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Hi, We have a hp Elitebook laptop which is functioning fine but when we connect it to a projector, the laptop screen remains blank. The desktop icons, mouse pointer etc will show up on the projector screen but will not show up on the laptop screen. We have tried to toggle between fn & f4 keys but thats not helping us in this instance. Is there a 'function lock' that I could disable perhaps? Any suggestions woudl be welcome!

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Right click on your desktop. Go to screen resolution. There you can extend your display to 2 screens.

Posted on Mar 23, 2011

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6930 black screen


Try connecting it to an external monitor if possible.

You can use the VGA connector on your laptop to connect it to the Monitor.

restart the laptop and see if it comes up on the external monitor.

If it does show on the external monitor, It's probably the laptop screen going bad. and they ain't cheap. here's a link to a screen on Amazon, just to give you an idea...
Amazon com HP EliteBook 6930p Laptop Screen 14 1 LCD CCFL WXGA 1280x800...

If it still doesn't show, Hold down the function key and press the CRT/LCD button (Usually F8) to see if you can cycle between the external and the laptop monitor..

Hope this helps

Apr 16, 2014 | HP EliteBook 6930p Notebook PC

1 Answer

Connect projector


if your using windows 7 go to start menu control panel and then along the left side it should say connect to a projector . click on it and it should give you the option you want

Jan 16, 2014 | HEWLETT-PACKARD HP EliteBook Notebook

1 Answer

Hp elitebook 8530p no diplay


disconnect the adapter +battery . Then HOLD the power button by 30 seconds aprox. This tricks is eliminate ESD from computer.
try again, connecting the adpater and battery.
If the problem persist, connect ONLY the adapter and see if the display has normal function.
If not turn ON THE DISPLAY RIBBON can be faulty, and gum attaching is corrupted repair.

God bless you

Jun 23, 2013 | Computers & Internet

1 Answer

Elitebook 8470p not displaying to remote monitor with KVM


Is the laptop actually detecting an output when the KVM is plugged in? Try forcing output with Windows + P (Vista/7) or a function key (not sure what it is for the 8470p).

Apr 09, 2013 | HP EliteBook Computers & Internet

1 Answer

My Windows XP is connected to my Epson Powerlite S3, but the screen is blue with the words Source: Computer (Auto) No Signal on it. When I click "Help" on the projector, it takes me to a screen...


'No signal' and 'unsupported signal' messages mean 1 of 2 things, either the VGA output is off(laptop) or the display resolution is set too high(laptop and desktop). Assuming the VGA cable you are using is good, try this:


Desktop: hook the computer back up too your computer monitor & set the computer to the basic VGA resolution. For windows XP, right click a blank area on the desktop, click 'properties' on the dropdown menu, click settings. Write down the numbers in the 'screen resolution' and 'color quality' boxes!

Drag the 'screen resolution' all the way down to then 'less' side. Then change the 'color quality' to the lowest setting. Click apply, then answer yes (the display will look UGLY - don't worry!!) Now connect your computer back to your projector. If it works, then the resolution you use on your desktop monitor is not supported on your projector. Experiment with different resolutions to see which one looks best on your projector. You will need to change the settings each time you switch monitor to projector.


Laptop: by default the VGA connector on your laptop is off. To turn it on, look for a blue symbol on one of your function (F1, F2, F3...) keys. It looks like an old TV with a line on both sides 'O' (F4 on HP) Press & hold the blue button (on the lower left of the keyboard, usually to the left of control ) and tap the bleu button you just found. Let go & give you're a computer a few seconds to change over. If the laptop screen goes blank, you found the correct button! The display image should now be visible. Repeat this 1 to 2 times to change it back to laptop display.

If you did not see the display on the projector, 2 other issues are possible. First, verify that the VGA output on the laptop is working - connect the laptop to a regular computer monitor & change the display resolution to the lowest settings (see desktop above), then try it again on the projector. If you cannot get an image on a computer monitor, your laptop settings may need to be adjusted in the same dialogue box as the settings. Monitor #1 is the laptop display, Monitor #2 is the external output.
Happy viewing :)

Jun 12, 2011 | Epson PowerLite S3 Multimedia Projector

2 Answers

Hi, My Hp Elitebook 6930p display sometimes just goes progressively blank...the image freezes and then it goes from white to a lot of different colors (every pixel different color) and then just black...


easy, plug in any external display (vga first)
work now.?
also my elite book has a removable video card
also run free temp monitor software, as CPU core heat and GPU
if GPU overheats, fix that first.

mine has the 15p vga rear
and a video port left that i connect to my HDMI adaptor to TV
so i can watch screen on huge 60" tv if want.


why not use the external displays?
the hot key on top row turns this on..
the HP.com manual is free to read 24/7

page 16 in your manual shows
"VGA (Dsub 15-pin) supporting 1600 ×
1200 external resolution at 75-GHz (hot
plug/unplug with auto-detect)"

mines set to auto detect. per same book.


my 8540w has "DISPLAY" port left side and works with HDMI
so mines more ELITE, nana nana.....LOL




http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/manualsResults/?sp4ts.oid=3688868&spf_p.tpst=psiContentResults&spf_p.prp_psiContentResults=wsrp-navigationalState%3Daction%253Dmanualslist%257Ccontentid%253DService-and-maintenance%257Clang%253Den&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken

Mar 02, 2017 | HP EliteBook 6930p Notebook PC

1 Answer

HP Elitebook 2730 s video problem


Connect the s-video to your projector.Restart your laptop.Sometimes you have to restart the computer so your video detects the new connection.You can also try and check the video settings to see if you can get the laptop to detect the new connection.

Sep 04, 2009 | HP EliteBook 2730p Notebook

1 Answer

Need help with projector. can't get it to work, but I know it's me. Now, I can't get my remote monitor to work. I may have pushed the wrong button. I have an HP Elitebook 8350 and the new projector is...


There will be a function key that allows you to swap what monitor the display comes up on. On my HP its the blue (fn) function key with f4. This should swap display between laptop monitor and external or show up on both.
Other things to check are that the projector is powered on and plugged in before the laptop powers up.
Also check resolution of laptop display it may not be compatible with the projector.

Mar 19, 2009 | HP 8710w Mobile Notebook

1 Answer

Laptop computer connected to projector.


When the projector displays the background image and the lcd displays the desktop as normal you can drag the open windows to the left or right and display them on the projector. it sounds like this laptop has an internal video card. If you right click on the desktop it might give you options to configure the display settings for the video card. Not sure how you will get to it if it does not show up on the right click menu. Probably through the start menu or in the control panel there should be somewhere to change the settings for the video card. This will no be under the display settings though.

But once you find your dual display options you will be able to change it to make both displays the same

Jan 21, 2009 | Dell Latitude D600 Notebook

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