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Displayport no signal after sleep

On my newly purchased Dell SDG, the display port does not work. When I switch to it, the monitor says "No signal" and then goes into sleep mode. I already tried the obvious reboot, reset monitor to factory settings and then set the input to display part again, pull and check power cable, check display port cable on both ends.

Go to Solution. I think this is related to DisplayPort issues after soft boot I described in my post. Did you try it? View solution in original post. Actually neither higher Hz nor gsync are enabled. I could not ignore this and read everything I could find on the internet.

The following may sound really strange, but: I found a blog post see here that suggest to:. And actually this works for me: the monitor comes back up with a signal from the display port and I can set higher Hz and activate gsync in the Nvidia control panel! This is really strange.

Screen shows no signal after sleep mode

Note that just unplugging the power and immediately plugging it back in does not help at all. You really have to wait for quite some time. When I read it, I thought it was internet voodoo that would never work, but there were dozens of comments underneath that post thanking the guy. So I tried it. And it worked. BUT: The problem is, that the effect does not persist.

So when I start the computer the next time with the DP cable on, the screen reports no signal and goes black again. Cut the power, wait 1 minute. There is no way I could do this every time I start the computer! So what could cause this issue?!

And how can I fix it? Is it a problem of the monitor, the cable doubt thator the video card? We know that the SDG is hardware capable of doing g-sync and the higher Hz settings. My guess is that your version of the GTX does not really support them. Nvidia has stated that the video card must have a MHz or higher pixel clock.Both mouse and keyboard are off. I tried rebooting my pc but that doesn't work. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread.

Did this solve your problem? Yes No. Sorry this didn't help. Nothing seems work. I made a video so you can see what happens now but I can't upload it here. Now every time I turn on my pc the orange light inside flashes like it's in stand by mode and the screen doesn't even say no signal.

It's just black. I know you did you best to help me but I guess I will need to call a technician. Thanks anyways. Site Feedback. Tell us about your experience with our site. Could you please help me? I have the same question Previous Next. DaveM Independent Advisor. Hi andregava1, more than likely this is caused by your video device driver.

If that does not resolve the issue, go to the support page for your device on the manufacturers website, then download and install the video driver they recommend, it may well be an older version to the one you are currently running.Go to Solution.

Can you try connecting the monitor to a different computer, e. Does it work? Can you try connecting a different monitor to your computer? Does your computer "drive" that monitor? I try to f10 on opening and press 3x arrow down and 2x enter.

My keyboard lights come up And suddenly my monitor no signal. I cannot return now my monitor back. Hope you can help me. Thanks for a reply.

Can you take it back to the store, and get them to show you that it works, when connected to their computer? Are you telling it that? Remotely possible is installed software, by the same company that makes your graphics adapter, that adds special keystroke combinations -- CTRL-ALT-DELETE is such a combination -- that tell the installed software to do something with the graphics adapter, such as "overclock".

Very, very, very, remote possibility. As I wrote, in my previous message, there is almost ZERO possibility of such a keystroke combination.

I think that it is time to take your computer and your monitor to a qualified computer technician, to get professional face-to-face assistance with your computer. Didn't find what you were looking for? Ask the community. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.

Showing results for. Search instead for. Did you mean:. Fix Windows 10 Update Issues. It has been a while since anyone has replied.

Monitor gets no signal after waking from sleep mode.

Simply ask a new question if you would like to start the discussion again. All forum topics Previous Topic Next Topic. Level 1. Message 1 of HP Recommended. Product: hp envy phoenix h9 pc series. Operating System: Microsoft Windows 8. Tags 4. Tags: HP Envy Phoenix h9 pc series. Level Message 2 of It looks like you're new here. If you want to get involved, click one of these buttons! On behalf of all our users and the Acer Team, we thank you for your dedication!

Sign up for an Acer ID and get exclusive access to deals and the Predator Den community, where you can ask and answer questions about gaming and gear. Discussion No signal with DP on wake up from sleep.

What to search articles discussions comments polls questions answers. January edited February in Predator Monitors.

It works perfectly when using HDMI It works fine when waking up from hibernation The PC is on, as it can play music and if I plug in a different monitor, it's working I have tried the following: lowering the Hz swapping DP cables using High performance mode turning off link state making sure connections are tight switching to different DP ports on my GTX any ideas?

