NZXT N7 B550 Troubleshooting

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Troubleshooting

My N7 B550 will not boot, what can I do?

If you are encountering a black screen at the startup of your PC, this may indicate a hardware fault with

either the N7 B550 or the hardware installed to it. The N7 B550 has Debug LEDs that indicate what is

preventing your PC from passing the POST. POST or the Power On Self-Test is how the motherboard

checks for any hardware faults. Please reference the photo below for the location of these debug LEDs

and other major components.

The debug LEDs are for CPU, DRAM, BOOT, and VGA, this is shown in the photo below:

Table of Contents

Do you have a question about the N7 B550 and is the answer not in the manual?

Page 1 If you are encountering a black screen at the startup of your PC, this may indicate a hardware fault with either the N7 B550 or the hardware installed to it. The N7 B550 has Debug LEDs that indicate what is preventing your PC from passing the POST.
Page 2 LED that is lit up on your motherboard NOTE: If you have an NZXT Prebuilt or Custom Gaming PC, skip the instructions here for the CPU debug LED. Please reach out to our customer service team for assistance.
Page 3 Verify that the SSD being used is an M.2 NVMe SSD (M-Key). M.2 SATA SSDs (B-Key) are not compatible with the N7 B550. Remove the M.2 SSD from the slot to verify the M.2 contacts and the M.2 slot are un-damaged.
Page 4 Try a different GPU, if you get POST on a different card, then the GPU you were using may have a defect in it. If using a PCIe riser cable, try testing the GPU directly connected to the motherboard to rule out the riser being defective.