Question about HP Pavilion dv9000z Notebook

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My hp 9000 screen is not turning on?

The blue lights along the top are all on. the mouse blue light is on, but the screen will not come on.

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Posted on May 03, 2010

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Posted on Jan 02, 2017

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Acer laptop switched on light up on switch but no screen display


A blacked-out screen doesn't necessarily indicate a broken monitor. If the computer has run out of charge or is in hibernation or sleep mode,

if the screen is too dark, or if the display cable has come disconnected from the motherboard, the screen may appear black or fail to turn on.

To fix a blacked-out laptop screen, troubleshoot the screen settings, check the LCD connector and see if the computer is awake and receiving power.

Touch the touchpad or move the external mouse to see if the computer is asleep or hibernating. If the computer fails to respond, press "Enter" on the keyboard.

Press the power button if the screen remains black. Confirm that the power indicator light, found at the front of the computer or above the keyboard, is glowing solid green or blue.

Confirm that the power adapter is plugged into the computer and into a wall outlet. Confirm that battery indicator light is glowing solid green or blue.

Hold down the "Fn" key. Press the up-arrow to see if the screen brightness increases. Some computers also use the "F6" or "F7" keys to increase screen brightness.

Hold down the power button for 10 seconds to turn off the laptop. Remove the AC adapter from the computer, close the screen, and then turn the PC over.

Slide the battery latch to eject the battery. Pull the battery out of its compartment.

Turn the computer back over, open the lid, and insert the edge of a flathead screwdriver or other flat, solid object beneath the bezel above the keyboard.

Wedge the edge of the keyboard bezel off of the top cover. Work your way along the edge of the keyboard bezel to loosen it. Pull the bezel off the laptop.

Trace the cable coming from the laptop screen to the connector found beneath the bezel. Reconnect the display cable to the motherboard if the cable has come loose from the connector.
Line up the tabs on the bezel with the slots along the top of the keyboard. Insert the right edge of the bezel into the gap above the keyboard, and then push the bezel back in place.

Turn the computer back on. If the laptop screen is still blacked out, connect an external monitor to the video port on the side of the PC to confirm that the video card isn't defective. If the external monitor works, the LCD screen could be broken.
If the monitor doesn't work, the motherboard or video card might need to be replaced.

hope this helps



A blacked-out screen doesn't necessarily indicate a broken monitor.
If the computer has run out of charge or is in hibernation or sleep mode,


if the screen is too dark, or if the display cable has come disconnected from the motherboard, the screen may appear black or fail to turn on.


To fix a blacked-out laptop screen, troubleshoot the screen settings, check the LCD connector and see if the computer is awake and receiving power.


Touch the touchpad or move the external mouse to see if the computer is asleep or hibernating. If the computer fails to respond, press "Enter" on the keyboard.


Press the power button if the screen remains black.

Confirm that the power indicator light, found at the front of the computer or above the keyboard, is glowing solid green or blue.


Confirm that the power adapter is plugged into the computer and into a wall outlet. Confirm that battery indicator light is glowing solid green or blue.


Hold down the "Fn" key. Press the up-arrow to see if the screen brightness increases.
Some computers also use the "F6" or "F7" keys to increase screen brightness.


Hold down the power button for 10 seconds to turn off the laptop.
Remove the AC adapter from the computer, close the screen, and then turn the PC over.


Slide the battery latch to eject the battery. Pull the battery out of its compartment.


Turn the computer back over, open the lid, and insert the edge of a flathead screwdriver or other flat, solid object beneath the bezel above the keyboard.


Wedge the edge of the keyboard bezel off of the top cover.
Work your way along the edge of the keyboard bezel to loosen it.
Pull the bezel off the laptop.


Trace the cable coming from the laptop screen to the connector found beneath the bezel. Reconnect the display cable to the motherboard if the cable has come loose from the connector.

Line up the tabs on the bezel with the slots along the top of the keyboard. Insert the right edge of the bezel into the gap above the keyboard, and then push the bezel back in place.


Turn the computer back on. If the laptop screen is still blacked out, connect an external monitor to the video port on the side of the PC to confirm that the video card isn't defective.

If the external monitor works, the LCD screen could be broken.

If the monitor doesn't work, the motherboard or video card might need to be replaced.


Hope this helps





Nov 24, 2012 | MSI P45 Neo3-FR (MS-7514-010) Motherboard

1 Answer

My H P wireless mouse blue light light is flashing and wont move the cusor it just stoped


a flashing light , if located on the top of a wireless mouse indicates that the battery is low and needs replaced. the other possability may be it lost its connection with the usb fob and you need to press the connect button located on the bottom of the device.

