CPU is not booting, CPU & SMPS FAN is working, but CPU power lig

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Pyxis30 Posts 1 Registration date Thursday December 29, 2016 Status Member Last seen December 29, 2016 - Dec 29, 2016 at 12:54 AM
R2D2_WD Posts 3606 Registration date Monday September 1, 2014 Status Member Last seen February 20, 2017   - Dec 29, 2016 at 03:39 AM
Few days I used my PC, it was working fine then I properly shut it down, but today I am trying to switch it ON, it's not working. Following is the present state of PC...As I switch ON the power, Both the SMPS and the CPU fan are working at their regular speed, but the POWER light is not ON (remains OFF) and obviously the system doesn't boot that is BLANK screen on the MONITOR. (No Signal)

System Model: HP Compaq dx7400 Microtower
Processor: Intel(R) Core(TM)2 Duo CPU
Memory: 2 GB

Please help me. Thank you
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1 response

R2D2_WD Posts 3606 Registration date Monday September 1, 2014 Status Member Last seen February 20, 2017   155
Dec 29, 2016 at 03:39 AM
Hi Pyxis,

It seems that there is a power related issue. Sometimes the power may be enough to run the cooling fans but not enough to boot the system. You need to check the condition of your PSU or try with another one. I suggest you to seek assistance from a technician, because they usually have a lot of power supply and can check if the PC will boot with another one before actually buying a new PSU.
A faulty PSU may cause hardware damage in the future.

Hope this helps

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