Question about HP Compaq Presario CQ70-120US Laptop

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Dim laptop screen - HP Compaq Presario CQ70-120US Laptop

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Hi

Usually somewhere on your keyboard there should be some keys with a light bulb on it where you
can make dimmer or brighter

Posted on Nov 13, 2010

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Please refer to the following article for a detailed diagnosis of your laptop's problem & a description of how to fix it:
Troubleshooting Laptop Power Failures - Faint Image on Screen

Posted on Nov 13, 2010

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1 Answer

Dim light on lcd screen


Either you have a power setting on that has the screen dimmed, or it's dimmed manually, or your laptop inverter is in the process of failing.

Sep 24, 2011 | IBM ThinkPad T43 Notebook

2 Answers

MY Laptop Screen Is Dim It Will Not Show Bright


When you say that your laptop "screen is dim", do you mean that there is no light coming from your screen, but you can see images on it? or do you mean that there is light coming from the screen, just a very little amount?

If you can images, but NO light is coming from the screen, then the LCD backlight is dead, and it needs to be replaced.

If there is light coming from the screen, but it's very dim, then you'll need to find the screen brightness adjustment keys on your laptop. This is usually two keys. The first one is normally in the lower left corner of your laptop and should be a different color - like blue or purple, and will be labeled something like "Fn". The second key is normally in the function key row (F1, F2, F3, etc...) and has a symbol on it that looks like a sun or burst of light with an arrow. There's usually one for "brightness UP" and one for "brightness DOWN". Hold down the Fn key, and then press the "Brightness UP" key a few times to see if the screen brightens up. Good luck.

Jan 14, 2010 | HP Pavilion dv1000 Notebook

1 Answer

My screen is dim. What causes this?


Most likely your settings.

In most cases, the LCD is dim when not plugged into an outlet to save energy. (It can make the laptop stay on an hour longer in some cases)

If you want to brighten the screen, and kill your battery time in the process, hold down the FN (function key) and press the button with a picture of a sun and a arrow pointing up. (both pictures should be light blue on your keys)

If you don't mind the dimness of your LCD, leave it alone. The brightness will return when you plug your laptop into an outlet.

Jan 08, 2010 | Dell Inspiron 9400 Notebook

1 Answer

Screen is dimly light


If the screen light dim with battery power your laptop, well, this is how the laptop is designed for power saving, unfortunately.

The screen will be more bright when you connect with the AC power :-)

Dec 16, 2009 | Toshiba Qosmio F25-AV205 Notebook

2 Answers

I have a Dell laptop D505. The laptop powers up but the screen display is very dim. I can't see the image on the monitor. I've tried to manually increase the color/brightness button and nothing changes. ...


Sounds like your inverter or your backlight is failing. The inverter is an easy repair, the backlight can be replaced but it involves taking the LCD panel apart, The backlight comes installed on new screens. I can include a service manual below and possibly a generic guide to backlight replacement....

http://support.dell.com/support/edocs/systems/latd505/sm/display.htm#1052500

http://www.laptoprepair101.com/laptop/2007/01/31/replace-screen-inverter-fix-backlight/

Sep 23, 2009 | Dell Latitude D505 Notebook

1 Answer

Dim Screen when Power is Unpluged


If you see a very dim image or black screen or flicking image on the LCD screen it means you have a backlight problem.

Connect an external monitor to your laptop and power it up, 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.

Mar 27, 2009 | Dell XPS M1330 Notebook

1 Answer

Dim Screen


A very dim screen is an indicator that the screen inverter or the screen itself is going out. Start by checking the screen connections, they sometimes work loose. If the connections are good, then it's the inverter or screen and will need to be replaced.

Jun 26, 2008 | IBM ThinkPad A21m 2628 Notebook

2 Answers

Dim screen


A New Backlight, or new bulbs for your backlight..

Jun 09, 2008 | HP Pavilion dv2000t 14.1" Notebook Laptop...

1 Answer

Screen is dim


Try looking for a function key (usually used by holding down the Fn key and then pressing one of the "F" key at the top) the key will be marked with a brightness indicator.

Is your screen only dim when running off the battery is it dim when running when the charger is plugged in as well. If it is only dim when the laptop is running on battery then this may be caused by a setting in Power Options which is located in Control Panel (that is if your running Windows). In Power Options look for settings about running on AC Power and running on Battery power.

Jan 07, 2008 | Dell Inspiron 8500 Notebook

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