will clearing cmos help me

Hewlett-packard Compaq d330/d530 socket...
September 24, 2009 at 15:26:39
Specs: Windows 7
my computer seems to boot fans are running.But my monitor says no signal and ive tried another monitor. would it help to clear cmos???

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September 24, 2009 at 15:45:28
It's possible, if your CMOS settings were messed up and kept the CPU from operating.
But it's more likely to be something else, like maybe a power supply problem.

Just because the fans are running does not mean the power supply is working 100%. It has several voltages to supply.

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September 24, 2009 at 16:16:50
Failing power supplies are common and can cause your symptoms.
Check your PS.
They often partially work, fans and hard drives may spin, leds may come on, yet you may get no video and the mboard will not boot all the way.
See response 4 in this:

If it is failing, you can usually replace it with any decent standard sized standard ATX PS with the same capacity or greater.

Standard (PS/2) power supply size - 86mm high, 150mm wide, 140mm deep, or 3 3/8" h x 5 7/8" w x 5 1/2" d , or very close to that, though the depth can be more or less for some PSs.

Don't buy an el-cheapo PS.
See response 3 in this:

If you have installed a newer video card in the AGP slot......

Your power supply must have at least the minimum capacity required to support a system with the graphics card you are using installed, or the max graphics card you might install in the future.
(Onboard video - video built into the mboard - IS NOT A CARD!)
You can go to the video card maker's web site and look up the specs for the model - often under system requirements - the minimum PS wattage, and, more important, the minimum amperage the PS must supply at 12v is stated. If you don't find that, any card with the same video chipset including any letters after the model number has very similar minimum PS requirements.
Some power supplies have more than one +12v amperage rating - in that case you add the rated max amperages to determine the total +12v amperage rating.

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