Posted January 23, 2020 Greetings everyone My PC has been working flawlessly for 1,5 year now. Today I swapped my GTX 1050ti for 1060. Everything was working ok, then I swapped back to 1050ti to run some benchmarks and make sure everything is ok with it before I sell it. I put it and turn on the pc, but forgot to plug in the power 6pin cabel, so I had to shut down the PC. After I plugged the 6pin cabel and turn on PC, I don't get any display and my keyboard and mouse LED's don't lit up, so I assume they don't work. Every system, CPU and GPU fan work, also LED's on motherboard and GPU work fine. The EZ DEBUG led's lit up in that order: 1. CPU and DRAM ON at the same time 2. CPU and DRAM OFF at the same time 3. CPU ON, then DRAM ON. 4. Both OFF at the same time Then points 3 and 4 repeat a few times. What have I tried to fix it? 1. Tried with one memory stick at the time. I tried both memory sticks, it didnt help. 2. Reseted CMOS by both removing battery, then shorting CMOS pins 3. Unplugged every drive and USB device excluding mouse and kb. 4. Tried both graphics cards. Nothing has helped. I assume that either MOBO or PSU is not working properly. Can I do anything else to fix it? My PC is: MOBO: MSI B350 Tomahawk CPU: ryzen 1200 GPU: Msi GTX 1050ti / Zotac AMP GTX 1060 6GB PSU: bequiet System Power 8 (500W with 80 Plus) DRAM: Patriot Viper 2x4GB 3000MHz Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted January 23, 2020 Checks PSU cables. M.S.C.E. (M.Sc. Computer Engineering), IT specialist in a hospital, 30+ years of gaming, 20+ years of computer enthusiasm, Geek, Trekkie, anime fan Main PC: AMD Ryzen 7 5800X3D - EK AIO 360 D-RGB - Arctic Cooling MX-4 - Asus Prime X570-P - 4x8GB DDR4 3200 HyperX Fury CL16 - Sapphire AMD Radeon 6950XT Nitro+ - 1TB Kingston Fury Renegade - 2TB Kingston Fury Renegade - 512GB ADATA SU800 - 960GB Kingston A400 - Seasonic PX-850 850W - custom black ATX and EPS cables - Fractal Design Define R5 Blackout - Windows 11 x64 23H2 - 3 Arctic Cooling P14 PWM PST - 5 Arctic Cooling P12 PWM PST Peripherals: LG 32GK650F - Dell P2319h - Logitech G Pro X Superlight with Tiger Ice - HyperX Alloy Origins Core (TKL) - EndGame Gear MPC890 - Genius HF 1250B - Akliam PD4 - Sennheiser HD 560s - Simgot EM6L - Truthear Zero - QKZ x HBB - 7Hz Salnotes Zero - Logitech C270 - Behringer PS400 - BM700 - Colormunki Smile - Speedlink Torid - Jysk Stenderup - LG 24x External DVD writer - Konig smart card reader Laptop: Acer E5–575G-386R 15.6" 1080p (i3 6100U + 12GB DDR4 (4GB+8GB) + GeForce 940MX + 256GB nVME) Win 10 Pro x64 22H2 - Logitech G305 + AAA Lithium battery Networking: Asus TUF Gaming AX6000 - Arcadyan ISP router - 35/5 Mbps vDSL TV and gadgets: TCL 50EP680 50" 4K LED + Sharp HT-SB100 75W RMS soundbar - Samsung Galaxy Tab A8 10.1" - OnePlus 9 256GB - Olymous Cameda C-160 - GameBoy Color Streaming/Server/Storage PC: AMD Ryzen 5 3600 - LC-Power LC-CC-120 - MSI B450 Tomahawk Max - 2x4GB ADATA 2666 DDR4 - 120GB Kingston V300 - Toshiba DT01ACA100 1TB - Toshiba DT01ACA200 2TB - 2x WD Green 2TB - Sapphire Pulse AMD Radeon R9 380X - 550W EVGA G3 SuperNova - Chieftec Giga DF-01B - White Shark Spartan X keyboard - Roccat Kone Pure Military Desert strike - Logitech S-220 - Philips 226L Livingroom PC (dad uses): AMD FX 8300 - Arctic Freezer 64 - Asus M5A97 R2.0 Evo - 2x4GB DDR3 1833 Kingston - MSI Radeon HD 7770 1GB OC - 120GB Adata SSD - 500W Fractal Design Essence - DVD-RW - Samsung SM 2253BW - Logitech G710+ - wireless vertical mouse - MS 2.0 speakers Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted January 23, 2020 Reseating power cables sounds like a good place to start just like 191x7 said you might have loosened a connection during your GPU swap. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted January 23, 2020 Author Checked everything twice, looks to be fine. Also I think I will check if the PSU voltages are good, but I don't have a tool to do so at the moment. I will update when I do Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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