Question about Compaq Presario Notebook

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Regularly adjust screen brightness & now function F5 not working

Now my function key is not activating any of my "blue" keys. I accidentally hit shift 5 times, but I believe I did not activate sticky keys, but don't know what I did to deactivate my function key. Also, is there another way to access& adjust that "brightness bar" on the screen besides the function F5?

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  • RescueTechLA
    RescueTechLA May 11, 2010

    What's the exact model of your laptop?

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Posted on Mar 15, 2009

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Im holding the Fn and f5 key to brighten my screen but its not working


The icon colours should match ...usually blue and you have to tap the brightness up button repeatedly as it is incremental.point worth noting.if the power supply is not connected the battery save option can disable the brightness of screen to stretch out the life of battery between charges.

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OK, you are part right. The Fn key on most laptops is written in BLUE. This corresponds to the BLUE legends on various keys on the keyboard. MOST laptops have a pair of generic symbols for the screen brightness up and down . The brightness UP is a blue square (rectangle) with a large asterisk inside. The brightness DOWN is the same except it has a small asterisk inside. You will usually find these two keys as a secondary function of a function key.

Example: On my ACER netbook Fn+F6 = brightness UP and Fn+F5 = brightness DOWN

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You state to hold the fn, and hit the power button.....OK, whats the ( fn ) key ?


The Fn key is a key found usually on the keyboards of portable computers (laptops, netbooks etc) and sometimes on desktop type keyboards.

It is a key usually marked with a blue coloured "Fn" and is located somewhere on the bottom left row of keys.

The Fn key is used in combination with other keys that have (usually) blue letters or icons on them to activate the special functions (Fn) on these keys.

For example, on the laptop I'm writing this on; If I press F5 the computer would perform the action my software has normally assigned to F5. If however I press the Fn button and F5, the computers internal function for decreasing screen brightness is invoked.

Different computer makes have different assignment to their keyboard Fn so you can't generally say press Fn+F5 to decrease screen brightness, it might be assigned to something else, volume or sleep-mode or even nothing. The "blue" text or icon will give an indication of what it will do.

Hope this helps explain the Fn key ;)

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using the blue Fn key(usually on bottom left to side of space bar)..look at Funtion keys on top, under the screen. One of them(F5 or F8) will have a blue sun image or a monitor image to increase or decrease the brightness. press the Fn key first, then the one that increases brightness until it's good .

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this is not a computer problem you have to press the buttons on your monitor that is a menu when the menu comes up change the brightness

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ok bottom left hand side of keyboard there is a key with fn on it hold this down along with other blue keys that have like little suns on them this is your brightness keys

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The screen on our Dell Inspiron 1545 is darker than normal. It looks like it does when it is running on just the battery. How do we lighten it back up?


Actually it's the F5 key which also has a symbol of the sun on it and arrow pointing upward. Press the blue Fn key located at the bottom row, 2nd from the left and the F5 key together to increase brightness or the F4 key to decrease the brightness (it has an arrow pointing downward). Easy, eh?

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Usually most laptops has blue/white function keys top on keyboard they can be used together with Fn button that is left bottom side of keyboard. For example on my laptop with F4 and F5 together with Fn can adjust brightness.

Best wishes,
Chillimar

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hit and hold the fn button and adjust the brightness with the right arrow. krakkerjack

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