Can't adjust screen brightness
Did you reduce the brightness in windows settings?
keep the brightness to max low level...while doing nothing happens.
but if you use keys after doing so the brightness will change.
Update Device Drivers
SOURCE: Lenovo S series ideapad will find my dlink router no network addr
Generally if you can see the D-Link then everything is trying to talk. Would have to know if the d-link is new out of the box or is part of an existing setup. If the d-link has been part of the network I would suggest that you don't have the security settings correct. If you right click on the network icon and look at the send received numbers. If received is zero then your problem is you don't have the security key (WEP or other type)) setup. If you are getting recieved numbers you may not have the DHCP setup in the d-link. DHCP assigns the numbers to the computer but the d-link has to have this turned on in some models others it is by default.
If both your laptop and dlink are not new and specifically about a year old then I would also suspect that the dlink has died or is dieing on you. If you have had periods of disconnects or slow jerky network acess then these are signs of the dlink having problems. The wireless part tends to go after a year or so while the wired portion probably still works. When they go they are annoying as they work then they won't and so on.
That is you next step to try is to plug in your laptop direct to the wired connection on the dlink to test if the problem is the wifi portion of the dlink. If it connects your problem is the wifi and you probably will have to replace the unit. Next plug it into the cable modem and see if the problem was in the dlink itself.
SOURCE: Lenovo IdeaPad Y530 - 40512SU screen is dark
Have you installed the Lenovo EnergyCut drivers? Without it, laptop may not work properly and turns extra hot. Try letting it cool down before you try again.
SOURCE: Lenovo Ideapad- screen has begun
The screen control board coudl be goign bad. The heatsheild in the screen could be the cause. The cable that sends the signals to the screen could be bad. The graphic chip could be overheating or could be starting to detatch from the motherboard.This is not something you should look at yourself. It is best to be taken to a technician.
SOURCE: Lenovo G480 cant adjust screen brightness! please help
On AC or Battery? As I'm sure you know, your Laptop will dim the Display on Battery to save power. In Windows 7, Open the Control Panel, select Power Options, select High Performance, select Change Plan settings, set Display time, set Sleep and Hibernate to Never, select Change Advanced Power settings, scroll through each one by one and adjust. OR right click a open spot on the Desktop, select Personalize, left bottom select Display. adjust to your preference.
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