Fix DisplayPort No signal issue on Windows 11/10

Sometimes, in your Home windows 11 or Home windows 10 PC for some customers, you could encounter points like Generic PnP Monitor not detected, Exterior monitor not detected, Stretched Display screen show drawback, 144Hz choice not displaying up in Show choices. On this publish, we offer the options to the difficulty the place your monitor has no sign when your units are linked through DisplayPort.

What's DisplayPort?

Basically, a DisplayPort is a digital show interface primarily used to attach a video supply to a show gadget (principally displays). It additionally carries different types of knowledge comparable to audio, USB and so forth. This port is broadly used for connecting CPU’s to displays for high-end graphics. For higher show, PC customers can join pc to a monitor with a DisplayPort cable.

DisplayPort No sign

In case you are confronted with the DisplayPort No sign subject in your Home windows 11/10 PC, you may attempt our really helpful options beneath in no explicit order and see if that helps to resolve the difficulty in your gadget.

  1. Restart and reconnect units
  2. Examine DisplayPort connection
  3. Replace show driver
  4. Take a look at reference to one other cable or gadget

Let’s check out the outline of the method concerned regarding every of the listed options.

1] Restart and reconnect units

You possibly can start troubleshooting to resolve the DisplayPort No sign subject in your Home windows 11/10 PC by restarting and reconnecting your units. You possibly can restart PC with the DisplayPort cable hooked up and show gadget turned on.

Restarting and reconnecting the show gadget is understood to have labored for some affected PC customers. Merely powering off the monitor and turning it again on doesn’t repair the difficulty in hand as a result of there are a number of capacitors that must be discharged utterly earlier than reconnecting your PC.

Do the next:

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  • Shutdown your pc.
  • Subsequent, unplug your PC energy cable from the change.
  • Subsequent, flip off your monitor and unplug its energy cable from the principle change.
  • Disconnect the DisplayPort and await a few minutes.
  • Join the pc and monitor again and join the DisplayPort to the monitor accordingly.
  • Now, boot the pc.
  • Lastly, energy the show gadget again on.

The difficulty must be resolved now; if not, attempt the subsequent answer.

2] Examine DisplayPort connection

You're prone to encounter the difficulty in hand because of improper connection between the units. On this case, to resolve the difficulty, it's important to be sure that the connector has been plugged into the port accurately and is firmly hooked up and never wobbling or free. You possibly can unplug an re-plug the DisplayPort connection, and ensure to push the connector all via in such a means it doesn’t simply pull out when tugged on.

3] Replace show driver

The difficulty in view could come up because of defective and incompatible graphics driver in your system. To rule out this chance, you may replace your graphics adapter driver.


You possibly can manually replace drivers through Machine Supervisor in case you have already downloaded the .inf or .sys file for the driving force, or replace driver through Command Immediate. You possibly can as nicely get the driving force updates on the Non-obligatory Updates part underneath Home windows Replace or you might also obtain the newest model of the driving force from the producer’s web site.

Nevertheless, if the newest drivers are put in, you may rollback the driving force or obtain and set up an earlier model of the driving force – in some case, that is identified to resolve show points.

If each updating and/or rolling again the driving force didn’t work, you may uninstall the graphics driver utilizing Command Immediate or use Show Driver Uninstaller. After the uninstall process, restart your PC – on boot, Home windows will scan for {hardware} modifications and mechanically reinstall the generic driver for the graphics adapter which in some circumstances is enough sufficient for the show to perform with out points.

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4] Take a look at reference to one other cable or gadget

It’s probably you’re coping with {hardware} or element subject. On this case, you may check your DisplayPort reference to one other DisplayPort cable and even with one other pc or monitor. Additionally, examine to ensure the difficulty isn’t from the cable or from the ports. As well as, run the {Hardware} and Units Troubleshooter and see if that helps.

If the difficulty is along with your Home windows 11/10 PC or the show gadget, you may have your units repaired by a PC {hardware} technician, or if underneath guarantee, you may contact the producers of your units for alternative or additional help.

Associated publish: Repair Acer monitor no sign subject

Why is DisplayPort not working?

Relying on the next situation: if DisplayPort is just not selectable, be sure that the DisplayPort cable has been correctly linked to each units (PC and monitor). If the DisplayPort choice is selectable however no sign seems on display screen, you may unplug the cable and plug it again in and power the monitor re-detect the connection.

How do I do know if my DisplayPort is lively or passive?

Energetic DisplayPort adapters have a chip (semiconductor) to spice up the efficiency of that gadget. If there is no such thing as a chip, the adapter is taken into account passive. Mainly, if the adapter features a little field that homes the dialog chip, then it's thought of lively.

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