changed cpu host/dram clock settings pc wont boot monitor remains on stand by

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Clear your CMOS settings back to factory defaults. If you're unsure as to how to do this, post the exact Make/Model number of your machine, or, the make/model of the motherboard.

it is home built pc cant find make or model of pc all i can find on motherboard is a sticker 630CN funny you should mention about guitars i hav 14 and also mad about music

Your motherboard is a Jetway 630CN. Manual can be downloaded from here; http://www.mobokive.org/Archive/Jetw...ual/index.html Scroll down to 630cfr3a-1.zip on the left.

Direct link; http://www.mobokive.org/Archive/Jetw...630cfr3a-1.zip

Page 9 outlines clearing the CMOS with JP6 thus;

You can clear CMOS by shorting 1-2 pin, while the system is off. Then return to 2-3 pin position. Avoid clearing the CMOS while the system is on, it will damage the motherboard always unplug the power cord from the wall socket.

See attached pics;

thank you for all your help this i done yesterday and it worked pc is working great cant thank you enough

You're welcome.

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