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I installed bf3 and opened chrome, suddenly no signal appeared on the monitor. I then checked the pc and noticed the the pc is off but the lights on the mobo and gpu are still on. I pressed power on button but the pc is not booting up, fans are still. I was having an old dell pc so i removed the psu and plugged it in this one. Removed gpu and everything but just connected 24 pin and 4 pin. Then I turned the pc on and it started but due to less watt psu it was closing after some seconds. This means that the psu is not working. I have build a new rig 2 days ago and bought the psu for about some days. Any solution? The psu is hx 750.

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Sounds like a defective power supply. To be sure, reconnect all plugs and try again. If it still won't boot up, return the psu for a replacement.

Also, try putting your hx 750 in the Dell, see if it boots up

My rig:
CPU: i5 4690k 24/7 @4.4ghz (1.165v) Max 4.7ghz (1.325v) COOLER: NZXT Kraken X61 MOBO: Asus Z97-A   RAM: 16GB Crucial Ballistix Tactical   GPU: EVGA GTX 970 SSC   PSU: EVGA GS 650W   CASE: NZXT Phantom 530 HDD: WD Caviar Blue 1TB + WD Black 2TB

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Sounds like a defective power supply. To be sure, reconnect all plugs and try again. If it still won't boot up, return the psu for a replacement.

Also, try putting your hx 750 in the Dell, see if it boots up

When I plugged hx 750 into the dell pc, there is a red start button rather then blue start button when ai press power button. Btw the lights are still on on the motherboard and on the graphics card.
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If the hx 750 isn't booting either computer you should return it and get a replacement. If you are outside the return window with the retailer, contact corsair for an rma

My rig:
CPU: i5 4690k 24/7 @4.4ghz (1.165v) Max 4.7ghz (1.325v) COOLER: NZXT Kraken X61 MOBO: Asus Z97-A   RAM: 16GB Crucial Ballistix Tactical   GPU: EVGA GTX 970 SSC   PSU: EVGA GS 650W   CASE: NZXT Phantom 530 HDD: WD Caviar Blue 1TB + WD Black 2TB

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If the hx 750 isn't booting either computer you should return it and get a replacement. If you are outside the return window with the retailer, contact corsair for an rma

The country in which I live in is not having any kind of corsair support so I paid my relatives in America and then they gave me when they reach here. Any esle solution because it would cost around 70$ for shipping to america and back.

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