Re: The display on myy HP dv1000 laptop went black.
In addition to the Inverter (which is the power supply for the backlight) the backlight itself often fails (I've only seen one Inverter failure out of about 30 systems I've repaired with this problem, the lamp itself is first suspect). This is a job for someone that has a backgound is doing this type of repair. Backlight is cheap, 10 - 20 bucks, but if the display gets broke in the process the cost can easly be as much as a new laptop. To pay someone else to do it is 100 to 150 if you look around.
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Re: The display on myy HP dv1000 laptop went black.
Sounds like its either going to be a bad display or the inverter underneath the display is not providing enough power to the display to light up properly. Only way to troubleshoot it is to swap out the inverter and/or the inverter to designate the exact problem.
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This could be due to a couple of things. If your computer is actually starting up and you get no graphics (actually nothing at all on your monitor) then you could have a bad monitor or a bad video card. If the computer is working at all, the monitor should display something, if just an error message. My suggestion-try an external monitor (be sure to press the Fn and special function key combo to send the signal to the external monitor). If that doesn't work (either monitor), then the graphics card could have problems. If the external monitor works, then you could have a loose connection to the screen or the screen could be bad or perhaps the inverter that runs the screen could be bad. In this case, you'll have to get it fixed.
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.
Have you tried cycling all the way through the options with the F4? Most laptops toggle in a manner similar to: 1) Laptop only, 2) External display only, 3) Both displays, 4) Back to Laptop only (cycle repeats).
If you are not getting anything on the display, it might be the display itself. Try to hook the computer up to an external monitor. If you get a display on the monitor (be sure to push the Fn key and the appropriate F key to switch displays), then it's your LCD screen. If there is nothing on the external display, your video card is bad. The video on this screen might be integrated into the motherboard.
try ur on screen keyboard.
start,al programs,accessories,accessability,on screen keyboard.
if any keyboard buttons are broke u can still use the functions with the on screen keyboard.
on one of my laptops the enter and del keys dont work so I use the on screen keyboard when I need the function of those keys.
You need to press hold the FN key and press the F4 function key once which toggles the display to the External Display source like the television connected along with the LCD of the Notebook.
If the FN and F4 key combination is pressed again, the display will dissappear from the LCD of the Notebook and remain only on the external source.
If the FN and F4 key combination is pressed third time, the display will be back on the LCD of the Notebook and will not remain on the External display source.
Here are these details in other way :
First time pressing FN + F4 ---> Display on LCD and External display
Second time pressing FN + F4 ---> Display not on LCD but on the External Display
Third time pressing FN + F4 ---> Display back on the LCD and not available on External Display (Normal position).
Below are the details of what the Function keys in your DV1000 Notebook work :
fn + f1 Opens Help and Support Center
fn + f2 Opens print options window
fn + f3 Opens default Internet browser
fn + f4 Switches the image among displays
fn + f5 Initiates Standby
fn + f6 Initiates QuickLock
fn + f7 Decreases screen brightness
fn + f8 Increases screen brightness
fn + f9 Plays, pauses, or resumes an audio CD or DVD
fn + f10 Stops an audio CD or DVD
fn + f11 Plays the previous track or chapter on an audio CD or DVD
fn + f12 Plays the next track or chapter on an audio CD or DVD
fn + esc Displays system information.* (*To clear the system information display, press esc.)
Hope this helps...
Even though your computer screen has good black does not mean the computer is gone, first try the fn button on left bottom of the key board, hold this down with the f1 fey or the function key that has a light bulb on it.or the f8 fey with the sun on it. If these do not work, or the f3, try these first, then If these do not help, se if you have a local flea market that has a computer shop, these are people who are much cheaper than retail and sometimes much faster. If it is an older computer you can hook it up to a desk top montior and use it as if it was a desk top instead. I had one that the screen is broke off, but the computer still works through the montior.