Question about Dell Dimension 2400 PC Desktop

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Power does not turn on, even I press and hold down the power button

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  • Contributor
  • 14 Answers

If your computer is showing no lights at all open case,
lift up the green trim covering the cpu heatsink,
look to left side of heatsink and check caps, (see pic 1)
if they are bulged then your motherboard needs replacing,
Power - 06029d0.jpg
if not replace power supply, (see pic 2)


This should of fixed your problem,
these are the two most common problems with all computers,
RATE ME!
Nathan

Posted on May 11, 2009

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  • Dell Master
  • 1,183 Answers

Hi,
If the system is not coming on when you press the power button, the probable cause is a bad power supply.Follow the troubleshooting steps given on the following link

http://tinyurl.com/5e42gq


Thanks
Proton

Posted on Nov 08, 2008

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  • Master
  • 2,785 Answers

Plz try with a new power supply unit. if your problem is not solved then *********** board needs repairing

Posted on Nov 08, 2008

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2 Answers

My pc cannot be shutdown or log off


Press and hold the power button.

It should shutdown, or turn off.

Maybe you should pull the plug.

Aug 31, 2011 | PC Desktops

Tip

Viewsonic monitor Lock and Unlock instructions


OSD and Power Lock Settings
OSD Lock: Press and hold [1] and the up arrow UP for 10 seconds. If any buttons are
pressed the message OSD Locked will display for 5 seconds.
OSD Unlock: Press and hold [1] and the up arrow UP again for 10 seconds.
Power Button Lock: Press and hold [1] and the down arrow DOWN for 10 seconds. If the
power button is pressed the message Power Button Locked will display for 5 seconds. With
or without this setting, after a power failure, your LCD display?s power will automatically
turn ON when power is restored.
Power Button Unlock: Press and hold [1] and the down arrow DOWN again for 10 seconds.

May not work on ALL Viewsonics
http://www.viewsonic.com/assets/027/7939.pdf

Service manuals: http://ftpkuban.com/FTP/Manual/ViewSonic/

on Apr 14, 2010 | PC Desktops

2 Answers

My computer will not turn off how do I make it turn off.


Press Ctrl+Alt+Del "Delete keys" simultaneously. shoyo_1.jpg
Select "Turn off" or "Shut Down" by clicking on it. orClick on Start button>Turn Off or "Shut down" computer. else, Press the power button of your CPU for a few seconds.
Hope it will be helpful to you
All the Best!

Nov 12, 2010 | PC Desktops

1 Answer

How do I re-boot my acer AO532h computer?


If pressing down and holding the control (ctrl) key + alt key + delete (del) key together doesn't let you reboot, you should be able to hold down the power button until your PC shuts down. Then you can simply press the power button again to turn it back on.

If all else fails, unplug the unit from the electrical outlet and remove the battery. It will shut down. Put the battery back in and restart.

Oct 14, 2010 | PC Desktops

1 Answer

At times pc wont turn off with mouse windows shuts down but computer will turn off and on again immed


Try draining the power of the computer first. completely shut it down by pressing poweer button for like 5-7 sec. then unplug power supply from the outlet. then press and hold power button for another 15-20 sec. After that, plug back in the power cord, and turn computer on normally.

Apr 03, 2010 | Compaq Presario 5000 PC Desktop

1 Answer

My HP won't shut down. I hold the button to try a


Try this: Go to Control Panel-Display-Screen Saver-Power-Advanced tab and make sure that after the statement "When I press the power button on my computer" choose Shut down. Then turn off your pc with the power button (if it does not work unplug it, then try the button after Windows complete it's boot-up. Let me know how it went.
WBTech

Feb 01, 2010 | HP PC Desktops

1 Answer

My emachine T1742 desktop will not turn on. When plugged in the power supply's fan turns on, cpu fan doesnt start, both hdd/power led's flicker and pressing power button doesnt power on/off system.


Disconnect all the devices from the computer(tower) including keyboard, mouse, monitor(everything)..even the power cable

Now keep on holding down the power button on the computer tower for 15-30 seconds..

Now release the power button, plug in the power cable, monitor, keyboard, mouse and turn on the computer...

If it works, great!!!

Otherwise, take it for repair..

Dec 03, 2009 | E-Machines eMachines Desktop PC

1 Answer

Acerpower SV PC will Not turn off


More information would help to resolve this issue.

Are you shutting down by selecting Start and shutdown or have you tried pushing the power button on push (not holding the power button)?

Try this:
Press and hold the power button in solidly for about 10 seconds. If it shuts down before you get to 10 just let off the power button. This should work, but may not solve the problem.

If you reboot it and still can not shut down from Windows, hold power button until it shuts down, unplug the power cord and disconnect everything from the computer other than the keyboard, mouse and monitor. With the power plug still unplugged, hold the power button in for about 15 seconds (this resets the power supply and can clear a corrupt BIOS).

Reconnect power and after booting, see if you can shut down from Windows.

If still no go, click Start, Programs, Accessories, System tools and select System Restore.

Follow the prompts and select a bold date back to a time before you had problems shutting down. That should do the trick.

Let me know if you get it fixed or if you need more advice.

Honest1abe

Jan 02, 2009 | AcerPower SV PC Desktop

1 Answer

Laptop screen stays black with a hooting sound when turned on


press and hold down the power button for 10 seconds the laptop would turn off now press the power button and turn it back on

May 28, 2008 | HP PC Desktops

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