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Problem: I have hp pavilion elite hpe 140f running dual monitors. About twice a day the monitors blank out but the computer is still running. Have to shut down and reboot to bring it back up and display on the monitors

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  • Expert
  • 252 Answers

His power Supply board is faulty and needs to repair that.

Posted on Oct 11, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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PABLOCSA
  • 1124 Answers

SOURCE: HP PAVILION LAPTOP SHUTS OFF AND REBOOTS AFTER A FEW MINUTES

This issue could be caused by any of the below possibilities

Software issue or error.
Hardware issue or error.
Heat related issue.
Computer virus.
Issue with operating system.


Software issue or error

Errors generated by software programs can cause a computer to reboot unexpectedly or without warning. If you are running Windows XP see the below section "For Windows XP users" before continuing.
If you are not running Windows XP or following the below steps still cause your computer to reboot without warning. Boot your computer into Safe Mode, and let the computer run in Safe Mode.

If the computer is still rebooting in Safe Mode the issue is likely not software related but something else, skip to the next section. If the computer is not rebooting in Safe Mode it is likely you have software related issue. We would recommend you run through the basic troubleshooting section for your operating system.

For Windows XP users
Windows XP is designed to automatically reboot each time an error occurs such as a BSoD. Although this may be nice for errors that do not occur often, users who have a re-occurring error may wish to identify the error to troubleshoot it. Below are the steps on how this feature can be disabled and enabled in Windows XP.
From the desktop right-click on My Computer.
Click the Properties option.
In the System Properties window click the Advanced tab.
In Advanced click the Settings button under Startup and Recovery.
In the Startup and Recovery window uncheck the Automatically restart check box.
Click Ok.
Now if the computer generates and error it should not automatically restart and enable you to display any errors your computer may be experiencing.

Hardware issue or error
Any failing hardware component in your computer could cause your computer to unexpectedly generate an error and/or reboot without warning. If you have recently attempted to add a new hardware device, remove that device to make sure it is not causing your issues.
Make sure you are not encountering any hardware conflicts by viewing Device Manager for errors.

New drivers can also cause this issue, if you have recently performed any hardware driver updates you may wish to try an earlier version of the drivers.

If you have updated drivers and removed any hardware that could be causing this issue and continue to experience random reboots, it's possible that the memory is bad in the computer.

Finally, hardware devices that are not installed properly in the computer can also cause random reboots. Make sure all the cables and expansion cards are connected properly to the computer. The best way to determine this is to disconnect and reconnect all cables and expansion cards.

Computer virus
Computer viruses such as the blaster virus are written to reboot your computer without warning. Usually these viruses will make the computer reboot ever 5, 10, 15 or 30 minutes after the computer has booted.
If you believe your computer may be infected with a virus or are uncertain if your computer is infected with a virus make sure your virus scanner definitions are up to date.

Heat related issue
Many computer today are designed to turn off or automatically reboot if the computer, processor, or other device in your computer gets to hot. If you have heard any abnormal noises coming from your computer recently such as a high squealing this could indicate a fan may be failing in your computer.
You can first start by verifying the fan on the power supply is working by examining the back of the computer and seeing if the fan is moving and moving smoothly. For all other fans in the computer you will need to either open the computer and make sure the fan are working (processor fan and case fan) and/or if your BIOS monitors the RPM of the fans enter BIOS and make sure the BIOS does not report any errors.
Users may also be able to determine how hot their computer is by onboard thermal sensors, if your computer comes equipped with these sensors make sure your CPU is not running to hot.

Issue with operating system
If after following each of the above recommendations your computer still continues to reboot it is likely that you are experiencing a Microsoft Windows operating system related issue that cannot be explained. To help make sure this is the case please try the below steps.
Reboot the computer and enter CMOS setup as the computer is booting.
After you have loaded the computer in CMOS setup let the computer sit.
If the computer does not reboot while letting the computer sit in CMOS it is likely that you are in fact experiencing an issue with Microsoft Windows and it is recommend that if you have followed all of the above recommendations that you reinstall your version of Microsoft Windows.

Posted on Nov 12, 2008

admin734
  • 268 Answers

SOURCE: hp Pavilion zd8000 shuts down loosing all opened windows

There is a software called "SpeedFan" which you can download here

This software will tell you the internal temperatures of the computer (so you can figure out if overheating is the problem). Most of the time overheating is due to excessive dust inside the laptop. The best bet is to get a can of compressed air and clean the inside out. This does require some disassembling of the system, so if you are not comfortable doing so I would advise you to take it to a local computer shop.

Another solution would be to purchase a "Laptop Cooler", this will lower your temperatures anywhere from 5-10 degree's, but can get annoying to lug around with you. You can view some laptop coolers here

If you happen to run the Speedfan application, let us know what the temperatures displayed as, and I can tell you if it is running too hot!

Posted on Apr 23, 2009

rulds2008
  • 3866 Answers

SOURCE: Dual monitors occasionally go blank

Check and see if there not in a DPMI mode both on your monitors and the video card under display settings, if your rebooting to get them back on its a DPMI issue that just needs adjustment,

Thanks

Rulds2008

Posted on Apr 29, 2009

pgh_pa_guy
  • 2992 Answers

SOURCE: I have an HP Pavilion a1777c with a blank monitor

If the computer is starts up normally other than the no-video problem (that is, you hear all the normal sounds from the computer and the usual Windows startup music), then you probably do need a new video card. According to HP's spec page for the motherboard used, you'll need a PCI-E video card. Don't confuse this with a regular PCI card which has a different connector.

The spec page also says the board has integrated graphics. so you could remove any video card that's been installed and try booting with the built-in video. If everything else is working properly you can use that until you get a new expansion video card.

If the trouble is that the computer's not booting at all even though it's coming on, you'll need to figure out why. This might be a memory or video problem, although these usually cause some beep code if the motherboard gets into its POST (power on self-test). If nothing at all happens, this is often the sign of a bad power supply, processor chip or system board.

Posted on Jun 16, 2009

  • 3 Answers

SOURCE: HP Pavilion M9040N Elite, power lights come on, will not boot

Boatin4me is correct on the process of elimination. I had the same issue and it was related to a bad modem.

Posted on Jan 11, 2010

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My computer will not power on, only a flashing green light on the back is on. I just bought a new computer and would like to transfer my files to my new computer. Why my old computer will not power on?...


Hi and welcome cj4man1 !
Extract the Hdd out of your old computer . Place it in a external usb box and connect the box to your new pc . You will be able to access and transfer your data .
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Hi. My Viewsonic VA903b works fine with an older pc, however connected to my new HP Pavilion Elite HPE 450sc I just get the on screen message "No Signal" and the monitor turns off. Any ideas?


Yes, it is telling you that it is not getting the video signal from you PC. Try another monitor with this PC since the VA903 works fine with another PC. The video cable is seated properly?

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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If you have the standard configuration, this machine has 7 USB ports (4 on the back and 3 on the front).

I hope this helps.

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What color is the screen, black or blue? Has it flashed once or twice?

if you've got yahoo messenger, IM me? odd_little_animal@yahoo.fr
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Toshiba Satellite Laptop refuses to allow Dual Monitors


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Connecting Bose Companion 3 to HP Pavilion Desktop (Elite m9150f)


you have to configure your sound at control panel; you have to switch from computer speakers to external, with or without a woofer. Easy shreazy.

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