Computer cannot start, after suddenly shut down

When i on my computer ( Dell Dimension E520 ) for three hours, suddenly shut
down my computer, But a start button keep on flasher.
I tries to on it back after shut down, but in vain, i believe sometime do
with power supply. because after next day computer can start again. ( Many
time ) ... Why ?

It seems to be overheating, clean out the inside of your computer and make
sure all fans are running properly...

--
Randem Systems
Your Installation Specialist
The Top Inno Setup Script Generator
http://www.randem.com/innoscript.html
Disk Read Error Press Ctl+Alt+Del to Restart
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"jamesron" <> wrote in message
news:0BCC4DA6-38D3-4D9A-B8E6-...
> When i on my computer ( Dell Dimension E520 ) for three hours, suddenly
> shut
> down my computer, But a start button keep on flasher.
> I tries to on it back after shut down, but in vain, i believe sometime do
> with power supply. because after next day computer can start again. ( Many
> time ) ... Why ?

In addition to what Randem mentioned:

<http://www.bleepingcomputer.com/tutorials/tutorial118.html>
-=-

"jamesron" wrote:

> When i on my computer ( Dell Dimension E520 ) for three hours, suddenly shut
> down my computer, But a start button keep on flasher.
> I tries to on it back after shut down, but in vain, i believe sometime do
> with power supply. because after next day computer can start again. ( Many
> time ) ... Why ?