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Everytime i turn on the power of my hp pc it aint got any output in the monitor, no hp booting displayed.what must be the problem? cables and wires are connected right, monitor is alright

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Either the video card or the motherboard is dead - is the pc is fully dead or the video is onboard then it' surely the motherboard.
replace the dead part.

Posted on Oct 03, 2010

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Posted on Jan 02, 2017

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1 Answer

My monitor keeps saying no input signal an now won't power up


Sounds like its the video output from your computer. Try installing a new video card.

Jul 20, 2014 | HP Pavilion Computers & Internet

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Hp p6530z desktop will not boot


It could be the monitor. Try a different monitor. Here's some tricks I would try...
1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or orange or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.
7. Also, you could try your display on a friend's computer. If it doesn't work, your monitor probably needs replaced. If it works properly on your friends computer, the problem may be with your computers video output port, motherboard video chip (or video card, if you have one), or drivers.

Good luck.

Jul 02, 2014 | HEWLETT-PACKARD Hewlett Packard Pavilion...

1 Answer

No input signal recommended settings hp vs15 monitor 1024x768 60h


old monitor 1280 x 1024
power light on?
OSD work?
if it said on the screen no input sig, then that is 100% true
the PC is not sending output.

check the video cable connections both ends
then if bad, boot PC to safe mode. does that work.
then maybe you set the PC graphic resolution too high for the monitor. use safe mode to set new , legal resolution
1280 x 1024 is max, do not exceed, the horz, vert, reso to the left here. if you do the monitor , will display, out of range. errors.

im confused, you show HP monitor then Sam.
why ?
my guess is HP question posted in SAM section.
so here is my HP answer
1280 x 768 @ 75Hz

if your PC or other device exceeds any of those. this old monitor
will go blank.
HOR, vert and refresh rates max.

to solve this riddle, set the PC to
1280 x 768
then connect monitor and bingo.
but there is a chicken and egg deal here.
if the display car is over this, as most new systems are.
then use safe mode to set the resolution to 1280 x 768
and reboot to normal mode.
boot and it F8 , safemode.

Sep 25, 2013 | Samsung SyncMaster 960BF (White) 19" LCD...

1 Answer

When I power up all I get is a white screen


1Diagnose the problem with your computer. Watch the screen from the moment you hit the power button through the time it should take to boot into the Operating System.
Adjust the computer's contrast and brightness through their full ranges to make sure that the display settings have not been changed.
Reset the computer's LCD-External Monitor display with the LCD/External Monitor key combination and reboot the computer.
Continue to Step 2 if the screen is blank throughout the booting process.

2.Adjust the screen from its fully closed position to its fully opened position. Watch the monitor for any change from a blank screen to a display or vice-versa. If the screen flashes or cuts out, the LCD panel will need to be replaced. Skip to Step 5.

3.Skip this step if your computer does not have an external monitor output.
Connect your computer's external monitor output to a known good monitor and change the display from LCD to External Monitor (the keystroke combination is different for all notebook brands). Reboot the comptuer, if necessary.
If the computer does not display to the external monitor, the video card could be bad. Skip to Step 6.

4.Consult with a professional technician to determine the cost-effectiveness of replacing your computer's LCD if you are not knowledgeable in that area.
Purchase a compatible replacement LCD and install it yourself, or pay a professional technician to do so if you do not feel comfortable performing the repair.

5.Verify that the monitor connection cables are not loose or disconnected before attempting to replace it.
Replace the monitor yourself by removing the old monitor. Remove the hinge covers by gently prying them. Check if they are screwed to the computer before prying.
Find the monitor cable's connection to the motherboard. Turn your computer over and remove any plates that may cover the point of connection. Note the orientation of the cables before disconnecting them.
Unscrew the monitor from the hinges and gently detach it from your computer. Feed the new LCD panel's wires through the same path as the old wires, and reconnect them. Secure the new LCD's hinges and replace the hinge covers.
Power up the computer and check that it works. If it does not, recheck the wire connections.

6.Consult with a professional technician to determine the cost-effectiveness of replacing your computer's motherboard or video card if you are not knowledgeable in that area.
Purchase a compatible replacement motherboard or video card, and install yourself or pay a professional technician to do so if you do not feel comfortable performing the repair.

7.Replace the motherboard by disassembling the computer. Document every connection and be sure to retain all screws and small parts in order to reassemble the computer correctly. Reassemble the computer and power it up; check the keyboard to make sure that it has been reconnected properly.
Replace the video card by removing any covers or plates that hide the card. Remove the old card and install the new card in its place. Power up the computer to test the display.

Sep 28, 2011 | HP Compaq Presario F730US Notebook

1 Answer

I turned on the pc, the screen is blank, but blue lights are blinking to the side. The wifi light is amber. I reseated all easily removable parts, but it is still black screen. It doesn't even go to...


Losing the display on a laptop or notebook computer is a perplexing and frustrating problem. It's a problem that is somewhat difficult to diagnose, and can require specialized tools and a considerable financial outlay to repair. When the display on a laptop computer stops working, the computer is usually not worth the investment to repair.

1.Diagnose the problem with your computer. Watch the screen from the moment you hit the power button through the time it should take to boot into the Operating System.
Adjust the computer's contrast and brightness through their full ranges to make sure that the display settings have not been changed.
Reset the computer's LCD-External Monitor display with the LCD/External Monitor key combination and reboot the computer.
Continue to Step 2 if the screen is blank throughout the booting process.

