Fans come on but system wont boot Tags: Chipsets Boot Motherboards Last response: October 13, 2012 4:31 PM in Motherboards Share gumbone October 13, 2012 2:26:12 PM an MSI 740gtm-p25 mother board. fans and light come on but no beeps or video signal. i bought a new 400 watt power supply. still doesn't work. More about : fans system wont boot | E-mail me updates | Report abuse Register or log in to remove knightdog56 Motherboard Expert October 13, 2012 3:46:00 PM Give more details, is this an old system that quit working? or is this an update of an older system? | Report abuse gumbone October 13, 2012 4:04:03 PM fairly new system i got it last year. bought a bare bones combo mobo, processor, ram, and hard drive. it worked until now | Report abuse knightdog56 Motherboard Expert October 13, 2012 4:31:12 PM What made you decide to buy a new power supply? Please list make and model of power supply. Also reseat the memory and the video card (remove and reinstall). | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Motherboards>Fans come on but system wont boot> Related ressources: ForumFans come on , computer won't boot ForumSystem won't boot , fans don't spin. ForumJust put together first build. fans come on but mobo won't beep ForumFans don't come on after boot . ForumMy computer wont boot but fans come on. ForumComp wont boot , no beep, just fans and lights ForumNew homebuilt system up for over a week now won't boot Fans /Lights on ForumComputer won't boot and power supply fans won't power up. ForumNew build won't boot , no lights, no fans , no sounds ForumPC wont boot , fans spin up for a brief moment then quit Forumprocessor cooling fan wont come on ForumFirst home build keeps locking up and won't come on ForumComputer fans come on but does not boot ForumCannot boot , fans won't spin either, but MB LEDs light up ForumPC won't boot /post, fans spin...etc though ForumHelp updating BIOS Forum[Solved] Will my motherboard bottleneck my system? ForumWhat exactly is a Legacy ROM option in the boot section of my BIOS ForumP8Z77-V Pro (G.skill F3-12800CL9D-8GBXL) Wont Boot Dual Channel. Forum[Solved] Boot Device Led and VGA Led on ASUS M5A99X EVO More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !