I have Foxconn 45GMX-U with P4 and DDR2 and in some day the electrical voltage increased suddenly which cause damage to the power supply and burning the power cable, i bought a new power supply with cable and this problem appears "no beep no display on screen"
however the temporary solution that i have got is to reset jumper or "clear CMOS" but the problem still appear again and again with losing the sound after that problem . plese people help me to fix this .
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Re: no beep no display
If you have had an electrical power surge.
It,s for sure that you have caused damage to the Motherboard-CPU And possibly The RAM ( Memory ) There is no fix for this. I,d suggest New Power Supply Unit. New Motherboard. You can then Try The Memory And CPU On The New Board/PSU.
You may be lucky And the memory and CPU May have survived.
It seems as if the motherboard has suffered the damage.
I,d also suggest investing in a surge protector also, once bitten twice shy.
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According to Intel 945G chipset supports Celeron D up to Core2Duo. Intel
Gigabyte's 945 DS3 even supports up to Core2Quad. GByte
Foxconn has 3 mobo bios from there site. Foxconn
According to their date: Latest to oldest
4BFF1P56No Version4BFF1P40 Have you tried installing the no version bios?In my experience some latest bios have some problems with other devices so try to use the no version bios. or try a different mobo bios with the same chipset from Foxconn. below are two foxconn mobo models i can't see the difference. 945G7MA-8EKRS2945G7MA-8EKRS2H Update at your own risk.. hope this helps, thanks for posting.
If you motherboard will accept the P4 speed you want, you will NOT need to change anything. The board will automatically adjust the voltage when it sense the new cpu. I do recommend you upgrade your power supply that will support the voltage requirement. Most time when vendors build a pc with a low voltage cpu they usually use low voltage power supplies.
Check your motherboard specs, inparticular the voltage requirments and processor that are compatiable with your model board.
It would show overload if you're drawing more power than it can supply. 1500 Watts is a very high output for an inverter but that is the maximum it's capable of. As with any electrical supply you should not draw the maximum power it's capable of as this can cause it to burn out. Around 1200 would be the max you should draw continuously. You need to check the power requirements of whatever you're running on it. Also you need to check that it's capable of taking 13.8 volts. If 12 volts is the recommended input, putting in 13.8 will increase the voltage output which could damage appliances being run on it.
look for trouble in the low voltage and or high voltage power supply circuits. the popping sound could be an exploded safety capacitor in the horizontal output to the flyback transformer. the horizontal output transistor maybe damaged. chances are the low voltage regulator is also damaged.
Seems like the motherboard is broken...
Yous hould first try the PC with another motherboard, if you have one and are able to switch all the components.
If then the PC boots, the motherboard is broken. You could try taking it to a computershop, maybe they can spot a problem, but I guess if something, like a fuse or a single wire, burnt through the only way to fix it is to replace all of them, which would be more exoensive than a new motherboard.
If you need any help finding a new motherboard just ask me.
Its a memory problem obviously. Try dusting the memory slot and try inserting the memory into the slot a couple of times. If still not working, the memory may be incompatible(rarely, there are brands of boards that doesn't suit to certain brands of memory), or it may be damaged.