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Re: laptop power failure
Is the battery holding a charge? If the battery's no good, then I'm thinking the power adapter plug in has loosened from the motherboard, not completely, but enough so if moved just right, power is lost.
If the battery IS good, then you need to vacuum or blow out the fan/heatsink vents. It would be best, if this is the problem, to have it cleaned by someone with experience.
Let me know about if the battery is charging or not.
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Could be a problem with the flat cable (the connection from video to motherboard) but since your screen starts to fail after a little time could be a problem with the integrated Intel GPU too. If your model has the second GPU (Like Nvidia Ion) try to disable it and see what happen. A good test is to turn on you netbook and leave it on Bios settings page to see if the issue is software related or not. Another test is to hook an external monitor (if you have a VGA or HDMI port available) and see if the GPU is ok. If the problem is the flat cable you can try to replace it but if you have a faulty GPU and you are out of warranty you need th replace the entire motherboard because normally GPU is part of the chipset and can't be replaced.
Sounds like you might have a partial power supply failure. Try unplugging the power supply from everything. Ther should be a switch on the back that is red and says something like 115/220 just flip that switch over to 220 and wait 5 minutes then switch it back to 115 and replug everything in and then try it. If it doesn't work then unplug everything again and let it sit for about 30 minutes (this resets the power supply) and reconnect the wires and if that doesn't work try getting a new power supply. In partial PCB (Power Supply Board) failures the problem is that trere isn't enough power going to the system to start up so sometimes resetting the PCB will fix it temporary. You should get a new one anyway. that one will fail completely soon. Good luck!
Maybe there was a power surge or spike that damaged the router. But if you unplug it and wait a minute or two, then plug it back in, maybe that will reset it. If it is a router, there's usually a small red button on the back, sometimes recessed, that will reset it and that might cure it.
The same thing happened to me today. I was just sitting in my room then i hear a click and the cpu is on it stays on for a while then cuts off. It then cuts on and off with few seconds in between. It then stays in that way cutting and off for about a minite or two and then cuts off completely. A few minutes later it starts again. Also in the time it its off it will not turn on by pressing the power button. Sometimes it completly boots up by itself and then shuts itself down. If I shut it down manually while its on it'll turn itself on immeditaly after. What's going on! Will the warranty cover it? Do I need a new computer?
This is a problem with the cable that runs from your laptop to the monitor.
Or the VGA Output socket, on your laptop itself.
1:) Try using the monitor, on a different PC Or Laptop.
2:) Toggle The LCD/VGA Button on the laptop. ( This should change the display Mode )
Sometimes you Have A fn key, on the keyboard. Press fn And LCD/VGA.
3:) Check that there is no damage to the cable from laptop to Monitor.
If none of the above work, it,ll be the monitor itself. faulty panel or invertor board.