so a couple weeks ago my pc would not power up if i press the button and i had to unplug the power cord from the back and plug it back in then usually it worked again, today i tried to power it on and its completely dead, no power comes from the motherboard, tried changing cmos - tested with an old pc of mine and the psu works in there it boots the pc up, also that pc has nother issue which i cant resolve, it powers on , but it keeps showing no signal on the monitor. i have no idea how to fix either of this and have a feeling that the motheboard might be dead, as for the other pc i think motherboard or cpu mightve been damaged , the parts in question is fairly old ( pc 1 - the 1 that has the dead motherboard is a old 3rd gen i7 ) (pc 2 - is an old 1st gen i7, im in no position to upgrade either of them and would rather just try to fix 1 of them atleast, ) the power supply is a corsair gs500 any advice i could follow? and any help would be much appreciated
so far what ive tried regarding PC 1 ( pc with motherboard not recieving or outputting power)
- plugged psu into a different pc
-use a different psu
-reset the cmos
- disconnected the power switch and tried to boot it with the "short " method
-unplugged everything else (ram , gfx card ,drives ect)
and with pc 2 ( showing no signal whilst being up and running )
-unplugged the ram get no beep sound
-tried booting with and without gfx card ( gtx750 ti )
fans everything power on all lights are on the mother board but no display,
tested with several monitors, tested hdmi - vga and dvi , and display ports
so far what ive tried regarding PC 1 ( pc with motherboard not recieving or outputting power)
- plugged psu into a different pc
-use a different psu
-reset the cmos
- disconnected the power switch and tried to boot it with the "short " method
-unplugged everything else (ram , gfx card ,drives ect)
and with pc 2 ( showing no signal whilst being up and running )
-unplugged the ram get no beep sound
-tried booting with and without gfx card ( gtx750 ti )
- ( tested gfx card and it works fine )
- pc did this a while back aswell where if i moved it it would do this no signal thing and after a while of fiddling it would work again but havent been able to get it on this time
fans everything power on all lights are on the mother board but no display,
tested with several monitors, tested hdmi - vga and dvi , and display ports
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