Question about HP EliteBook 2530p Notebook
How to increase or decrease brightness of screen through touch buttons
Keep holding the FN button, and along with that click brightness button
Posted on Apr 01, 2014
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Posted on Jan 02, 2017
SOURCE: problem with laptop compaq 6720
this function usually requires software to be installed for it to work.... Certainly is in the case of toshiba laptops.
Posted on Jan 07, 2009
Take off the plastic strip above the keyboard, as if to replace keyboard. You will see 2 small wires running from the volume control strip to the left. Make sure they are properly plugged in, and that neither is touching the foil used to ground the laptop. Replace the strip. I have had this on 2 HP laptops, and in both instances it was making contact.
Posted on Sep 03, 2009
You may have a defective CCFL backlight, it may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickers on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replace the CCFL lamp.
To determine if the video card or the LCD is faulty, connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight. It could be a faulty inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out; usually the CCFL lamp fails before the inverter.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: -
Posted on Oct 30, 2009
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