This solution tested and work for some HP model such as HP 2000 xxxx series.ġ. Go to HP software and download, download the latest BIOS and update your BIOS. Try the brightness key after installation finish. Plug in Your Microsoft Curve Keyboard, make sure you are connected to the Internet, let it search, download and install the drivers. I don’t have an Acer Aspire to try those hardware brightness keys myself, but I am sure others on here do. Try to plug and unplug the power chord ( you will see the LED dim) and try to adjust the brightness.ħ. On my laptop (Not Acer Aspire) you have to press Fn+F6 and Fn+F7 to adjust brightness.
If you installed this software from Intel Website, Uninstall it. Restart normally using the start - restart. Turn on the laptop until you are logged in.Ĥ. Remove the battery for 4 minutes and put it back.ģ.
Press Power Button until your notebook shutdown (Force Shutdown).Ģ. I don't know what we should call this process, but it is similar to resetting your BIOS.ġ. (for Intel graphic version 8.2 is recommended). For HP15 (Intel model) go to Intel website and let it detect the latest driver for your notebook. For DM4, you need to install the Latest catalayst from AMD website. you can obtain the graphic driver from the HP website or from the manufacturer website. One of the solution especially for HP 15 and HP DM4 is to update the graphic drivers. HP 15 Notebook and HP DM4Notebook - Update Graphic Driver: Right click on it and select Enable, if there are no "Enable" option and you only see disable, your monitor is not the problem.ģ. Select that option, save your changes, then exit the BIOS utility and reboot the computer.ħ – After Windows has finished loading, try adjusting the screen brightness again.IF your Monitor already show GenericPNP. Note: The key to press in order to enter Setup might be different on your particular model.Ħ – Once the Bios Settings screen has loaded, search the sub-menus for an option to reset the BIOS settings back to the factory defaults. If the brightness controls on your Toshiba laptop are non-responsive, the procedure described below will most likely fix it:ġ – Shut down the laptop and unplug all cables and external adapters, including the AC power adapter.Ģ – Shut the lid, turn the laptop over onto its back, then remove the battery.ģ – Turn the laptop back over, then press and hold the power button for a full 15 seconds.Ĥ – Turn the laptop over again, then reconnect the battery and AC power adapter, in that order.ĥ – Press and release the power button, then begin tapping the F2 key until the Setup utility loads. I have worked on several Toshiba laptops recently that seem to share a common problem: The function keys that lower and increase the screen brightness (usually Fn+ F6 and Fn+ F7) have stopped responding.
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