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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Try removing the battery and power on with the adapter. If you get boot, then you have a bad battery. If not then you adapter is more than likely not producing enough power to power the unit. You may also try allowing the battery to charge over night without trying to boot, If this doesn't do the trick, remove the hard drive and CD/DVD rom and one stick of memory. Try booting with just he adapter. Do the same with the other memory card and then swap memory slots and try again. If this doesn't produce a boot, you may have a broken connections in the laptop power connector. This will require a trip to a reliable repair shop.
Power down completely and then remove the memory stick. Wait a full 30 to 60 seconds with power off. Power up to start boot process. Pay attention to the screen while booting to note any messages during this time. If the computer fails to boot still - check the drives (floppy, CD and DVD) to be sure none have disks inside - remove any if found. Attempt a warm reboot if possible - otherwise perform a cold / hardware reboot.
If still not booting, access the computer's BIOS and make sure the information on those pages are correct. If in doubt, set any unknown values to "default" or auto detect. Be sure that the bootable hard disk appears in the boot order somewhere - if not the set as the first bootable device.
Once booting successfully into the OS, insert the memory stick and attempt to read the contents. Many applications that ship on memory cards are not bootable - but yours may. Read the info supplied wit the memory card fully to be sure.
If unable to boot the computer, provide the manufacturer's name, model and your OS. Also include the name of the application on the memory card.
Hopefully, you'll have gotten the computer started before needing to write back with more info. I hope his was helpful - and good luck!
Does it have a built-in system beep buzzer? or else you need to connect one. The system beep has a code and will tell you if your video is not connected or your memory is not detected.
Try to make it boot even until the bios screen. Check your video card or your monitor connector. A single beep is a good sign that your motherboard has no problems. hope this helps
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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