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Computer won't turn on

I was in a middle of something then my pc automatically turned off so I sleep and when I wake in the morning my computer won't turn on when I press my start button but my monitor is on.
plz help

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  • Mike Peluso
    Mike Peluso Jun 06, 2010

    Provide the motherboard model number? Operating system installed? Did you hear any audible beeps or audible sound from the system before it shut down? Check the main power cable from the power supply to the motherboard. (Remove and reseat the cable).

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  • Master
  • 11,800 Answers

Major hardware failure. To find which is the failed part you will have to replace every one in your pc with another one, one at the time, till the pc starts again. If you don't have extra components to test the ones in your pc then it's time to take it to a repair shop.

Posted on Jun 11, 2010

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Posted on Jan 02, 2017

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Will not run in PC mode


Turn off the mains power for 15mins, then turn on the mains power and boot up your computer.

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Sleep/hibernate mode


Hi, If the computer seem to wake from sleep mode for no reason? Some device settings can cause the computer to return from a power savings state when not expected. If the computer is using an optical mouse, changes in light can cause the computer to wake. Network activity can cause the network hardware to wake the computer, especially when the network is always on (like cable and DSL connections). High Definition Audio audio may also cause the computer to wake from sleep mode. Use the following steps to prevent the these hardware devices from waking the computer:
  1. Click Start c00847244.gif , and then right-click Computer .
  2. Select Properties , and then click Device Manager in the left panel of the window.
  3. Click the plus sign ( + ) next to the device that needs to be adjusted. If you are using an optical mouse, select Mice and other pointing devices . If the computer is using an "always-on" connection, click Network Adapters . To check the high definition audio, click Sound, video, and game controllers .
  4. Double-click the name of the device to open a Properties window.
  5. Click the Power Management tab, and remove the selection from Allow this device to wake the computer . Figure 6: Power management tab for a mouse c00851648.gif NOTE: If you prevent the mouse from being able to wake the comuter, wake the computer using the Sleep button on the keyboard or from the power button on the front of the computer.
  6. Click OK , close the windows that are open, and then restart the computer.
  7. Click Start c00847244.gif , and select the Sleep/Standby button to see the problem still exists: If the problem still exists, go to the next Step.
  8. Disconnect all non-essential connected devices (printers, scanners, USB drives).
  9. Restart the computer with only the original mouse, monitor, and keyboard connected. If this resolves the sleep/standby problem, one of the connected devices was causing the problem. Replace one device and test to see if the problem occurs again. Continue adding devices and testing until the you find the device that is causing the problem.
If you have already tried all the above steps, you can try the steps below: Many software components start up automatically and run without being seen. Most of these programs are not necessary to the work performed on a computer, but can interfere with sleep/standby mode. For troubleshooting purposes use the following steps to prevent programs from starting when Windows is first opened.
  1. Click Start c00847244.gif , and then type msconfig into the Search field and then press the Enter key.
  2. The System Configuration Utility appears. Click the General tab, select Selective startup , and then and remove the check from Load startup items . c00847247.png
  3. Click OK to accept the changes and restart the computer.
  4. After completing these steps, Windows opens using Selective Startup. A small reminder may appear when Windows restarts. Select Don't show this dialog again and click OK to prevent the reminder from re-appearing every time the computer is restarted.
NOTE: To undo the changes made in this process repeat the steps above and replace the checkmark next to Load startup items .
  • If disabling Load startup items did not resolve the suspend problem, go to the next step.
  • If disabling Load startup items resolved the suspend problem, enable one startup item and test to see if the problem occurs again. Continue enabling startup items, until you find the software task that is causing the problem. Remove or update problem software.
If the problem still exists, go to the next Step. Upgrading the BIOS and keyboard software If the sleep button on the keyboard still does not work, go to the HP Software and Driver Download page , enter your computer model number into the field provided, and install any keyboard and BIOS updates for Windows Vista. Should you require any further assistance regarding this issue or any other computer related issue in future please feel free to contact get back to us, we will be more than glad to assist you.

