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My HP Pavilian laptop puts itself to sleep when it is not set to do this - It happens without warning - whether it is plugged into power or running on a battery that is charged Ok - Could this be related to the 12 cell longer life battery that I have started using? ( if so then why does it happen when I am plugged into power?) I can restore it without problem and it then runs ok after this event occurs.

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  • merrily_w Oct 05, 2009

    Unfortunately I have already considered these solutions - The laptop is not overheating and I recently gave it its ännual"service - (dusted n all!) Power settings do not have sleep options enabled. This also happens when I am actually using it - not doing any system intensive tasks - Usually just typing furiously :-) This is what is weird - I am wondering if it is something to do with the way that the battery monitor is working to read the battery - Is this possible. The battery is not old and has been calibrated. BUT I rules this out as it happened once when it was plugged into external power.

  • merrily_w Oct 05, 2009

    At this point I have noticed it only when I am using it - typing and in the middle of a non processor intensive task. I have also added more info in this thread as I have already made sure it is not running hot and at one point it was plugged into external power - No sleep settings selected either.

  • merrily_w Oct 05, 2009

    Yes - I have already made sure that no sleep settings are set = :-)

  • bc9412 May 11, 2010

    Does this happen while you are using oit or is it doing it after a certain period of inactivity on teh keyboard?

  • edmacias
    edmacias May 11, 2010

    Can you confirm that on the power management setting you don't have selected that when idle, go to sleep?
    To check this (in Vista) go to Control Panel\Power Options.
    On the left hand side you can see an option named "Change when the computer sleeps.
    Here you can change the "sleep" behaviour of your current power settings.

    let me know how you get on.



2 Answers

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Only do this if you feel competent in doing so.

Pulling apart laptops is not for the faint of heart.

If you really must do it there are some
good guides here

An alternative is to get a can of compressed air used to clean computers. Put the nozzle on and spray it in every hole you can see without putting the nozzle itself inside the laptop.

Do this outside with glasses on.

An alternative is to get a can of compressed air used to clean computers. Put the nozzle on and spray it in every hole you can see without putting the nozzle itself inside the laptop.
Do this outside with glasses on. .

Take a
peek here for more ideas of what is involved.

There are a few are tips for various things in there.

DON'T touch the CPU cooler unless you know what you are doing and have some thermal grease for CPUs to hand.

Also If you dont already have one get a good 3 fan laprtop cooling pad, preferable one that has its own power sumply.
Never run laptops on sift surfaces as the act like a mini vacum cleaner and **** up more debris. and overheat a lot quicker.

Posted on Oct 04, 2009

  • Project NOMAD
    Project NOMAD Oct 05, 2009

    Besides the laptops own power setting (yes I know so I wont even ask) what about the windows ones ?

    Properly configured laptops have two forms of power control.

    One is the utility that the manufacturer shipped and the other is built into windows (XP, vista, win200)

    Long shot and I half expect you to tell me you checked those too but I had to ask.

    My girlfriends daughter has a DV1000 and had similar issues until I realised the second set were kicking in.

    I also had a panasonc in little while ago where the powers adaptor was no longer able to supply enough current. (Voltage was fine) a new power supply with a larger current rating fixed that one.

    I actually told it to ignore those when on external power. Since then she has had no issue.

    Another thing worth a try is to turn down the brightness to a lower level and see if it stays powered up longer. If so this would point to a battery issue.

    Just a few more things to consider other wise it does sound like an odd problem.


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Does it just shut down or does it hibernate? I recommend looking at your power settings, make sure they didn't get changed somehow.

Posted on Oct 04, 2009


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Interesting, would expect it to be a setting in the Advanced Power Options but you've mentioned that you've disabled hibernation? If you go to Advanced Power Options and under the "Sleep" section, what have you got set for "Sleep After" and "Hibernate After"?
Also, do you have a screen saver set? It seems like its hibernating or sleeping after you have been idle or away from the PC for a certain amount of time.
You can try checking the event viewer around the time it happens to see if there are any corresponding events. Right-click Computer > Manage > Event Viewer, and check the system logs.

