Question about HP Pavilion dv4000 Notebook

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How to adjust the brightness on a HP Pavilion dv4000 laptop scree

I have tried the function/arrows and this doesnt work. I have no instructions for this computer. HP website didn't have the answer either. It is a HP Pavilion dv4000 laptop.

Any help would be very appreciated :)


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  • gsgs75 Jan 20, 2009

    Thank you, it worked. The screen just isnt that bright of a screen,plus I'm in a very sun lite room

    Best Regards,


  • Anonymous Mar 17, 2014

    cannot adjust screen brightness of hp pavilion dv4


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  • 41 Answers

Its usually the Fn key (bottom left) and a function key on the top line like F1 to F12 the brightness is the picture of the sun. I couldnt find any specific information on your model but most HP's are the same.

Posted on Jan 20, 2009

  • tariqjameel
    tariqjameel Jan 09, 2012

    it is Fn & F7 to dim the light & Fn & F8 to brighten the light


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Function key and esc are not working

Maybe your screen is already set to the brightest it can be. Does trying to make the screen dimmer work ? (on my HP laptop f3 increases the brightness, f2 decreases it. But perhaps the actual brightness is not really the problem, there are other settings to adjust the visibility of your screen, for example contrast. I don't know how these can be altered on your model, how you do this is probably different to how it is done on my laptop. If you still experience problems, seek solutions by searching the internet, or one of the many computer forums, especially for you the HP community forum accessible through the hp website,


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How do I turn down brightness on my hp Windows 7 computer?


Below are instructions to adjust brightness on HP laptop

    • Press the "Fn" key with the computer turned on and hold the key.

    • Press the "F7" or "F8" key on some HP laptops, which are printed with a small sun icon on the key. The sun icon is filled on the function key for dimming the laptop. The other key is printed with a hollow sun icon for brightening the screen.

    • Press the "Fn" and left arrow keys together on some HP laptops to turn down the brightness. The "Fn" and right arrow key will increase brightness. Press and release the right arrow key repeatedly, while holding down "Fn," to decrease the screen brightness slowly, or hold the keys to darken the screen as low as the setting will go.

  1. For HP Monitors

    • Press and hold the down arrow key on the front panel of the monitor below the screen to turn down the brightness on the external monitor to the lowest setting.

    • Repeatedly press the down arrow button to dim the monitor gradually.

    • Press the up arrow key on the monitor to increase brightness.


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1 Answer

When someone is trying to send a fax to me it just rings, and won't receive the fax HP OfficeJet 6110 All-In-One InkJet Printer

The auto answer function is not turned on. Here's how to do it ! Note the right arrow looks like > NOTE: The default Rings to Answer setting is 5 rings.
  1. Make sure Auto Answer is set to On .
    1. Press the Setup button (c01361401.gif ) on the control panel of the product.
    2. Press the right arrow button (c01185072.jpg ) to select Fax Settings , and then press OK .
    3. Press the right arrow button (c01185072.jpg ) to select Answer Options , and then press OK .
    4. Press the right arrow button (c01185072.jpg ) to select Auto Answer , and then press OK .
    5. Press the right arrow button (c01185072.jpg ) to select On , and then press OK .
    6. Press the Cancel button (c01235250.gif ) to return to the main menu.

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How do I set the date and time and my hp passed all the fax tests but I do not receive faxes.


Follow the instructions below to set date and time on printer

Setting the date and time on an HP All-in-One Follow these steps to set the date and time from the control panel.
  1. Press Setup .
  2. Use the right arrow button (c00377082.gif ) to highlight Tools , and then press the OK button.
  3. Select Date and Time from the Tools menu and then press the OK button.
  4. Enter the month, day, and year by pressing the appropriate numbers on the keypad. After the date is entered, the Enter Time screen displays.
  5. Enter the hours and minutes by pressing the appropriate numbers on the keypad. After the time is entered, the Tools menu displays.
  6. Press the Back button to return to the main menu.
Follow the steps to solve "Unable to Recieve Fax" Issue
Basic requirement are..
1. Rings to answer should be 2 rings greater than your Answering machine rings or Voice mail ( set it to 6 instead )
2. Auto Answer should be on
3. Turn off ECM ( Error Correction Mode )

Use these steps to change the Rings to Answer setting.
  1. On the product control panel, press the setup button (c01661990.gif ).
  2. Use the right arrow key (c01661991.jpg ) to select Basic Fax Setup and then press the OK button (c01335940.jpg ).
  3. Use the right arrow key (c01661991.jpg ) to select Rings to Answer and then press the OK button (c01335940.jpg ).
  4. Use the right arrow key (c01661991.jpg ) to select the desired number of rings and then press the OK button (c01335940.jpg ).
Make sure that the Auto Answer feature is turned on When the Auto Answer feature is on, the HP fax product automatically answers incoming fax calls. When off, the HP fax product does not answer any incoming fax calls. To turn on the Auto Answer feature, follow these steps.
  1. Press Auto Answer on the product control panel. When the Auto Answer button is lit, the feature is turned on.
  2. Try to receive a fax.
Make sure that ECM is Turned Off ( Error Correction Mode )
  1. On the product control panel, press the setup button (c01661990.gif ).
  2. Use the right arrow key (c01661991.jpg ) to select Advanced Fax Setup , and then press the OK button (c01335940.jpg ).
  3. Use the right arrow key (c01661991.jpg ) to select ECM , and then press the OK button (c01335940.jpg ).
  4. Use the right arrow key (c01661991.jpg ) to select Off , and then press the OK button (c01335940.jpg ).
Try to Receive Fax Now.

These steps should resolve the issue and you should be able to receive fax

Thank you for contacting FixYa Team

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I have a HP a0310n desktop. I is rebooting in a

Well you can try in safe mode with command prompt and than

To start System Restore using the Command prompt, follow these steps:
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  2. Use the arrow keys to select the Safe mode with a Command prompt option.
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if your usb port is not recognized by your computer anything you want to install in your usb will not function,try to check your usb on device maneger and updated your driver through website,
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1 Answer

Got new hp elite m9402f computer but new hp fax doesnt answer

hi there,

initially you have to check and correct this few settings.

To receive a fax manually

1. Make sure the device is turned on and you have paper loaded in the main tray.

2. Remove any originals from the document feeder tray.

3. Set the Rings to Answer setting to a high number to allow you to answer the
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4. If you are currently on the phone with the sender, instruct the sender to press Start on their fax machine.

5. When you hear fax tones from a sending fax machine, do the following:

a. Press the left arrow or the right arrow to select Fax B&W or Color fax.
b. Press Start.
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Hope this initial info helps you.


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