Ziggie is right on target. Remove as many components from the equation as possible. Even with no drives or NICs connected it should display the Power On Self Test.
A couple things I'm curious about:
Did the hard drive light flash when you powered on?
Did the power light on the monitor change color when you turned on the computer (usually orange to green)?
Have you tried a different outlet for the monitor?
I tried all the above and thanks for the article but not much use to me but i think the psu has died because i noticed on another computer in my house the fan on the psu spins straight away on boot up but mine doesn't as well the psu i have doesn't seem to be supplying much power to the computer
[quote="BenDunne":3qrvocjw]I tried all the above and thanks for the article but not much use to me but i think the psu has died because i noticed on another computer in my house the fan on the psu spins straight away on boot up but mine doesn't as well the psu i have doesn't seem to be supplying much power to the computer[/quote:3qrvocjw]
That's very possible Ben, which is why I asked the questions above:
[quote:3qrvocjw]Did the hard drive light flash when you powered on?
Did the power light on the monitor change color when you turned on the computer (usually orange to green)?
Have you tried a different outlet for the monitor?[/quote:3qrvocjw]
I wanted to eliminate the obvious. Does the HD have power - light will flash. Does the monitor light change color - bad inverter or bulb in an LCD monitor. Different outlet - sometimes they go bad.
Not all power supply fans spin at power on. However, a psu is pretty easy to test with a multimeter. Everything is either ground, +3v, -3v, +5v, -5V, +12v, or -12v.
Black = ground and the other voltages emanate from 'voltage rails', meaning all similar voltages come from the same place. Because of that if you have +5 volts on one connector you will generally have it on all of them, unless there is a problem with the connector (which is uncommon).
If you don't have a multimeter, or aren't comfortable using one, then take a few moments and switch them.
I can't find the hdd light usually it's on the outside of the case but I found it inside the case and I usually don't see it flash when my computer was working and still doesn't flash and the Monitor light stays orange and doesn't change to blue and trust me it's not the monitor because I've tried it with two other pc's and i tried the other psu but it has only a 20 pin motherboard cable when I need 24 pin.
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