Question about HP Compaq Presario SR2013WM (RE468AA#ABA) PC Desktop

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Replaced power supply and viedo card stil no signal on monitor

No power on keyboard,nosignal on monitor then goes to sleep

Posted by Anonymous on

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  • 206 Answers

Disable on-board video or check to see if you power supply has the wattage to run the video card..

Hope this helps

Posted on Apr 29, 2015

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Posted on Jan 02, 2017

  • 10 Answers

SOURCE: Monitor malfunction, says VGA Input: No Signal and goes to sleep

If it was your video card, you would have no picture at all. Try to boot in safe mode and do into your options and make sure your hibernation is not on. Only other thing I can think of, it could be *********** board.


Posted on Nov 29, 2008

AtlasIT
  • 72 Answers

SOURCE: cpu says no input vga signal, then goes to sleep

The no input VGA signal just means that the monitor is not receiving anything from the graphic card on the tower. Is the card a digital (DVI) output card? You'll know by the connector, it's white and slightly wider than a standard VGA connector. If so, perhaps the monitor is set to the wrong input?

If that isn't the case, and the computer is using an on-board or built-in graphics controller, you could try resetting the system's CMOS settings by setting the clear-settings jumper on the system board, or simply remove the plug and CMOS battery for a few minutes. Check the computer's documentation on the exact steps to do this.

Hope this helps!

Posted on May 19, 2009

benwabnick
  • 2404 Answers

SOURCE: HP Slimline Pavillion s3123w monitor going to sleep.

Sounds like the motherboard might be bad but go thru these steps.


Unseat and reseat the memory one stick at a time in each slot one at at time and turn on the computer after each stick reinsertion.


If that doesn't get the video to come back up then go ahead and unseat and reseat the CPU. Then try turning on the computer.

If that doesn't do it, make sure there is no power going to the hard drive or the dvd drive. Then try turning on the computer.

If you do all of these steps and you still have no video, then the motherboard is bad and would need to be replaced.


Posted on Aug 19, 2009

Raditronic
  • 196 Answers

SOURCE: replaced video card & power supply & still

possibly bad motherboard.

Posted on May 06, 2010

  • 30 Answers

SOURCE: HP w2207 no vga input signal, no dvi input signal monitor goes to sleep

There is no signal coming from your PC.
excuse some of the solutions as sounding dumb, but we have to explore all possibilities.

Check the power cable going into the computer
Check the power input disconnect switch on the back of the power supply and make sure it is on
If the pc is plugged into a power bar, make sure it is turned on and the breaker isn't tripped
press power on the PC and make sure the lights are coming on.

now for the solutions that may actually help.

disconnect the power from the PC
if the video is on a card, remove and re-seat the video card
hook the power back up, connect the monitor and try again.

the CMOS on the computer may need to be reset.
I hate totally clearing the CMOS, so what I usually do is remove 1 stick of ram and power up. If the system is alive again, power down, put the RAM back in and power back up.
If that doesn't work, turn the system off, put the CMOS jumper to the CLEAR position for 15 seconds, put it back to the Normal position and then power back up.

Basically, if the monitor works on your friends system but not on yours, the the problem is your system, not the monitor (assuming it isn't working fine til it gets into windows...if that's the problem, you have a driver or configuration problem)

Posted on Jun 10, 2012

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1 Answer

No signal,no power on keyboard or mouse


Sounds like a power supply issue - try to replace the power supply.
Many computer shops - MicroCenter, BestBuy.. The power supply is pretty cheap - 15 to 40 dollars US. Search the power supply sticker.
Could also be a short, so make sure you can return the power supply with no penalty for it's return - if that doesn't fix the issue..

Hope this helps you..

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If the monitor is displaying the "Power Saving Mode" signal to the monitor, then the monitors internal VGA board is functioning, so you can rule out a broken monitor. However I have seen monitors blow the internal fuse to the VGA board which causes a false "SLEEP" signal. If this be the case then it will require replacement of the fuse (usually a microfuse soldered onto monitor internal board) or most likely a monitor replacement.

To test:

Option A: you can connect another monitor to the monitor output on the back of the computer and see if you get a display. If this monitor goes to sleep, then it is likely that your Video card is malfunctioning. If you get a display, then it is definately the monitor.

Option B: If you have another computer, you can attempt to connect the monitor to another computer. Also most modern laptops will be equipped with monitor output, so if you have one you can check it. If the monitor sleeps, then it is definately the monitor. If you get a display, then it is definately the computer video card.

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so either your computer is putting in sleep mode, or the power inverters on the back lighting are heating up and going out, try using a fladhlight to see if the picture is stil there after it goes off. if its there you have bad inverters. if there is no picture and your computer didn't go to sleep, then you have a bad controler card .

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That's normal with some monitors when they do not detect a signal from the video card.

Make sure the cable is firmly plugged in.

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Connect the monitor to some other computer, e.g., a notebook, and see if it does the same thing. If it does, then the monitor is the problem.
If it does not, then your computer is not putting-out any "video" signal, and so the monitor goes to "sleep".

If you have MORE than one VGA-output port on your computer, connect your monitor to the "other" VGA port.

Or, press-and-hold the ON/OFF button on your computer, to force it to completely shutdown.

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My Computer boots and montitor says Going to sleep and flashes VGA : NO signal and goes off


Check under "Power Options" of the control panel of Windows that "Turn off Monitor" is set to "Never" Also check under the advanced tab of "Power options" that "When I press the sleep button on my computer" its set to "Do Nothing"

This will most likely solve your problem. the sleep button may be stuck on the keyboard causing the pc to quickly go into sleep mode

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Mine similar except the blue light stays on ,monitor goes black


Have you tested the monitor? The monitor could be faulty. Try hooking up the computer to another monitor or another computer up to that monitor if possible. If the monitor is testing good then make sure all USB devices are disconnected and try to boot again. Then open the case and blow out any dust. Check the motherboard screws are tight. If the screws holding the motherboard to the case are loose it can cause a grounding issue. Then swap out the power supply with a working one and see if that fixes it. Disconnect hardware one at a time and re-boot. One of the devices...cd-rom,harddrive,ect could be faulty. Make sure the video card is fully seated and test the card in another working computer or test a working card in that computer. If it has on-board video then install a video card if available and see if it works. If none of these things work then the board is bad and needs replacement.

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Monitor malfunction, says VGA Input: No Signal and goes to sleep


from what you have described it appears that the onboard video might have malfunctioned,there is no way to replace it, you can however go buy a video card from your nearest computer retailer. you just want to make sure it is compatible with your machine. on another note from what your saying the keyboard is donig i would be wary about spending to much $$ because it could also be your motherboard

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Screen goes to sleep after "no signal" message


If you do not move the mouse or press any key on the keyboard it could be just going into video power save. Confirm it by moving the mouse or pressing a key on the keyboard. If the monitor comes back on, adjust the power settings in control panel and change the time for the "turn off display" to a more suitable setting.

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Going to Sleep


Due to the power surge, it is highly possible that the monitor was given a boot by your computer on it's way out.

This will short out a very small transistor inside the monitor on the video board and in turn, then monitor cannot see that there is a signal so goes to sleep.

If you get brave enough to venture inside the screen, then check near the cable input. The transistors are only around 3mm and have 3 legs (two one side and one in the middle on the other).

If you find anything like that burnt (get a magnifying glass) then replacing the board is the easiest option. Just don't be tempted to wipe the board before you look at everything very closely, you may wipe away the tiny bit of evidence you are looking for.

Hope it helps =)

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