Laptop works fine except recently when I turn it on, the picture is very dim on the screen. But if I close the lid and press around on top the lid and open it up again, the image is sharp and bright. Unfortunatley at bootup the picture is more and more coming up bad instead of good. I'm getting tired of having to close the lid and press around on it to get it working. Any ideas on what is wrong?
There is a concealed switch situated just to the right of the right
hinge, which is activated by a cam on the screen bezel and acts as a
sensor for lid open or closed, it also turns off the backlight, so if
it sticks in a closed position, the backlight will not turn on, either
free the switch, or disconnect it, it connects to the small power board
(under the cover with the power button and 5 funtion buttons) i hope
this solves your problem. ..... ****
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Re: Compaq nx9030 Laptop
It sounds like your LCD screen is going bad. Before buying a replacement screen you can try...
If there are screws around the screen case, you can try tightening them.
Reconnecting the lcd screen to the laptop - see the website http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?lang=en&cc=us&taskId=101&contentType=SupportManual&docIndexId=64255&prodSeriesId=424677&prodTypeId=321957
If this doesn't help, you'll need to have the screen replaced, replace it yourself, or take it to a repair shop to see if they can fix the screen without needing to by a new one.
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Most likely it is either a bad lcd inverter, due to the fact that you have clear picture on an external monitor. The inverter reduces the voltage coming from the motherboard to a lower level in order to power the lcd and the backlight. If this goes bad then you either get a picture randomly, a dim picture, or no picture on the lcd.
The lid actuator switch may not be working correctly. It's a small switch above the keyboard and led's on either the right or left side. Try pressing it 2 or 3 times to see if the display starts working correctly again. If so, it will need to be replaced.
If that doesn't work, you can also turn it on with the ac adapter plugged in. After it boots, press the power button and hold it in until it shuts off and then turn it on again and see if the display has returned to normal.
If neither of these options work, your laptop may need to have the backlight replaced.
Is your computer setup to go to sleep when you close the lid?
Click on start -->control panel-->power options and then check the option that says choose what closing the lid does. You have to change this setting to 'do nothing' if you want the computer to stay on when you close the lid.
I have had this before with my Dell Latitude C540/640. I don't know the ACER 5720 but here's a couple possible fixes for you.
1. Press the function key ( "fn" key, generally a blue key or blue lettering and usually in the bottom left corner of your keyboard) and press F8 (may be a different key on your laptop, again, not familure with the acer. The key usually has either CRT/LCD printed on it, or two monitors on it, one its just an outline of a monitor and the other is filled in. This will run you laptop through the three monitor options it has. (LCD - LCD & External - Just External)
2. Try closing and opening the lid of your laptop. Sounds a bit strange but it works sometimes for me. My guess is when you close you screen it would "dim/turn off" the LCD and re-opening it convinces it to turn the screen back on.
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.
One of two things.
Either your inverter gets unpluged (therefore it isn't plugged in correctly in the lappy) unless it's moved to a certain position (so don't shake your lappy or else you might see nothing), those being positions where theres slight pressure on the connector, even though it's loose or unplugged (POSSIBLY faulty, but most likely not, if it turns out it is, other than resoldering it, you'll need to return it for a fixing up.)
The switch that turns your screen off when the lappy closes is faulty (if it's located near the back of your laptop, aka. under the lappy's LCD bezel.
Opening it up and unpluging and pluging in the inverter is probably what the solution is. A tech might do it for free if you're nice (or you could do it yourself, don't loose any screws :) )
Hopefully it is just a loose connection and isn't a big deal at all to fix.
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does the fan work ok? and do you have a laptop holder for it or you just have it on a desk ....get a laptop holder for it if you do not have one and as for the rest goto the power mangment area on the computer and see if the monitor might be on stand by after a few min ...