I just bought a new motherboard and managed to swap everything....except the power switch cable
Except the original power switch cable (and LED,etc) isn't the right connector type (16-pin) on my new motherboard (biostar pm4900-m4) and the cable is too short to reach the right board connector as well.
how can i mod the connector type/length so it works with the board that i've just purchase and swapped everything over to?
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Re: i just bought a new motherboard and managed to swap...
Whew..that's not as simple as it looks. You'll need a pin out configuration guide, if one exists, or you'll need to make one. The power interface from front panel, is usually unique to each Dell, so its' not likely to swap over. got backup for that Dell?
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Try to remove all components all drives (hard drives, cd/dvd roms, floppy drives, etc), all additional cards (modem, video card, sound card etc), remove the memory. Just leave the motheboard, proc and power supply. Before disconnecting everything completely discharge power by holding down the power button while the computer is unplug from the power. It should clear the flea light on the motherboard.
Test it again with just the motherboard, processor and the power supply. If still no power then most likely it is the motherboard since you already put a known good power supply. Motherboard has higher failure rate than the processor. You can swap a known good processor if there is.
Try swapping the power button connection with the reset button connection. Then to turn on your computer you will need to press the reset button. If that works you have a faulty power button. Otherwise try using a different PSU. One that you know works. If that doesn't help the motherboard will have to be replaced.
check the cable connections initially Remove the power cord from the cpu Remove the cmos battery and reset the bios by changing the jumper which is present to reset bios in motherboard. Place the jumper as if it was present already Insert cmos battery and switch on the computer
Are you sure the new motherboard was of the same revision as the old one? Dell shipped 400FSB boards during the beginning of the 1600SC line and shipped 533Mhz boards during the end of the run. I would check the revision level of the motherboard to make sure it is compatible. If it's the same revision, I would start small and connect just one CPU and put the system at 512mb ram and see if that works. If this works, you can begin to add additional components as needed.
You'll need to know the model of your motherboard, and search for the motherboard manual in the internet if you don't have one.. in the manual search about the power pin connections and you will see where to connect those wires into the pin..TY
If you have not removed the old motherboard from the case, then you can identify the various front panel connectors as you disconnect them and label them. Some front panel connectors have labels printed on the connectors which makes it easy for you to identify its purpose. If you have already removed the old motherboard then you will need to trace each of the leads to the front panel to see what they are connected to (eg. the LEDs and switches etc).
You will also need to identify on the new motherboard the various connectors for each function, eg power LED, hard drive LED, reset switch, power on switch, internal speaker etc. If you are lucky It may be printed on the motherboard, if not you will need to refer to the manual.
NOTE the LEDs are polarity sensitive, if the LED does not light, then swap the connector around the other way.
You're board does not use an integrated graphics card. Monitor does not have video display. There can only be four reasons why. 1. The monitor's video cable is not connected correctly at each end (Video card & Monitor) or cable is bad. 2. The monitor’s power cord is not plugged into a good power source or cable is bad. 3. The monitor may be bad. 4. * The AGP graphics card is either not seated correctly in its AGP slot, (remove/clean copper contacts with alcohol/allow to dry & reseat snuggly), or graphic's card is bad. Monitor’s power cord can be switched with the PC's power cord. The video cable & monitor can be swapped by borrowing from a friend. (Just make sure their stuff is working first). Never open the PC case without unplugging the power cord first.
First things first:
1) You just change the power on button for other, on Radio Shack they have it.
2) cables that came from the motherboard to the ON/OFF SW. you have to soldering with the new Power Button, thats it. very easy task! you can use any power botton to fix this.