2.Adjust the screen from its fully closed position to its fully opened position. Watch the monitor for any change from a blank screen to a display or vice-versa. If the screen flashes or cuts out, the LCD panel will need to be replaced. Skip to Step 5.

3.Skip this step if your computer does not have an external monitor output.
Connect your computer's external monitor output to a known good monitor and change the display from LCD to External Monitor (the keystroke combination is different for all notebook brands). Reboot the comptuer, if necessary.
If the computer does not display to the external monitor, the video card could be bad. Skip to Step 6.

4.Consult with a professional technician to determine the cost-effectiveness of replacing your computer's LCD if you are not knowledgeable in that area.
Purchase a compatible replacement LCD and install it yourself, or pay a professional technician to do so if you do not feel comfortable performing the repair.

5.Verify that the monitor connection cables are not loose or disconnected before attempting to replace it.
Replace the monitor yourself by removing the old monitor. Remove the hinge covers by gently prying them. Check if they are screwed to the computer before prying.
Find the monitor cable's connection to the motherboard. Turn your computer over and remove any plates that may cover the point of connection. Note the orientation of the cables before disconnecting them.
Unscrew the monitor from the hinges and gently detach it from your computer. Feed the new LCD panel's wires through the same path as the old wires, and reconnect them. Secure the new LCD's hinges and replace the hinge covers.
Power up the computer and check that it works. If it does not, recheck the wire connections.

6.Consult with a professional technician to determine the cost-effectiveness of replacing your computer's motherboard or video card if you are not knowledgeable in that area.
Purchase a compatible replacement motherboard or video card, and install yourself or pay a professional technician to do so if you do not feel comfortable performing the repair.

7.Replace the motherboard by disassembling the computer. Document every connection and be sure to retain all screws and small parts in order to reassemble the computer correctly. Reassemble the computer and power it up; check the keyboard to make sure that it has been reconnected properly.
Replace the video card by removing any covers or plates that hide the card. Remove the old card and install the new card in its place. Power up the computer to test the display.

I hope you find it very helpful. Best regards.

Aug 20, 2011 | HP Pavilion TX2635US Tablet PC AMD Turion...

1 Answer

My compaq laptop turned on after few seconds turned off it is (no display observed). laptop starts or its power light starts after pressing F10 button but no display on screen ocurs


Hi Bonde Ramipr,

It is possible that you have a faulty display, can you connect your notebook to an external monitor?
you will need a Monitor and a VGA cable (the same cable you use to connect a normal PC to a monitor).

after you conect the notebood to the monitor start your notebook. you should be able to see the boot process on the monitor, if not you may have to tell your notebook to use the external monitor. you can do this by pressing the "fn" key on your notebooks keyboard and at the same time pressing the key that cycles the display output. I will try to get a picture for you.

Oct 21, 2010 | Compaq Presario C700T Notebook

2 Answers

Blank HP w1907


If the power light does not turn color and stay's green on startup, it is not a power problem. It is most likely the inverter. If the unit is in warranty, send it out ASAP. Contact HP customer care by email and have the issue logged in.
If in warranty, they will send you a box by FedX second day and have repaired.
This is a 19" monitor and will not be worth paying for repairs if not in warranty.

Sep 03, 2009 | HP w1907 LCD Monitor

1 Answer

No display blinking power led on cold boot


I think a capacitor on PSU board has popped.. Check it. replace it for a $1.00 part

Sep 01, 2009 | Samsung SyncMaster 740N 17" LCD Monitor

1 Answer

No Display at Boot-up


Here are some suggestions to try. Your display settings may have somehow been changed, or your video card may not be working properly. If it is a display setting problem you can try to attach another known good monitor to the analog video out port of your laptop, turn it on and see what happens. If there is no output to the attached monitor do a hard shut-down by holding down the laptop's power button until it powers off. then turn it on again. With any luck your attached monitor will have a display. You can then go into the "display" settings of the control panel and reset your "settings" tab of the "display" screen. If you are running vista it will be under the "video" screen of the control panel. If this does not work you may need to have the problem assessed by a technician to diagnose your video and screen hardware. Good luck to you.

Dec 12, 2008 | HP Pavilion ZD7360 (PM019UA) PC Notebook

1 Answer

Monitor won't stay on. Error message comes up that says "no input signal", then monitor goes out.


Problem with the monitor, monitor cable, or video output. For monitor, if you have more than one input, make sure it's set to the correct one. Try a different cable. Try a different monitor. Check your video card settings--if you see the BIOS bootup screen while it's coming up then the Windows splash screen, then monitor blanks out, it's a Windows display setting. Boot into safe mode, then change settings--
  • Turn the computer on or Restart the computer
  • Start tapping the F8 key. The Windows Advanced Boot Options Menu appears. If you begin tapping the F8 key too soon, some computers display a "keyboard error" message. To resolve this, restart the computer and try again.
  • Ensure that the Safe mode option is selected (the top option)
  • Press Enter. The computer then begins to start in Safe mode.
  • When you are finished with troubleshooting, close all programs and restart the computer as you normally would.

Oct 31, 2008 | HP Computers & Internet

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