My laptop won't turn on. A few nights ago I put it to hibernate mode and it hasnt turned on since. I have disconnected the battery and power cord, held the power button and reconnected but still nothing at all except the power cord led on the side of laptop lights. What else can I do?

Have you tried pressing space bar (maybe its in hibernation mode) ?

or try holding power button for a few seconds (10) then turn it back on.

as a last resort you could try take the battery out, disconnect it from the power adapter, hold down the power button for 30 seconds and then place the battery back in and the power adapter and try powering it on?

What version of Windows?
You can try disconnecting the power cord from the laptop, then pull the battery.
Let it sit with battery out for a minute. Put battery back in, plug AC charger in, and try to turn on.
If it's an older version of Windows, go to the Power control panel and make sure Hibernation is disabled. You can google "turn off hibernation on windows (your version)"
Best of luck! Jon : )

You don't have a real serious problem. Just use the Power Cord. Now if the Power Cord does not work, that's a real problem. If your power cord is good and you can use your laptop with it, then the problem is your battery is bad if it will not take a charge. It's time for you to buy a new battery.

Hi.

Take out the AC power jack and then remove the laptop battery. Plug AC power back in and see if the laptop will turn on. If it turns on let it boot the operating system and then shut down as normal, remove the power cord and reinsert the battery and again see if it will switch on. If it does then there has been a glitch with the battery. If it doesn't then there is a problem with the battery.

If the laptop won't switch on either with or without the battery then there is a possibility that the motherboard has developed a problem.


Good luck.

Definition: Hibernate is another option for powering down your laptop. When you use Hibernate all data will be saved to the hard drive in a compressed form. Once you start up from Hibernate mode you will be able to work with the applications and documents you left open before putting the laptop into Hibernate.
Hibernate is best used to conserve laptop battery power when you will be away from the laptop for more than a few minutes. You can put your laptop into Hibernate overnight or when you will be away from it for a few hours. Examples: Rather than shutting down my laptop each night, I use Hibernate to help conserve battery power and enable me to access my open files quicker in the morning.

If you are not going to use your computer for a few hours, it is a good idea to put it to sleep (also known as mode) to save power. If you are not going to use the computer for more than a day, it is usually best to turn it off.


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It means you need to remove the power cord, remove the battery,
put it back in, turn it on, and disable hibernation on your laptop.

You can try this: Shut the computer down and unplug the power cord from the computer. Remove the battery, then push and hold the power button and sing happy birthday to it. Or wait 15 seconds. Then plug the power cord back and try turning the system on. After it boots up, providing this fixes the problem, you may then replace the battery.

Hope this helps!

you have a BIOS bug when hibernation , leave without battery for few days try to turn on with the charger, and if turns on go to the battery settings and disable the hibernation option, later go to dell website and update your system BIOS.
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Hibernation is a power management feature. When you hibernate a laptop, you're essentially turning it off. So, unlike Stand By (Sleep) mode, a hibernated laptop isn't using any battery power at all - that laptop is off!

The secret behind hibernation is that before you turn off the laptop, everything you're doing with the computer is saved. (The contents of memory are saved to the hard disk.) When the computer is turned on again, it recovers from hibernating by reloading all the saved information and restoring your laptop to exactly the same condition it was in before it was hibernated.

Briefly, hibernation works like this:

1. You activate the hibernation feature.

Hibernation is activated differently depending on how it's set up.

2. The laptop hums as everything in memory is saved to disk.

3. The laptop turns itself off.

It's really and truly off: The battery isn't being used, and it's safe to store the laptop or put it away until you need to use it again.

To recover from Hibernation mode, just turn the laptop on. In some cases, the laptop may recover from hibernation when you press a key or touch the mouse pad. hibernated state for as long as you want.


Hibernation mode requires hard drive space. So you should be aware that when hard drive space runs low, it's possible that Hibernation mode won't work.



In Windows XP, you have to activate Hibernation mode before you can use it. Follow these steps to activate Hibernation:

1. Click the Start button.

2. From the Start menu, choose Control Panel.

3. Open the Power Options icon in the Control Panel.

4. In the Power Options Properties dialog box, look for and click on the Hibernation tab.

If you don't see a Hibernation tab, there's your answer: The laptop isn't capable of hibernating. Oh, well.

You might want to check the laptop's Setup program to see whether you can activate Hibernation there.

5. Select the Enable Hibernation option by clicking the check box to place a check mark in the box.

6. Review other options, if they're available.

7. Click OK to confirm the changes and close the Power Options Properties dialog box.

Optionally, close the Control Panel window, as well.

Some laptops may require you to restart Windows for this change to take effect.

Place the battery back in and the power cord. Follow the power cord all the way to the plug and verify nothing was unplugged by accident. (the box on the plug sometimes disconnects without the user knowing it) This could have caused your lack of power. Hope this helps.