Question about Sony VAIO VGN-N250N/B Notebook

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Power on issue

Hi,
I am unable to turn on my notebook, sometimes it starts but automatically it gets off after 5-10 minutes.
I checked the power adapter, it seems there is no issue with it.

Kindly help me in this regards.
Bala....

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Take out the battery of your laptop then put it again, also check whether the cooling fans are working or not, or
you can also check the status of your battery by putting some other working battery

Posted on Oct 24, 2008

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I have rear projection tv sharp 55u-wp7h. Unable to turn on tv due to view timer automatic turn on. what cause that and how to fix the problem?


I'm having same issue with same TV. It powers off after about an hour and red power light starts flashing. Only way to power back on is by unplugging TV and waiting a while, then plugging it back in, but then the TV will turn off again after a few more minutes, red light flashing again. I've checked the sleep timer and it is turned off, so any other solutions to this problem? All capacitors on power board look fine (not blown). I've read it could be solder joints in power board need to be resoldered.

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I periodically can't get my computer to start running.


this occurs mostly due to static charges. perform the following:
1. Turn off the PC and disconnect the power supply.
2. Remove the battery from the notebook.
3. Press and hold the power button for 45 seconds.
This will discharge the static charges from the pc. Now check for the issue.

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G60-235DX PC Notebook: will not turn on, with battery that is charged or ...


Please perform the below steps :

Due to regular use of the notebook, some static charges tend to stay in the computer, and sometimes results in not allowing the computer to function properly.

Please follow the power drain procedure to confirm the same:

1. Disconnect the AC Adapter.
2. Remove the Battery.
3. Hold the Power button down for 30seconds to 1 minute.
4. Put the Battery in.
5. Reconnect the AC adapter.
6. Turn on the Notebook power.
7. Restart the Notebook.

If the Notebook boots up you may fix the battery back. Try restarting the computer only with the AC power, without the battery & vice-versa. If the issue still persists then I request you to reset the memory modules, as sometimes the memory module connection get loose.

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My apple computer's power button doesn't work and I am unable to turn my computer on. How can I turn my apple laptop on?


You didn't mention whether you were starting from battery or power cord. Try this: Pull the battery out and leave it out for five minutes. Your system should reset itself. Do not try to start with the power cord, simply to bypass any issues there might be with the DC-In port.
If your machine doesn't startup, then it could be one of two problems: 1)A logic board issue or 2)A DC-In issue (if you're trying to start from the power cord). At that point, unless you're comfortable with dismantling your Mac, I highly recommend finding the nearest Apple store to have them run a diagnostic (not repair... diagnostic gives you a ballpark idea of the problem without costing you an arm and a leg).
Hope this helps!

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Dell Inspiron 1525 not turning on


hi. I suspect that you have either a dead battery or just need a reset. unplug the power cord and then remove the battery. wait two minutes and reinstall the battery.
this will reset everything. now try turning it on. if it won't come on plug in the power cord and charge the battery for 30 minutes before attempting to power up.

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Won't stay on when plugged in. Battery? Power cord is new, could it be the power port on the computer?


Hi !
It might be your power adaptor !

I am not sure, but usually it should have a red/yallow led while charging and green when charged !
Read your manual.

Also, check power settings in control pannel.
There, you can find power schemes that turn off your laptop automatically when some time pass.

Set NEVER when plugged on power!

Check screen saver settings (and turn it off - NONE)

Also it should not turn off if there is any user activity!

At the end, if you are sure that there is no problem with your power unit, than checking and setting power OPTIONS in control pannel, should solve your proplem.

Regards.

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hi,
Please try following DIY
1.Please remove the battery and then press the power button for a minute without connecting the adaptor then refix the battery and check whether it is working.
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