Question about Alienware PC Systems Computers & Internet
I managed to turn the backlights off on my Alienware PC. I would like to turn them back on.
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Posted on Jan 02, 2017
SOURCE: Backlight of LCD turns off
For latitude systems they have this ambient light sensor. it basically adjusts the brightness of the screen depening on room lighting. try to go to bios by hitting F2 on the dell logo. go to video and try to look for ambient light sensor. however, im not sure if your computer has that feature I have a second option for you though. based on the troubleshooting you've done, it seems that the video back lighting is affected by movement. it would be a good try to reseat the LCD cable. you can use this link to guide you in fixing the computer : http://support.dell.com/support/edocs/systems/latd505/sm/keyboard.htm
all you need to do is to take out the keyboard with 2 screw holding it in place. the LCD cable should then be accessible. it a thick cable that coming out of the Left hinge.
Hope this helps.
Posted on Dec 25, 2007
What do you mean exactly?
To increase or decrease the backlight brightness use Fn-key(next to left Ctrl-key) with up and down arrows.
There is not some key-combination to turn off the screen, you can make your computer turn it off after some time (if you're using XP this can be done in control panel->Power options), or just close the lid :)
Posted on Mar 25, 2008
SOURCE: Backlight wont stay on
The inverter board which provides the backlight power isn't working properly. This is a pretty common problem with LCD screens. The inverter is in the display, mounted under the display panel. It's a fairly simple job to replace the inverter. You have to remove the screws holding the front of the display to the back and separate the pieces. The inverter is held in place by a couple of screws and has a couple of cables connecting it to the main board and display panel. Unplug those, remove the inverter, mount the replacement and plug the cables back in. Then reassemble the display. A search on Google for "acer 5315 inverter" turned up several sources for the replacement part. Here is one. I don't know anything about this seller; I just picked it as an example.
Posted on May 19, 2009
No i'm sorry but that model has no keyboard backlight. If you wanted one which did have a backlight you would have to purchase a customised one.
Posted on Apr 12, 2010
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