[Jashan]

Hi..Thanks for reading
My PC is giving me problems when i swith on power button all fans runs for 2-3 sec and keyboard lights up then everything dissapera!!!!
Sometimes pc runs for 5-6 secs then after making a noise i cant explain(i get this sound when my pc shuts down) everything again stops....My PC was also suffering from heat problems then i buyed new cup cooler it make it good....But now me having this prob..Me a COD 4 player and i miss 1 tournament match and our team lost ....Plzz help me...

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Hi Jashan
Just checked your specs in your profile and I believe you have an idea of what may be the cause of the issue;

Non branded 450W PSU!!!

[phillpower2]

Hi Jashan
Just checked your specs in your profile and I believe you have an idea of what may be the cause of the issue;

Non branded 450W PSU!!!

[Jashan]

oh!! than power supply is causing problem..U sure that it is power supply error???

[phillpower2]

oh!! than power supply is causing problem..U sure that it is power supply error???

A very strong possibility yes, the best course of action is for you to try a known
good power supply unit, can you borrow one from a friend? If not you will need to
have a tech test your PSU, some will do this for free others will not.
Check out the informative post by Digerati @ http://www.geekstogo...-a-psu-problem/
There is a very basic test you can do with the PSU but as PSUs put out different rates
of power +3.3V, +5V and +12V etc any one of these may be bad so the test is not conclusive.

[123Runner]

While the PSU being underpowered is a definite possibility, what does the following mean?

My PC was also suffering from heat problems then i buyed new cup cooler it make it good

When was the last time all the fans were cleaned in the unit?
Are all the fans working?
Is the CPU fan working?