Question about Acer Aspire 5745-5425 Notebook
Both the functional keys and the control panel brightness is not working. I cannot increase or decrease the brightness.
Posted by Anonymous on
Could be what they call the inverter shutting down,it is behind your laptop screen.or your screen.
Posted on Apr 05, 2015
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Posted on Jan 02, 2017
try to install luanch manager. you can download it from acer website.
Posted on Sep 26, 2008
if you take a hard look at your laptop you'll probably find a key that to disable keyboard that with fn will do it
what type of laptop and model
also check in control panel mouse then device settings see if you disabled in there
Posted on Feb 02, 2009
More than likely your back light is burnt out or the inverter is bad, if you hear a high pitched whine it is the inverter and you can order a replacement online.
Posted on Mar 09, 2009
if you have a system restore disk, restore the settings back to the factory presets. XP System restore could help you, but the restore disk is usually the end result
Posted on Sep 08, 2009
Tips for a great answer:
Acer Aspire one
Brightness is controlled by the Fn and arrow keys.
Contrast can be controlled from the software.
FN key, + left/right arrow key's
Log on to your Acer laptop and click on the "Start" button. Choose "Control Panel" from the menu.
Double-click on the "Display" icon in "Control Panel" and select the "Settings" tab.
Check the "Color Quality" settings and make sure they are set to either medium or high.
The high setting will give you better color quality and contrast, but it will also use more system resources and shorten battery life.
If you are operating on battery power you may want to move the setting to medium.
Hold down the "Fn" key and press the right arrow at the same time.
This key combination will increase the brightness of your screen.
To decrease the brightness and contrast, hold the "Fn" key down and press the left arrow. Continue using these key combinations until you have found the optimal setting for your laptop display.
hope this helps
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These are the Function keys
<Fn> + <↑> Volume up Increases the sound volume.
<Fn> + <↓> Volume down Decreases the sound volume.
<Fn> + <→> Brightness up Increases the screen brightness.
<Fn> + <←> Brightness down Decreases the screen brightness.
Nov 09, 2010 | Acer Aspire 5100 Notebook
Apr 01, 2010 | Acer Aspire One PC Notebook
Dec 11, 2012 | Acer Aspire 5745-5425 Notebook
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