Having problems with your Dell OptiPlex 170L PC Desktop ?

Power light blinking

\015 Last night my computer went down, however it was online for 3 days in a row.Following the crash, i waiting and restarted the computer it loaded and went down windows and everything was normal but in less than a min it crashed again.I opened the case try a few things and nothing much happened, then with various intervals i kept on switching on, something it reached to windows user pass stage and goes off.the only light blink when it does not load is the power light, i also tried to unplug the processor power then the light light does not blinks, but when i connect it back sometime it loads and goes down like somebody pull off the cables out or something.No blue screen error nothing so far.can you please suggest.Its 3.0 170L with 1 GB ram and 160 GB hard disk\015

Answers :

If the power just shuts off for no reason when booted up,it may be the power source is on the way out ,it will work for a while, but keeps crashing, thats the first thing to replace
\015\012also make sure you hear the fans working
\015\012if it overheats it has a safty shutoff ,
\015\012you can also use a house fan, aimed inside the computer while open, to rule out power source
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