I used my Compaq R3000 laptop early this morning, with no problem; I didn't turn it off but allowed it to go to sleep. When I returned to it a couple of hours later, the screen was black, although the computer obviously was on (hard drive and fan noises, orange indicator lights including caps lock). I managed to connect it to an external monitor, and it worked fine.
Any suggestions? Does this necessarily point to a hardware problem (backlight, invertor)?
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Re: Compaq R3000 laptop screen went black
Give this a try -
1. Remove all USB devices such as printers, mp3 players etc etc.
2. Remove the power-cable and the battery
3. Press and hold the power button for 30 seconds
4. Put the power-cable back in but not the battery and none the USB devices.
5. Turn the computer on
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If you have a second monitor, you can plug it into the VGA port on your laptop. If you get a screen on the secondary monitor, then the problem is your laptop screen and not your video card. If you get nothing on either screen then it is your video card and you will need a new mother board.
have you any other A/V ports out ie Svid etc if so try that via an A/V lead, if that works reset your bios settings to minimal settings, if that doesnt work search the 'net someone somewhere has had the same problem! try shining a flashlight/lamp onto the screen whilst booting up, if you see anything on the screen then your inverter is definatly gone and yes it could still be your inverter! your laptop may have software/hardware issues with an external monitor?
Sounds like the auto-dim in the BIOS is set too low. Fortunately the Compaq R3000 allows you to adjust the brightness right from the keyboard. Hold down the [FN] function key while tapping the [F8] key will brighten the screen, while [FN]-[F7] will dim it. The settings are different for running on AC power and battery, so you must do each individually.
It appears without looking at the laptop you have removed or dislogged the cable that goes between the motherboard and the screen. This is not hard to do they are very delicate. The only thing you can do is take it to a qualified service tech. i get these periodically in my shop too. Check the cable before you do so to see if you can reconnect it but be very carefull.
Be mucho blessed,
Greetings Myname is Mark and I'll be glad to assist you.
I need some information so I can do some research for you.
1. What is the make and model of your laptop
2. Did you use a cleaner or water at any time.
3.What was the reason for removing the back panel.
Please let me know and I can follow up for you,
Be mucho blessed,
Most laptops have a function key that allows you to use special color coded operations. Usually these are in blue on the keyboard. Look for on that shows a picture of two monitors side by side. One will have a sun in it. Try pressing and holding the function key and then tapping this two monitor key. This option is suppose to allow you to activate a second monitor or a projector for presentations.
I had the same problem and the solution was pretty funny! All it was, was the little thingie that gets pressed down as you close the lid on the laptop got wedged in the hole so it didn't pop out when I opened the lid! Solution......simply pop the thing out with a paper clip!