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Re: HP dv1000 monitor just stopped working.
During the startup or boot process of the notebook, the display is very dim and barely readable. It remains dim when it reaches the Windows desktop.
Restart the notebook with AC power
Perform the following steps to determine if the dim display is due to a hardware failure:
Connect the AC adapter to the notebook and a working electrical outlet.
Power down the notebook PC by pressing and holding the Power button for 5 seconds.
Press the Power button again to start the computer.
If the display is still dim after restarting with the AC adapter connected try changing the LCD brightness.
Change the LCD brightness
From the Windows desktop, hold the Fn key and press the F7 and F8 keys to increase or decrease the brightness of the display. If using the function keys does not resolve the problem, determine whether the Lid Actuator switch is stuck.
The key number may vary depending on the notebook PC. The image on the key should resemble the following images:
Figure 1: Brightness Level DownFigure 2: Brightness Level UpNOTE:
During battery power operation, the notebook display will dim to reserve battery power.
Adjust brightness control using the control panel
Some notebook PCs have the ability to adjust the brightness through video drivers. If the notebook PC has video drivers with this capability, perform the following steps:
Click Start , Control Panel and then double click Display .
Select the Settings tab and click Advanced .
If the feature is available, a tab with the video card name will be present. If it is, select that tab.
Adjust the desired brightness.
Finding the Lid Actuator switch
The Lid Actuator switch is a small button or switch located above the keyboard and LEDs on the right or left side of the notebook. It may also be located near the display hinges. Pressing this switch when the computer is on may turn the notebook display off or cause the notebook to enter a different power state.
Press the switch 2-3 times while observing the display. If the display is no longer dim the switch may need to be repaired. Contact HP service and support for further assistance.
Contact HP service and support
If the display remains dim after the troubleshooting in this document it may be possible that the backlight is damaged. Please Contact HP service and support to schedule a repair
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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.
Two things: video card issue or video card settings. Try to go to the power options configuration of your portable system. Adjust the brightness. If changes does not take effect on your portable's display as well as the external monitor, it is a video card issue. The last option of resolution is to re-install the video driver. Click the link below and choose the exact model of your computer. Try to download the video driver for your computer. Make sure that you have the correct driver for your operating system. If re-installing the video driver still fails, unfortunately you need to have your video card replaced. Usually the video card comes embedded on the motherboard. That means you have to have your whole board replaced.
HP Pavilion Models
Hook a external monitor to the video output on the back of the laptop, if okay! there is a LCD problem with the laptop screen, causes! bad inverter board, or back light. If both show black! causes are Video Graphics Card that is part of the motherboard.
Did you insert the memory card properly? because if your memory card is not inserted properly, the SD card reader may seem not to work. And if probably the problem is from the SD card reader slot, then you have to give it to an engineer for repair or better still take your laptop to Hp customer service center for repair. Thanks
well seems like the lcd has lost or the video card has an issue easy way to find out is to hook it up to a monitor and if the pitcure comes out fine then its your lcd screen and if it appears the same then its your video card.
you have an ext monitor connection which you can use another monitor or get s-video lead and connect to a tv.
use fn + f4(or f key that has little square icon printed on it)
this combination switches from laptop screen to ext screen/tv
Sounds like the LCD backlight or inverter went bad. More probably the inverter,and that's good because,of the two, it's usually cheaper and easier to replace. Before considering those,check the lid switch to make sure that it is operating correctly and not stuck down. Ron