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My DV 9500, it can power on and work well with the battery, but when i connect to ac adpater without battery, it doesn't work.

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A lot of computers refuse to work without the battery, or work with a reduce capability (Apple laptops run slower if you remove the battery) due to power issues.

Posted on Mar 12, 2011

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The onboard connectors that your battery connect to on the motherboard no longer work that is your battery is not charging.

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Please remove the battery and ac power adapter. hold power on button for 1-2 minutes. Then try to power on laptop with ac power adapter without battery. check the display of laptop.
If not check the dc voltage of the ac adapter. is it the same voltage as written on the ac power adpater. if not same please try with another adapter.
If not remove the hard disk and ram. clean the fan,ram. Reinsert ram and power on with ac adapter. check the display.
Please check with external display if laptop is turned on but no display.

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My toshiba laptop wouldn't work well when connected to power source but will function well am using the battery


Laptop shuts off when AC adapter plugged in
Problem description: The laptop shuts off when AC power adapter is plugged in. The laptop works fine on battery power but as soon as you connect it to AC adapter, the laptop turns off.
Possible cause: 1. Power adapter failure.
2. Motherboard failure.

Possible troubleshooting steps and repair solution: First of all, test the power adpater. Make sure the apdapter outputs correct voltage. It's possible that the outup voltage is not correct and the laptop shuts down to prevent the damge. Test your laptop with anohter known good power adapter.
If the problem still exists, even after replacing the adapter, most likley it's the motherboard failure. Replace the motherboard

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My hp pavillion was no power, please give an advise.


There could be a problem with the battery. A fast check to determine whether you have a problem with the power adapter, power cord or the laptop's battery is to turn off the laptop, remove the battery, connect the power adapter, turn on the laptop & see if it works.
If the laptop works directly from the power adapter with the battery removed, then the power adapter is good. In this case we can suspect that the battery is defective & needs to be replaced.
To verify this, unplug your laptop & try to run it on battery only. Watch out how long it will stay on (if at all). If it didn't work on battery alone, or worked but for a very short time, then your battery is defective.

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1 Answer

The display is blank/black and while the battery light displays "charged' or on when connected w/power cord, when I disconnect the power cord, it shuts off completely and won't turn back on


SOLUTIONS:
Try to replace with another battery and check if its working or not else do the following
====================================
Try the following.
1. Remove battery and plug in the AC Adapter and check if it works
If yes - AC Adapter works fine
If no - defective AC Adpater
2. Check the AC adapter LED indicator if its lighted or not(double check by a multitester)
If lighted - it works properly
if not - replace
3. Try to reinstall WINDOWS operating system by the use of the installer CD
4. If problem persist - the motherboard might be defective.

Thanks. Cheers!

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Is my AC Adapter for HP Deskjet F380 out of order?


You can contact PRASHANT 9820930880.

I found this on the net while searching for the adapter. Placed the order just now. Not sure how genuine he is

we have hp all in one adapters model f/310/325/335/340/350/370/378/380/385/388/390/394 @400RS. CONTACT : PRASHANT 9820930880

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Replace your battery Some laptops don't boot up when no battery is present even it is connected directly on the power supply. Or if not to visit your nearest HP service center. If its still with warranty, use it.

Good luck kabayan. ^_~

regards,
-engrkoiled-

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Acer Travelmate C112TCi- Won't power on


Hi,
Remove the adapter and the battery from the laptop.
Press the power button and hold it down for 20 seconds(without the battery or adapter plugged in to it). This process is called POWER DRAIN.
Now connect only the adapter and try to turn it on.
If it starts up, there is no problem with the adapter or the laptop.
If it doesn't, it can be either the adapter or the laptop.
You will have to check it with a different adapter to confirm which one is faulty.

The second case is that the computer powers on only with the adapter.
Then you can put the battery back in and try powering it up.
If it doesn't work, try connecting the adapter too.
If still it doesn't work, its a faulty battery.

Sometimes after doing a power drain, the computer will work fine.
If you have any more issues, feel free to contact me.

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