boots up with the FireWire/Thunderbolt icons floating on your screen, you’ve proved the GPU is still failing. TDM leverages the built-in GPU services within the Intel CPU it also bypasses the dedicated GPU POST testing.
What is happening here is the POST is not completing.
Give this a try: Restart your system and hold the T key to enter into Target Disk Mode. If your system get to it you’ve proved the GPU is still failing. TDM leverages the built-in GPU services within the Intel CPU it also bypasses the dedicated GPU POST testing.