Compaq Presario R 4000 to dark when on battery only.
I checked power options and set to minimum battery. Also pressed f5 ( moon icon key) and arrow up key, nothing. Please help. HP tech support charges for any kind of help. I will never buy another HP product again.
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Yes, go to Start>Control panel>Power Options. There also should be a screen brightness key on your key board, that looks like a sun shining, with arrows pointing up & down. To use that key, hit the FN key, right next to the Ctrl key. Push & hold the FN key, while pushing the up arrow. That should increase the brightness of your display. Good luck.
Examine the keyboard. There should be a symbol on most of the function keys (F1, F2, etc.). Look for one that looks like a sun or lightbulb, either with an arrow pointing up or with the sun/lighbulb filled in. Hold the 'Fn' key, and tap the up/bright sun/lightbulb key a few times. The screen should increase in brightness.
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).
Greetings to brighten or darken the screen it would be using the FN key simultaneousness while pressing the icon key some are sunshine and half moon for dark look for the obvious key that looks like it would either be a light or dark symbol. Thanks for using FixYa! Do not forget to place a vote. John
On most laptops it a simple case of pressing two buttons together, usually th 'FN' or 'Function' Key and 'F5' (press fn first, hold down then press f5) Yours maybe slightly different and use a different F key ie F3.
on acer are the instruktions the fn key (blue) and also pressing arrow lef and richt for sound fn key and arrow up and down also availeble the fn key and f1 til f12 on the keys are marked wit blu icons also use nummeric pad with fn key and nummers on key pad
Is your computer setup to go to sleep when you close the lid?
Click on start -->control panel-->power options and then check the option that says choose what closing the lid does. You have to change this setting to 'do nothing' if you want the computer to stay on when you close the lid.
Sounds like the auto-dim in the BIOS is set too low. Fortunately the Compaq R3000 allows you to adjust the brightness right from the keyboard. Hold down the [FN] function key while tapping the [F8] key will brighten the screen, while [FN]-[F7] will dim it. The settings are different for running on AC power and battery, so you must do each individually.