Gecko M - Installation steps
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Place the case horizontally, remove the side, top and bottom plates. Use a 2mm Allen key.
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Attach the CPU Cooler, RAM and M.2 NVME to the motherboard, if PCIE 3.0 Riser cable is being used with mainboard and GPU that support PCIE 4.0, do connect the GPU and adjust the PCIE speed in the BIOS prior to installation.
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Insert the I / O shield to the back panel as shown.
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Gently put the motherboard straight down, if PSU bracket obstruct with mainboard, remove the bracket first. Place the motherboard over the Riser Cable.
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Secure with 4 M3x6 screws in A bag.
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Connect the cable from the power switch to the motherboard, the header with 1 dot will be Power connector, the header with 2 dots will be Power LED (no polarity).
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Insert the PCI-E Riser cable onto the motherboard and press firmly.
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First assemble the fan and radiator (use the screw that comes with the AIO unit), turn the water hose towards the front as in the picture.
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Using four 6-32x5 / 16 '' screws, fix them through the plastic T nut, put 280mm radiator on the position mark in red and put 240mm in the blue position.
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When first turn on there may be a bubble noise from the water pump. Leave the machine running on for a while. The sound of bubbles should go away in most case. If the noise still persist, speed up the pump, then tilt the case to expel any air bubbles out of the pump. High quality AIO such as NZXT, Corsair and rebranded ASTEK have very low air gap inside the system, you should not hear any bubble noise from these manufacturer.
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Install the 2.5 "SSD into the position shown. Use the M3x5 screws. This model will support 2 SSDs.
Assemble the SFX PSU using 6-32 x 5/16 '' screws.
Place the PSU on the plastic shoulder (PSU Seat).
Remove the GPU Lower Lock and GPU Upper Lock as shown in the picture.
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Plug the GPU into the PCI-E slot.
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Put on GPU Lower Lock, no need to tighten, straighten GPU by hand.
Place the case horizontally, secure the GPU Upper Lock with 2 M3x8 units, it should not be over tightened.If you are going to attach the GPU Slot Cover, insert it at this point.
Use your hand to adjust the GPU to straighten, then tighten the M3x6 with M3x6.
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Connect the PCI-E 6 + 2 cable (this cable will be supplied with the PSU) to the GPU.
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Press the IEC320 cable firmly onto the PSU; if not fully pressed, the top fan will be interruped.
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Install the 120x15mm fan onto the top panel, fix it with M5 screws in the F bag.
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Facing the fan cable towards the motherboard side, the wiring will be easier
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Close the top cover and try to spin the fan blades. If stuck, rearrange the top wires over the PSU.
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Close the side cover and try to power on. Notice the fans rotation. If the fan blade is stuck, rearrange the wires.