Nov 29, 2010 | HP Wireless Optical Mouse

1 Answer

Pointer Mouse froze in the middle of the screen Please help i cant get it to move so i cant use the Computer Thank you Very Much . Bill


if there is a light above the touchpad it should be blue if it is orange it is turned off push the button by the light it will go blue and the mouse will work.

Jun 14, 2010 | Toshiba Satellite M35X-S161 Notebook

2 Answers

I HAVE A NEXXTECH MODEL;NWKBMCB . WIRELESS MOUSE. I DONT HAVE A DISC WHAT DO I DO?


This will help you in your problem. 1. Turn on your pc 2. Installed the Mouse Driver on your system pc. (NOTE! if it has a CD or DVD Disk included on it ). (But if the product don't have a CD or DVD disk, you can proceed to the 3rd step.3. Plug the receiver to the USB port on your system unit.
4. Plug the battery to the mouse. (follow the instruction for the the battery. cause it contain + sign and - negative sign.
5. After doing the procedure from 1 to 4.
6. Restart your PC (cause some of the system unit need to be restart the system in order to recognize the fresh hardware plug on it).
7. Your Done
Good luck and i hope this steps will help you in your problem God bless.

Apr 07, 2010 | NexxTech NWOMMI Mouse

2 Answers

The screen is turning light blue along the edges


Sorry, but its wearing out so soon,,, I have a similar one that turned green in the right top corner which was temp solved by not having all my accessories that were plugged in turned on at the same time,,, but after a few months the green became permit and the tv stopped functioning. Hope a solution comes your way, but to start looking for a new one as repairs are = and or more than a new television. Good Luck Rkaler24

Mar 18, 2010 | Sony Grand WEGA KDF-60WF655 60" Rear...

1 Answer

The red laser pointer underneath the mouse isn't coming on? put new batteries in and the receiver is showing the green light once plugged into my laptop.


I doubt the problem is the battery. I have this same mouse and it has worked beautifully for two years now EXCEPT for one problem: most of the time, the mouse does not turn on when the receiver is removed from the receptacle on the bottom of the mouse. There is a tiny little switch built into that receptacle, along the side wall of the receptacle not far from the light. I have to wiggle this little switch (gently!) by hand a few times until the light comes on. From that point, the mouse will work fine until the receiver is placed back in the receptacle.

Dec 07, 2009 | Microsoft Wireless Notebook Optical Mouse...

4 Answers

I have a new Technika wireless desktp mouse model H16BC1. I plug it into a USB port and switch on the PC but it does not work. Red light on the mouse is on, and blue light on the USB connection. Please...


IT DOES NOT COME WITH A DRIVER! Plug USB sevice in and press tiny restart button by blue light, turn mouse over and also press restart button and mouse works fine

Nov 18, 2009 | Computers & Internet

8 Answers

My new Nexxtech NWOMMI cordless mouse is not working


Here is what I found about the Nexxtech Notebook Wireless Mouse (NWOMMI):

1. The 2 AAA batteries must be inserted correctly. Look carefully at the "+" and "-" marking on top of the battery compartment and put your batteries in accordingly. Otherwise the mouse will not work, and could be damaged. After the batteries are inserted, the red light at the bottom of the mouse should come on. More on batteries below.
2. Insert the USB receiver into a USB port. The blue light should come on. Press the little button next to the blue light and the light should start to blink,
3. Whild the blue light is blinking, press the connect button at the bottom of the mouse. It is the big black dot inside the white label. Check that the blue light on the receiver is blinking faster, and then change to a steady light.
4. Now check the function of the mouse by moving it on a texture surface.
5. If all goes well, your mouse should be working.

However, here is the bad news. Either due to bad design or some flaw in manufacturing, the mouse consume batteries like crazy. I used fully charge NiMH AAA batteries and they last for only a few hours! And the worst part is that, I checked the batteries when the mouse stop working, ONE of the batteries is COMPLETELY drained, in fact it registered a reverse voltage of -0.1 volts (a charged values is +1.2 volts). This is definitely engineering problem. Note that even when the batteries are in this state, the red light may still come on, and sometimes the re-connection seems to be ok (i.e. the blue light blink faster and then changed to steady). However, the cursor will not work when you move the mouse! Recharging the batteries and the mouse will work again.

Based on the above observation, the mouse instead of having a power-saving feature, it actually has a power-wasting feature!!!

Nov 12, 2007 | NexxTech NWOMMI Mouse

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