Magas Member Posts: 1 New User. January Hello guys. I have same problem but with XBHU monitor. When i turn on and turn off PC everything is ok. But if i using sleep mode and choosing in settings Power Option that my monitor go sleep after 10 minutes and PC after 15 minutes everything working.

displayport no signal after sleep

But when i wake up with mouse or keyboard PC turn on and monitor show message: No Signal. If i want that everything work again i need turn off PC full.

displayport no signal after sleep

I mean turn off from back box. Then turn off monitor. How can i fix this? February I heard from Acer support and they suggested to disable monitor auto detect Giligash Member Posts: 1 New User. October This Worked for me. Maybe if there's still a problem for you or if anyone comes across this thread it will work for you too.

Sign In or Register to comment. Who's Online 1. Join in, share your experience!On a couple of occasions the smaller monitor connected via displayport has not awakened from sleep.

I hear a beep as if removing USB device. My understanding that I have no control over that. Go to Solution. Setting ACPI to more power hungry form of suspend e.

View solution in original post. This is a video card, video card driver, or operating system power management issue. The monitor DP DisplayPort is passive. It simply waits for the signal from the video card to awake. My guess is somewhere in that software is the ability to tell it to adjust what the card is doing as far as power management.

displayport no signal after sleep

That's unfortunate because:. It is no function to wake up, only a function GPU shall not go into idle state.

Asus VG248QE DisplayPort No Signal - Quick Fix

Nothing like ULPS. Browse Community. Turn on suggestions. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.

Showing results for. Search instead for. Did you mean:. Displayport monitor does not wake from sleep. Both monitors connected with DVI awake no problem. Any help? All forum topics Previous Topic Next Topic. Accepted Solutions. If you enable this feature and experience problems with the standby mode, simply go back into the BIOS and disable it. S1: All the processor caches are flushed, and the CPU s stops executing instructions. Devices that do not indicate they must remain on may be powered off.

Can you help me reassign this thread to the Desktop Video forum? Disable ULPS sounds to me like it might be worth a try.Jump to content. You currently have javascript disabled.

displayport no signal after sleep

Several functions may not work. Please re-enable javascript to access full functionality. Posted 24 September - PM. Whenever I wake my computer from sleep mode, my monitor keeps flashing "No signal detected. Everything else still appears to respond; keyboard and mouse lights are on, and I still get audio.

Just no monitor signal. If I turn the monitor off, I still get the "device disconnected" sound. Monitor uses a Displayport connection, if that makes a difference.

Also, when this problem occurs and I restart the computer, once or twice the monitor has reported no signal after Windows boots. The BIOS still shows, but after that, nothing. I've checked the cable, done a clean install of my graphics card drivers, and disabled fast startup.

It could be possible the monitor might be going bad. Have you try disabling sleep mode but rather use "turn off the display:" setting and seeing if it comes back on after XX to see if it due to the sleep mode or maybe a issue with the monitor.

I would also try changing the cable maybe if you have a spare or switching outputs if you have another output avaiable, either another displayport cable with anothe displayport output on your desktop to dvi or vga maybe.

I just turn them all off because I am fed up with troubleshooting them. The screensaver and sleep modes are left-over utilities from the old CRT monitors that would develop burnt-in images if the same screen was left in place for too long.

Help Requests : If there is no reply after 3 days I remove the thread from my answer list. For further help PM me. Sorry, I should have been clearer; it's when I put the computer itself into sleep mode, not just the monitor. I have seen this so many times it's getting old. The sleep and hibernate modes default the monitor and cause more problems that it is worth.

Screen savers are seldom a fault but the hibernate and sleep modes cause trouble. The hand shaking going on has no way to recover itself when a quiet state is chosen, it has to be within the interface of each device to handle those modes.

They do seem to create a dramatic event that is detrimental to the monitors interface. Posted 02 October - AM. Brand new computer and display. Display was hooked up via display port.

No signal with DP on wake up from sleep

I've had the setup for about a month and the other day the monitor would not come back on after sleeping. I have now set it to never sleep or hibernate. I tried rebooting and unplugging cable.Log in.

Ask a Question. TechSpot is dedicated to computer enthusiasts and power users. Ask a question and give support. Join the community hereit only takes a minute. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. No signal with DP on wake up from sleep. Thread starter scubaslim Start date Jan 8, It works perfectly when using HDMI It works fine when waking up from hibernation The PC is on, as it can play music and if I plug in a different monitor, it's working I have tried the following: lowering the Hz swapping DP cables using High performance mode turning off link state making sure connections are tight switching to different DP ports on my GTX any ideas.

I'm no expert on this stuff, and I hope others can offer a better answer Possibilities include too little voltage to RAM when in sleep due to the defined energy cap for this specification. Microsoft offers these ideas about how to fix the issue. Most interesting - - performs correctly after hibernate but not sleep.

Hibernate is the more drastic of the two and shuts off as much power as possible. The obvious workaround is to use hibernate :grin:. You gave the video spec --what hardware platform are you using?