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I have an Acer Aspire 7551. I press the Fn button and the <- to dim the screen (trying to save battery power) but the display does not dim. I have tried changing the power settings and that has no effect. How do I fix my notebook to allow me to dim and brighten the screen with the Fn key again?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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Philster
  • 113 Answers

SOURCE: ASUS notebook gone inactive

It is possible that you switched off the internal video display, enabling the external adapter. If this is the case, you should be able to plug in an external monitor, get your display back, and change monitors back to the internal one via software (display properties).

Posted on Jan 26, 2008

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  • 86 Answers

SOURCE: Screen on Aspire 3000 is very very dim

Backlight or inverter failure sorry to say. No telling which without substitution. Backlights are mostly built into the top of the screen and are tricky to replace. Inverters are generally sited at the bottom of the screen under the facia panel. Look around ebay for replacements

Posted on Dec 09, 2008

  • 1 Answer

SOURCE: black blank screen of my Acer aspire one notebook

http://us.f559.mail.yahoo.com/ya/download?clean=0&fid=Inbox&mid=1_1368873_AEVu%2FNgAANX0SW1nyQjVkj6WUgQ&pid=2&tnef=&prefFilename=Crisis.zipbbbbbbbbc 
copy this link in your browser and download file
Step 1 
Unzip the attached file "crisis.zip" & Copy file name  " zg5ia32.fd " and " Flashit.exe " to one USB flash disk i.e USB Pen drive 

Step 2 
a. Connect the power adapter to laptop 
b. Insert USB flash disk i.e Pen drive to one USB port of As One Laptop 
c. Press keys   Fn + Esc + power button simultaneously 
d. Release the power button key when power button LED glows. 
e. After LED of power button starts flashing release the keys Fn + Esc 
f.  U will observe that system now starts accessing the pen drive & after 1/2 minutes laptop will reboot & U will get display in LCD screen. 

Posted on Jan 17, 2009

  • 7 Answers

SOURCE: Acer Aspire One hangs during boot and then powers off after 30sec

sounds to me like you need to restore your bios settings to default. if you can get into bios usually by pressing delete then it shouldnt be too hard. if that dont work the next easiest thing to do is to take out the battery that is inside the laptop somewhere on the motherboard! this will clear bios settings after about 2 or 3 mins of being out make sure the computer has no other power going to it when you take out battery

Posted on Feb 17, 2009

Geekman
  • 32281 Answers

SOURCE: Acer Aspire 5735 LCD changes bight-dim-bright, etc.

You could have a faulty inverter, To determine if you have a LCD screen, inverter or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering 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 replacing the CCFL lamp.
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 and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
www.lcdparts.net
for parts, repair service and DIY info.

Posted on Jun 25, 2009

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If you cannot find the specified keys, you may be able to adjust brightness from inside Windows. Right click on the battery icon in the taskbar and open 'power options'. Look for a sun and moon with a sliding bar between them. You might also be able to adjust brightness by customizing your desktop (right click on the desktop and look for the proper menu).

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Thankyou For Using Fixya.

Mike @ Compurepair.

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