My Dell D610 power light comes up and turn back off.
please help me to how do i take care of my laptop that turn on power and turn off back...
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Try removing the battery and then boot up using the ac adapter. See if the keyboard lights flash and if the Dell splash screen appears. If the system turns off immediately, the problem is a bad motherboard. It may be getting a false indication of over heating which will turn the system off to protect the processor. It also could be a power management problem. The over heat detection and power management are built into the motherboard.
If you get a beeping noise, count the beeps and let us know. There are several beep codes that indicate what has failed. This would indicate that the motherboard is good but a component such as memory has failed.
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What happened before this? Have you tried removing the battery and just plugging it in? Are you using an original ac adapter/battery? Has any work been done before it broke? Do you get any beeps or blinking lights? How long does it last before it turns off?
da Cameron