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Dinosaur
Puzzling TV/Monitor issue with different sources.
Wedding fair tomorrow, so may want to hang the biggest telly I have on the overhead. Trial run with a smaller TV threw up this conundrum. Backup laptop runs on ( I think ) Windows 7, and has VGA and HDMI. When I plugged this in to the telly via HDMI, it altered the screen on the PC, and nothing on the telly. Same with another telly.
Curiously, the Surface Tablet ( W10 ) is flawless on both TVs via HDMI. So is the main laptop, also W10. The interesting thing is, when I join the W7 lappy to a monitor by HDMI, it too is flawless.
So, don't laptops before W8/10 work on TVs with HDMI? I haven't tried it, but I have a sneaky suspicion that if I'd used VGA with the TV and W7 it would have worked. Thoughts anyone?
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When plugging in either VGA or HDMI, if it doesn't show immediately, always give the device a full restart, with the newly inserted cable inserted.
That can often 'activate' it.
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First thing to try is right clicking on the desktop of the laptop monitor once the external display is connected. Somewhere in there you should be able to find an option to tell windows what to do about the external display. Twas ever thus & you shouldn't need to reboot anything just because you connected another display.
https://support.microsoft.com/en-gb/...y-in-windows-7
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Originally Posted by
Nakatomi
First thing to try is right clicking on the desktop of the laptop monitor once the external display is connected. Somewhere in there you should be able to find an option to tell windows what to do about the external display. Twas ever thus & you shouldn't need to reboot anything just because you connected another display.
https://support.microsoft.com/en-gb/...y-in-windows-7
Exactly what Justin said!
I actually helped someone with this very same query only last week. Some laptops need you to activate the external display output - it's not as easy as just plugging it in! My laptop does this with the F8 key. Or you may need to right-click your desktop, go to Display (or Display Properies) and choose Multiple Monitors (or similar) there. You may need to click "Detect" to find the screen then you'll get options to adjust the display, resolution, etc.
Should this not work, then you may need a new cable. Remember that there are different classes of HDMI cables and you'll need one that can support your screen, and laptop, data bandwith. In fact, just buy the latest standard HDMI 2.1 as new cables are always backwards compatible! Less to worry about that way!
Dazzy D
Lightning Disco & Entertainment
Born to make you party!
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Originally Posted by
Nakatomi
you shouldn't need to reboot anything just because you connected another display.
I've always assumed that - but it was the restart that I did that saved a panicking best man the other week!
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Originally Posted by
rth_discos
I've always assumed that - but it was the restart that I did that saved a panicking best man the other week!
This sounds like your display adaptor drivers crashed rather than just it needing activating. These things can happen!
Dazzy D
Lightning Disco & Entertainment
Born to make you party!
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