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Need Help! My PC is on but no display

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Posted · Original PosterOP

Hi guys,

A few days ago I was changing parts for my Lenovo Legion T530 Desktop(spec: Nvidia GeForce GTX 1050 Ti 4GB, 8gb ddr4 ram, i5-8400 2.8 ghz, hard drive sata 6gb/s 3.5" 7200 rpm, Motherboard: Intel B360, PSU: ACBEL PC7033-EL0G 450W)

I wanted to improve my fps for some games, so I first added a new PSU (Thermaltake ToughPower Grand RGB 750W non DPS) and replaced my GPU for a Sapphire Nitro+ Radeon RX Vega 64. Also, I added a SSD Samsung Evo 860 500gb but only just plugged into the PC haven't done anything else with it yet. Playing games like CS GO and Apex Legends were fine. Two days later I replaced my RAM for a Corsair Vengeance LPX Series 8gbx2 DDR4. Still! Everything was fine even playing the same games for like 4-5 hours.

However, yesterday, one day after I installed the RAM my pc shuts down and turns on again when I was playing Apex Legends for about 3-4 hours. I thought I might be been overheating of the PSU or GPU, so I lower the fps of Apex Legends and start playing again then one hour later it shuts down and boots up again.

The next day, I tried to fix the problem by reinstalling my RAM and then add two sets of cables from PSU. One cable was added to my Vega 64 GPU(originally I just used one cable to the two 8 pin power sorts). The other cable was to separate my sata power cable loab that connected to SSD, HD, and optics drive, so the new format was one cable connected to SSD/optics drive while the other cable for HD.

Afterwards I turned on my PC my display is all black everything is on except my GPU(GPU fans aren't turning) and mouse (keyboard is on). I want to be careful with this. What do you think I should do next?

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are you sure your thermaltake power supply is brand new, and not a returned one? colour me biased but i dont think many people have much faith in thermaltake's psu lineup.

i have the same issue as you few weeks ago, and it's a faulty psu, i went thru the rma channel and they sent me a new one.


if you want to make sure, reinstall your acbel unit and see if it can turn on. even tho vega 64 is a power hog, as long as you arent playing games you're fine.

why everybody post the spec of their rig here? i dont! cuz its made of mashed potatoes!

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Yeah actually have the same exact issue, Im replacing my PSU, its coming in a few days. Hope this one doesnt break.. Lmfao, in my case the monitor was black, every USB was black except for my microphone for some reason

Main Computer :
Ryzen 5 2600x (STOCK)
GPU: Evga GTX 1060 3gb (STOCK)
RAM: Geil Potenza 8gb 
SSD/HDD: WD green 120gb SSD/ 1 TB HDD
MOBO: Asus x470-Plus Gaming
PSU: Evga SuperNova 650 P2
Cooling: Antec 120mm liquid cooler


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