Electrolytic filter caps on the mother board have failed, and shorted. A dead short will sound like a gun firing inside the cabinet. A gradual short will make the can expand and split or work its way off the innards of the component
I was looking for a solution to my problem and ran across your post.
I have the same problem.
Here's what I found to get it working:
I put the RESET jumper on the PWR on/off posts.
Some reason the RESET button will turn my unit on, but the POWER button will not.
Another finding when hooked up "normal"... if I remove the power cable and plugit back in the PC boots up. The POWER button will turn the unit OFF... but will still not turn the PC ON.
So for now I am using my RESET button as my power switch. What I'm trying to find out now is "WHY?"
-Hope this helps!
Do you have a LAN connection on the machine that you use? That would be an area to start to make sure that (when a LAN cable is plugged in, the incoming and outgoing lights will blink) the power supply still works. If the power supply does still work, it could be the motherboard or CPU which isn't working. It could be something simple like thermal compound needs to be reaplied to the CPU, or there may be faulty hardware. Let me know if the power supply is still working.
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well..this problem occurs sometimes with yahoo messenger 10. so you need to know how can you sign in, when you try to sign in on yahoo messenger 10, please go to messenger settings and then in the connection settings tab, please select your network type, i mean if your network connection is broadband, select broadband..if you are using dial up modem, select it or if you are using lan..select it...then try to login again..
i think your problem has been solved. thaks for using fixya
This could be a few things though if you have already checked the memory and HD. The next thing I would tell you is that you should check the cpu. Also make sure that everything in the BIOS is set to the default settings when you start it.
is there a post beep when the pc is switched on. check the memory if it is a beep beep beep sound , also disconect the hard drive, dvd drive, floppy, and any usb devices and see if it boots up. if that fails it does seem like the mother board, also check the cpu fan has it stoped. also find out the power switch conector on the mother board, from the base unit switch to the mother board. also chech the power connector from the power supply to the mother board , on newer boards there are two that go to the mother board its self , a big one and a very small one .
phalitao, you need to check you're power supply it may be bad.
No PC or notebook will boot without memory. However in your case I would recheck all power connections from the power supply to the board. Remove & reseat all power connections.
Please use you're manual help guide you. Also on the back of you're power supply (on most PSU's), there is a Red slide switch. Please make sure it is set to 115v & not 220v. After all this checking & you do not see life from the board, suggest you replace the power supply with a min wattage of 400w. Or borrow a PSU of 350w or better.
Please post back with you're findings.
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