Question about Dell Precision M4400 Notebook

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How to wake up from sleep function?

My computer is always going into sleep mode . how to wake it up and restart? what keys to use?

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  • 13 Answers

Just press power button .. if your power light is blinking

Posted on Apr 22, 2014

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SOURCE: Put laptop in sleep mode. Can't get it to wake up.

I've found this works for some laptops. Take out the battery, hold the power button down, and put the battery back in. If it doesn't work, please reply, do you have it in hibernation, or not?

Posted on Oct 06, 2009

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Sleep function


Usually pressing the power button once will wake a computer from sleep. Often all that is needed is a mouse movement or hitting the enter key. If your are in Hibernation mode as opposed to sleep mode
The key stroke(s) needed will be in the Power Settings section of control panel.

Mar 23, 2014 | Dell Precision M4400 Notebook

1 Answer

HP DC7800 doesn't wake up


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 The computer will power-down and turn off unnecessary systems, including the monitor, while keeping the memory active so it can start back up quickly and still have all programs up that were being used prior to entering sleep mode. While this is a helpful feature that can extend the battery life of a laptop, it can result in errors where the computer won't power back up. You can usually solve the problem quickly.

Look for a sleep-specific key on the keyboard. It will usually be near the top row and have a symbol of a moon on it. Press this key as some laptops only respond to that command to come out of sleep mode. Press the "Enter" key to see if that will cause the computer to respond. Move the mouse back and forth several times and click the mouse button. Hold down the power button for 5 seconds if the previous methods have not worked. This is another common method for exiting sleep mode for many laptops. It may also trigger a full computer restart which would also solve the sleep mode problem. Unplug the laptop and remove its battery.
Reinsert the battery and then plug the laptop back in.

This should cause a full restart when the power button is pressed. Download the latest video drivers from the website for your video card manufacturer. Old drivers can sometimes cause problems with the laptop's power functions. See if your computer manufacturer has an updated BIOS on its website. The BIOS (basic input/output system) is the firmware that controls the initial boot processes for your laptop. Computer companies will release updated BIOS firmware if they get multiple complaints of boot or power problems. The BIOS interfering with Windows Power Manager is a frequent cause of sleep mode problems. Adjust your BIOS settings by rebooting the computer and pressing the appropriate function key when prompted on start up. It will normally be F1, F2 or F3, and you will often see a message during start up saying to press that key to enter the BIOS. Experiment with the BIOS settings by scrolling through the menu and locating Power Management. Increase the amount of time the BIOS allows before hibernating to make sure it is higher than the the Windows power setting. This can help eliminate conflicts between the BIOS and Windows concerning power shutdowns.

Jan 28, 2013 | Computers & Internet

1 Answer

Power button blinks, nothing powers on


A blinking power button generally means the computer is in sleep, hibernation type mode. If pressing keys or moving mouse does not wake the computer, PRESS AND HOLD THE POWER BUTTON IN FOR ABOUT 5 SECONDS. This will force the computer to shut off. Then press the button again and the computer should start up and go through the "restarting windows" routine. If your computer continually will not wake up from sleep, disable these modes in the Power settings of control panel. If you don't know how, post question stating operating system and someone will be able to give instructions, or you could just "google" for them.

Apr 19, 2011 | eMachines Computers & Internet

1 Answer

My monitor is in sleep mode and I cannot wake it up. I will press the power button on the side of the monitor and will get an occasional brief light to go on in the lower corner of the monitor frame. I...


May be it's he pc that's in sleep mode, try some keys on the keyboard to wake it up or try the function key plus f8 a couple times. Depends on what your setup is. Is there a other viewing hardware connected?

Mar 08, 2010 | Apple A1082 CINEMA DISPLAY 23" LCD Monitor

1 Answer

There are several keys on my keyboard that do not work i.e. Power, Sleep, Wake buttons.


Your computer needs a fully function chipset driver for it to work. You can install the driver from the support disc of the motherboard. This features stand by mode, sleep/wake and power on using your keyboard. You should configure also your computer bios. Go to Power Management section of the BIOS.

Dec 23, 2009 | Micro Innovations Advanta Keyboard

2 Answers

Computer goes in to sleep/ hibernate mode and I can not wake it up without shutting it off, and restarting


Hi,
If we are talking "hibernate", then that's what the computer does - it saves the whole memory contents on the hard disk and shuts down. You then have to power it up and it boots like always on power up, but instead of loading the system the usual way, it reads the hibernation file and restores the state in which it was when hibernated.
"Sleep" or "standby" mode is different - the system stops execution of all the running programs, switches the processor into low-speed, low-power mode, executing only the basic functions of waiting for wake-up signal. Depending on machine and settings, it will be woken up by keyboard event, system event (like laptop battery running out - time to hibernate), network activity, or the power switch.
It should wake up when the Fn key on keyboard is pressed, the lid is lfted up (if it was closed of course), or when you momentarily press the power button. If it does not, then something is wrong with your ACPI/Power Management setup, and/or there are some drivers missing or corrupt. You can try going to IBM/Lenovo website and looking for updated system drivers for your model.

Dec 03, 2009 | IBM ThinkPad T43 Notebook

1 Answer

Can't wake up....gone into sleep mode...how do you wake it up


press and hold the power button down for about 5 secs. The computer will shut down. Restart it and right click on the desktop, go to properties then look for screensaver tab , then choose power options, click on hibernation tab at the top and uncheck enable hibernation. Or choose stanby options and choose a longer time before the computer goes to sleep.

Mar 21, 2009 | IBM ThinkPad T23 2647 Notebook

1 Answer

Computer won't wake after sleep mode


there is no other solution part from this..............all brand follos the same procedure to come out of the sleep mode do not worry.................................Sameeraryan

Jan 13, 2009 | Sony VAIO VGN-FW230J/B Notebook

1 Answer

Laptop goes into permanent sleep mode, etc


If you can restart it and it starts up fine, then I would go into the power settings and disable sleep mode. Every computer is different on how to wake a sleeping computer, so you could read through your manuals and find out for yours, but I just disable sleep mode on all computers so i dont have to hassle with it.

Dec 30, 2008 | Computers & Internet

2 Answers

When I select sleep or hibernate mode - the monitor stays black...


Hit the keyboard keys. It is better to just turn sleep and hibernate off and just use a screen saver or tun it off.

Aug 24, 2007 | ViewSonic VX910 19" LCD Monitor

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