If your NerdQaxe++ or Hydro miner won’t power on — no fan, no display, but the power light is still on — don’t panic. This is a common issue caused by a hidden fuse on the mainboard. Here’s a Markdown version you can download and use.
🔍 Step 1: Confirm the Symptoms
Fan not spinning
Display shows nothing
Power indicator light still on
If these symptoms match, your fuse may have blown.
🧰 Step 2: Required Tools
Small screwdriver
Multimeter (optional)
Replacement fuse (same amp rating as the original)
⚙️ Step 3: Video Tutorial
Watch this step-by-step video to replace the fuse:
Click the image above to watch the tutorial.
🧯 Step 4: Replacing the Fuse
Unplug your miner.
Carefully remove the back cover.
Locate the fuse near the power connector.
Replace it with a new fuse of the same rating.
💡 Tip: If the new fuse blows again, check your power supply.
✅ Step 5: Test Power On
Reconnect the power and switch on. If the fan spins and display lights up, your miner is fixed.
🧩 FAQ
Q: Can I use any fuse of similar size?
A: No, use one with the exact voltage and amp rating.
Q: Does replacing the fuse void the warranty?
A: Typically no, as long as no PCB damage occurs.
📩 Need Assistance?
Contact support at: https://bitsoloplayer.io