Jun 29, 2013 | HEWLETT-PACKARD Hewlett Packard HP...

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Acer one with windows 7 ultimate fall into sleep mode

A laptop computer is typically set to conserve battery power. One of the common settings called standby, sleep mode or hibernation turns off power to the screen and the laptop itself after a preset time limit passes without any mouse or keyboard activity. It can be inconvenient for the computer to shut down while you're working on an open page or during a download. Change the setting if you don't want your laptop to going into automatic shutdowns

Turn the laptop computer on with the power button if it's not set to turn on upon opening. Allow the system to boot up. Open the panel for adjusting the sleep settings. This varies among the popular versions of Windows operating systems. To change the sleep mode setting on a laptop running Windows XP, click the "Start" button, and click the "Control Panel" selection. Choose the "Performance and Maintenance" selection, and click on "Power Options." Click the "Power Schemes" tab, and click the drop downs next to "Turn Off Monitor," "Turn Off Hard Disk," "System Standby" and "System Hibernates." Select "Never" for each drop down in both the "Plugged in" and "Running on Battery Power" columns. Click the "Hibernate" tab and click to remove the check mark in the box next to "Enable Hibernation." To change the sleep settings on a Windows Vista laptop, click "Start," "Control Panel," "Systems and Maintenance" and "Power Options." Then click "Change Plan Settings" under the currently established plan. Click on the "Advanced Settings" tab and select the "Never" option on the "Sleep," "Sleep After," "Hibernate After," "Display" and "Turn off Display After" drop downs. Click the "OK" and "Save Changes" buttons to confirm the settings. To change the sleep settings on a laptop running Windows 7, click the "Start" button, choose "All Control Panel Items," select "Power Options" and click "Edit Plan Settings." Click the drop downs for "Turn off the Display" and "Put the Computer to Sleep." Choose "Never" for both and click the "Save Changes" button.

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Windows sleep mode problems

Sleep mode on a Windows 7 PC saves power without you having to turn your computer off and without losing any work. This option cuts the power to your monitor, powers down the hard drive and pauses all functions until you awaken the computer from hibernation. Whether you have a laptop, desktop or workstation, putting your computer into sleep mode will lower your electric bill and save money! Click the "Start" button in the lower left corner of your desktop. In the lower right corner of the Start menu, next to the "Shut Down" button, is a button labeled with a small, right-pointing arrow. Mouse over the arrow. The Shut Down menu appears. Point at "Sleep" and click on this option. Your Windows 7 computer goes into sleep mode. Wake your computer from sleep mode by jiggling the mouse. There may be a delay of a few seconds before your hardware powers on. All of your open programs are still open and your work is intact, just as you left it before the computer entered sleep mode. Configure your Windows 7 PC to go into sleep mode automatically when it is not used for a certain amount of time. Click "Start" and select "Control Panel." Click "System and Security." Click "Power Options." A menu opens. Click on "Choose when the computer sleeps" and select the number of minutes of inactivity. You can also set a separate time interval to put your monitor into sleep mode. If you set both to 10 minutes, then your PC and monitor will automatically go into sleep mode after 10 minutes of inactivity

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Dell power supply turns off by itself until I unplug it and replug it in. how do I get it to stay on? power supply is new from local pc repair shop,

Probably best to return to the shop with the pc and power supply. Possibly a loose connection somewhere or the power supply could be overheating.

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3 Answers

No power

Try disconnecting the power supply and start it on battery only.
After you see a screen display of some kind, the power supply can be reconnected.
If this does not work, then remove the battery and start the computer using the power supply only.
After the computer start up sequence is complete, the battery can be re-inserted into the computer.

