Question about HP Pavilion xe745 (P1508A#ABA) PC Desktop

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Computer won't power down completely

It's an hp xe783. when I power down, everything turns off including the monitor. after a few seconds, the green led on the front of the tower comes back on and i can hear a motor running inside.

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Here's one solution: u may have a faulty on/off switch which u use to switch the p.c. on, open the case & trace the wiring from the on/off switch to the motherboard. to test do the following: unplug the cable from the motherboard & shut down the p.c. i hope this works for u

Posted on Sep 03, 2008

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HP LP3065 monitor turns off and won't turn back on; is this a Windows problem


It doesnt sound like a windows problem. A simple test for this is to unplug the vga or hdmi cable from the monitor then turn it on if it has power it should say no signal. Also try either another power cable to the monitor or change the fuse. Hope this helps.

Oct 19, 2012 | HP LP3065 Monitor

1 Answer

Osd main controler lockd


Hi there.
OSD Lockout or On Screen Display Lockout message is that irritating on-screen message that sometimes pops up when you switch on your monitor. This completely locks all monitor settings.
This problem has most likely happened to everybody at some stage or another. Everything has worked fine until now you turn on your monitor and have a message glaring you in the face displaying something about "OSD Lockout". This doesn't allow you to change any of your monitors settings, including the setting intended to turn off this message. While this problem mainly happens on HP monitors from my looking around I know that others have encountered it on other brands as well. The fixes I provide below should work on those monitors too so don't fear if your monitor isn't an HP model.
The HP Fixes
FIX 1
Plug in the monitor and power it up. Hold down the monitor's Power button until you get a message saying "OSD Unlocked". If the problem persists after OSD is unlocked then unplug the monitor from the wall, wait a few seconds (just to be sure I'd give it anything around 20-30 seconds) and then try again.
FIX 2
Instead of holding down the Power button, turn on the monitor and hold down the Menu button for 10-20 seconds. This should unlock the OSD.
FIX 3
Turn off the monitor, press down the Menu button and then turn on the monitor. Wait 10-20 seconds. This should unlock the OSD.
FIX 4
The Menu button may be stuck in a pressed in position. To get it "unstuck" you'll usually need to open up the monitor. If your not a seasoned veteran at opening up electronics (and knowing where all the screws go back into) then this could be tricky unless you know what you're doing. Unfortunately there are too many models of monitors for me to give a step by step instruction guide for you. If you have warranty this is where you should use it, I suggest you contact the manufacturer.
The AOC Fixes
FIX 1
Turn off the monitor, hold menu and power button together for 10 seconds then turn back on.
Currently these are the most commeon fixes.
~ Slasher_X

Sep 28, 2011 | Philips 190B6CB/27 19" LCD

1 Answer

M1991 screen stays black, little light is yellow


The fault is a back-light problem and the fault could be a faulty inverter board or a faulty CCFL lamp.
For service, parts and DIY info check out LCD Parts WEB site, please click on this link :-
www.lcdparts.net

Mar 15, 2010 | Dell Computers & Internet

1 Answer

Hp flat panel monitor comes on shows logon and then blank screen


Ok, another words, monitor powers up for few seconds and shuts down by itself. If green LED on the front panel turns off as well or stays on?
If stays on, then inverter turns into protection mode because of old backlight lamps.
If it turns off in same time with an image on the screen, then there are some bad electrolytic capacitors in the power supply.

Sep 11, 2009 | Dell E152FP 15" Flat Panel LCD Monitor

1 Answer

Computer monitor flashes on then turns off


Try the monitor with another computer. If it works, the video circuitry (whether it is on-board or a separate adapter) in the Gateway is the problem and needs to be replaced. Otherwise, the problem is with the monitor itself. From your description it is probably the Gateway's video that is the problem since the power light on the monitor remains green indicating that it is seeng a signal, but not something it can properly interpret, i.e., one or more of the control signals are shot.

Mar 21, 2009 | Computers & Internet

1 Answer

Cooked motherboard


Personally, I've never seen a monitor damage a motherboard. Since monitors have their own power source, the HP answer of the monitor "drawing too much power" is bogus.

Possible failures could include the following:
  1. Failing Power Supply - if you haven't tried a different power source, then that is the 1st thing I'd look at, expecially if another system will run the monitor.
  2. A peripheral item, (Keyboard, Mouse, Printer, scanner or other USB device is preventing POST completion of boot completion.) try booting system with just video and power, nothing else.
  3. Check the monitor cable for bent/broken pins. I have seen bent pins on a cable connection short out a video card, this could cause a no post if the video is integrated.
  4. I just reviewed the HP site on this system, and it appears to ship with a PCI-E video card. It appears most likely that the Video Card (If one is installed). If you have the PCI-E video card in system, remove it, and connect to the intergrated video connection and see if ystem posts.

Feb 08, 2009 | Envision 19" Widescreen Flat Panel LCD...

1 Answer

No picture on my x5g-komodo7 monitor


A reddish picture is the classic symptom of worn out backlight bulbs.
Sensor circuits usually shut down the power to the bulbs in a second or so.
Monitor Mike.

Jan 03, 2009 | Sceptre X5g-Komodo VII 15'' LCD Monitor

1 Answer

Stack of computer hp pavilion 1430 just keeps blinking cannot turn on or off


Can you explain what you mean by "stack"? Is this an external RAID array? Is this a software error message you are getting on screen? If on the other hand you are referring to the box that everything else plugs in to that would be the computer, everything attached to it, including the monitor is a peripheral. If it's the computer that has a blinking light on it and won't turn on or off, it must be on for there to be a blinking light... to turn a computer off manually you need to hold down the power button for over 4 seconds to forcibly turn it off.
Disconnect all external devices such as printers, scanners etc. etc. and try turning it on again, if you get the same problem disconnect absolutely everything including the power cable and hold down the power button for 30 seconds (time it as it will seem to take forever) and try again.
Message back if it's not the computer, just a peripheral your having problems with or if you still get the same problem.

Nov 05, 2008 | HP Computers & Internet

1 Answer

HP Pavilion meets monitor


I would fathom a guess that the motherboard has been damaged, if it is the PS then you can see by taking it into a service center to have the output checked 3 v 5 v 12 volt good luck.

May 26, 2008 | HP w19 19" LCD Monitor

1 Answer

17" LCD Monitor - only works for a few seconds when turned on.


It seems to be an Inverter related problem in which backlight seems to be shiutting down.Is this monitor 3-4 years old???If so backlight of the panel could be an issue.

Feb 15, 2008 | Microsoft HannsG HU171D 17" LCD Monitor

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