Regards

Malik Khan

Feb 01, 2008 | Microsoft Windows Vista Ultimate Edition

1 Answer

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

Dec 21, 2012 | Computers & Internet

1 Answer

Sleep mode won't wake up


dont let computer go to sleep mode, just turn of screen, run disk cleaner

Apr 23, 2012 | Acer Computers & Internet

1 Answer

Computer on sleep mode,and won't wake up


try to turn off by pushing the buttom till off if that wont work do the old stand by unplug the pc from wall then turn back on the system should reboot itself an work, good luck

Aug 13, 2011 | HP Computers & Internet

1 Answer

My HP w2007 has started clicking to Monitor Going to Sleep and then going blank. I have never known how to wake it up so I have to turn the whole computer off and restart. HELP


Hey there, Normally simply pressing a random key on your keyboard or moving your mouse should wake it up, if it doesn't though I think the easiest way to solve this is to simply turn off the sleep mode after x amount of time.
If you have windows 7, press the start button and type in "power options", go ahead and open power options and there you will be able to set the time it takes before your PC shuts down, and you can also set it to never.


If you still wish to use this feature but just want to be able to it's a bit tricky and it won't even work for all PCs but if the keyboard waking isn't working, then it's probably because your pc does have this feature. When your PC is off, boot it up again and enter the bios by pressing F10 i believe it is for HP. And somewhere you should be able to set which devices are allowed to wake up your computer, all devices are probably disabled now, so go ahead and enable the keyboard to wake up your computer. Now save and exit, and the next time your PC goes to sleep mode you should be able to wake it up by pressing a key on your keyboard.


I hope I was able to assist. If I was, please don't forget to rate this solution.

Jul 28, 2011 | HP Pavilion F1523 15" LCD Monitor

1 Answer

MY asus pc continues to not wake up. I have to


POWER OPTION
control panel---->power options--->change plan setting--->

Turn off the display-never
Put the computer to sleep-never
control panel---->power options--->change plan setting--->advanced power setting
-set hard disk "turn off hard disk after" to never
-set Sleep "Sleep after" to never
-set hybrid sleep setting to off
-set hibernate after setting to never
Restart pc
POWER OPTION
control panel---->power options--->change plan setting--->

Turn off the display-never
Put the computer to sleep-never
control panel---->power options--->change plan setting--->advanced power setting
-set hard disk "turn off hard disk after" to never
-set Sleep "Sleep after" to never
-set hybrid sleep setting to off
-set hibernate after setting to never
-set display to never
Restart pc

Jul 15, 2010 | ASUS Eee PC 900 Notebook

2 Answers

Sleep mode wakes up on it's own


turning off all the power saving items does not help this- it just ensures that it doesn't automatically power down your hard drive or shut off power to your monitor automatically when you aren't using it.
May I suggest Hibernation Mode as an alternative? this mode saves everything you are doing to disc and shuts your computer down completely. when you turn it back on, it will restore what you were last doing onto the screen, so you can pick up where you left off.
you can find more information on this and sleep mode from here: http://windowshelp.microsoft.com/Windows/en-US/Help/335c6a5d-0304-4af1-b135-6bf6c124dc111033.mspx#EZAAC

Cheers,
-Demolitio

Aug 03, 2009 | Microsoft Windows Vista Home Premium with...

1 Answer

Monitor displays slowly after the computer starts.


try to turn off you screen saver just turn off power monitor to see monitor easy wake up after long time.if ok means windows screen saver have problem if still same look like is you monitor something wrong need to check

Jan 03, 2009 | Dell Dimension 2400 PC Desktop

2 Answers

Vista wakes up on it's own. Never goes to sleep.


Sounds like you've tried all the obvious things. Did you check the BIOS settings and turn off all of the WAKE ON settings in there? Otherwise, it sounds like you might have a third party program which is scheduling without your knowledge (check your start up programs and running processes during normal use). If, when asleep, the machine runs a fan, it may also be waking up for the OS to receive a power or overheat warning message from the BIOS.

Problems with machines not going to sleep when asked are often related to drivers that are not unloading when asked to prepare for the sleep/hibernation process. If you have installed any new hardware (or driver heavy software like specialized encryption or hard drive management stuff) trying uninstalling it and testing the sleep functionality.

Ideas, anyway.

Nov 16, 2007 | Microsoft Windows Vista Ultimate Edition

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