If the computer continues to misbehave on later restarts, then follow the more rigorous BATTERY RECALIBRATION Procedure below.

1. Now, after the system is up and running with both the battery inside and the power supply connected, after taking note of the current settings so that they can be restored later, set the power plan to High Perfomance, set the computer to Never Sleep on Battery and on Power Supply, disconnect the power supply and allow the computer to run until it shuts itself off due to a low battery condition. This will discharge the battery and performs phase one of battery re-calibration.

2. Next, plug in the power supply, while leaving the battery in place and restart the computer. Allow the battery to fully recharge while leaving the power plan at High Performance and the Sleep to Never. This performs phase two of battery re-calibration.

3. Then, disconnect the power supply and allow the computer to run until it shuts itself off due to a low battery condition, again, now that it has a possibly better, fuller charge than in the previous charge/discharge cycle.

4. Again, restart the computer, connect the power supply and allow it to completely charge the battery.

5. Shut down the computer, disconnect the power supply.

6. Restart the computer and allow the computer to run until it shuts itself off due to a low battery condition again.

7. Now the battery has been recalibrated. Connect the power supply, restart/resume the computer and allow the battery to fully charge again. The Power Plan and Sleep Mode can be set back to their original settings at this time.

8. The above procedure should only need to be performed every six to twelve months to recalibrate the battery.

This condition sometimes happens to my HP Presario when I have left the power supply plugged into the computer with the battery in for several days or weeks at a time, without running on the battery alone for a while to discharge and recharge it a little bit.

HP recommends that when running your computer for more than two weeks from the power supply, the battery should be removed to slow the aging of the battery, which can cause the battery to lose capacity or fail prematurely.

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Laptop keeps shutting itself off

Check the power settings - most laptops are set to sleep even if plugged in to AC power - go to Control Panel -> Power Options and check for sleep/shutdown settings under "Plugged In".

Oct 20, 2009 | Computers & Internet

1 Answer

Monitor keeps going to sleep

In windows click start, control panel, power options. On the first page"when the computer is plugged in" turn monitor off NEVER on the hibernate tab uncheck enable hibernation if checked, also disable sleep mode

May 12, 2009 | Computers & Internet

1 Answer

I purchased my laptop on 5th Nov 2007, Model no. is HP dv 2601tx. It is getting hibernate in the middle of my work. please solve my problem. My email Id is

see if it helps ur problem pls let me know if u need more help may be ur sleep time is set to 2 min or 5 minutes set it to 30 minutes and it will not bother upls dont forget to rate me FIXYA if i fixed ur problem

To change power management settings
  1. ? to open Power Options.
  2. On the Select a power plan page, click Change plan settings under the selected plan.
  3. On the Change settings for the plan page, next to Turn off the display and Put the computer to sleep, choose the display and sleep settings that you want to use when your computer is running on battery and when it's plugged in.
  4. Click Change advanced power settings.
  5. On the Advanced settings tab, expand the category that you want to customize, expand each setting that you want to change, and then choose the value that you want to use when your computer is running on battery and when it's plugged in.
    Suppose that you frequently use a mobile PC to give presentations, and you want the display to stay on during the presentations. Consequently, you also want the mobile PC to stay awake while you give your presentations.
    ? To keep the display on during presentations
    • Expand Display, expand Turn off display after, click On battery or Plugged in, and then click the arrow to change the setting to Never. You can also type the word Never in the box.
    ? To prevent the mobile PC from going to sleep during presentations
    • Expand Sleep, expand Sleep after, click On battery or Plugged in, and then click the arrow to change the setting to Never. You can also type the word Never in the box.
  6. Click OK, and then click Save changes.

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1 Answer

Laptop won't start

remove battery and check if is charged.
put back battery and connect power supply.
keep ON button pressed few seconds until it flashes.
if not started wait few second and try switching on normally.
if unsuccessfully check both power supply and battery with manufacturer

Jan 11, 2009 | Computers & Internet

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