Solved system boot some times and some times not

January 30, 2014 at 03:01:59
Specs: Windows 7, intel 13-540,4GB
i have an Intel i3-540 with Intel desktop dh55pj, 4gb ram ,1TB HDD and zotac 210 1GB graphics card and a cheap cabinet with cheap power supply of 450w. my system is 20 months old, everything i purchase is new , but now since one month my system some time boot some time not , even processor heat sink fan running, light goes on and additional fan running but no display in monitor and also i noted the power LED and HDD LED not glow as much as when it boot proper, i check each and every component, mobo is ok , Ram is ok then i disable my graphics card from BIOS and run on default VGA from mobo, it works fine for 3-4 days i become very happy that i diagnose the problem and my be my card is faulty,but after 3-4 days it gives the same problem,kindly help , even i tested another power supply of smae wattage but result is same, but

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January 30, 2014 at 05:45:36
"cheap power supply of 450w". That may well be your problem. Post the full model number of the power supply or all the information off the back of it.

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January 30, 2014 at 18:25:22
✔ Best Answer
Buying cheap power supplies is ALWAYS a bad idea, exactly because things like this happen pretty much every time when you cheap out on the PSU.

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February 1, 2014 at 08:03:05
The Corsair 430W PSU is an excellent unit & can regularly be found for $20-25 after rebate, it is inexpensive but not "cheap". It has excellent specs & an excellent reputation.

"even i tested another power supply of smae wattage but result is same"

Wattage is NOT the most important spec plus it can be easily misrepresented. There are plenty of high quality 250-300W PSUs that are better than low quality 500W PSUs. ALL the specs have to be taken into consideration & you need to know what to look for. Please post the make/model & amperage specs (+3.3v, +5v, +12v) to the 2 PSUs that you've tried; check the label on the side of the unit.

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