My system seems to be dead. When i hit the power on button i get nothing. the only light that works is the +5vsb. no response at all. i removed part by part to see if there was a short or anything. i couldnt find a short. i checked all the cables, re-seated all the plugs and still nothing. i thought it could be the power supply that went bad but when i used a different supply on the same board all i get once again is the 5vsb.
Do you think i should just go and invest in a new motherboard ?this is my second foxconn board, the first i recieved got on fire the first time i tried to boot it up. so i'm not concerned with warranty replacement as i will never use a foxconn motherboard again. any advice would be greatly appreciated.
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Let me briefly explain what happens when you turn n the key. All power is off in the off position with the possible exception of the brake light. When you turn on the key, you supply power from the battery to the electrical system. Typically, all systems are powered through a connection on the start solenoid. When key is on and the solenoid is in the off (or rest) position - all electrical works. When you energize the start solenoid, you need all the power you can get to run the starter - everything electrical turns off. After the start, you release the start button, everything electrical comes back on (solenoid returns to the rest position). In your case, you say everything goes dead when you press the start button - this is as it should be - however, the mechanics of this system should deliver power to the starter - which evidently it is not. (A solenoid is nothing more than a electric powered heavy duty switch) It is possible your solenoid is worn out. There is heavy sparking/burning of the contacts every time you press the button. First thing to do is check voltage on the start side of the solenoid when you press the button. Voltage should be the same as on the hot side with the key on. Other possibilities - the wire from the solenoid is loose, damaged or disconnected, check both ends for tightness and cleanliness. There is that possibility there is a problem with your starter. Removal is not for the faint of heart though it is possible. There is also that possibility your engine is locked up and your starter can not turn it over because of that. If this is the case and you have a amp meter - you will see heavy draw on the starter wire. If you have a volt/ohm meter, you can so all the prelim checking. I hope this helps you with your trouble. Good luck and thanks for using FixYa.com
This is the explanation according to the service manual.
This is a system fault error condition, including the power supply.
Only the +5VSB rail on the power supply is working correctly.
Ensure all power cables are securely connected to the system board.
Ensure the main power cable and front panel cable are securely connected to the system board.
If the system was abnormally turned off, you need to disconnect and plug
in the AC power cord. Then turn on the system. Otherwise, you may
see an incorrect power light state.
You either have a bad power supply or something is shorting out your power supply. Disconnect all devices from your computer except the monitor, keyboard and mouse. Also check your USB ports to see if any are damaged.
You either have bad terminal connections on your battery or the anti-theft system has a system or sencor problem . I would really recomend that honda/acura check your electrical system and anti-theft system
1999 CONCORDE: check the battery terminals probably they are not tight enough...something like that happened to me just the lights turned on and the car seemed to be dead, the battery is still ok since then. I just needed to buy new terminals.