Lenovo ideapad p500 brightness control not working

If you are a Lenovo laptop user, you might have encountered a really annoying issue that the display of your lappeak went very dim. It happens normally after you accidentally push a wrong essential or you complete updating your operating mechanism. The brightness of your display screen becomes so low that it damages your eyes to watch points on the display screen.

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But even so, you don’t need to concern also a lot. Here are three methods that deserve to aid you make your display light up again:

1) Update graphics driver

2) Press brightness-up switch as soon as founding up

3) Modify Registry

1) Update graphics driver

In many cases, the culprit of dim lappeak display concern is the faulty graphics chauffeurs. You should update the graphics driver to the latest and also correct version. But if you don’t have actually time, patience or computer system abilities to resolve drivers (since it is incredibly tricky and time-consuming), we recommend you making use of Driver Easy.

Driver Easy will immediately identify your mechanism and also uncover the correct motorists for it. You don’t should understand specifically what system your computer system is running, you don’t must threat downloading and installing the wrong driver, and you don’t need to issue around making a mistake once installing.

You deserve to update your vehicle drivers instantly through either the FREE or the Pro variation of Driver Easy. But via the Pro version it takes just 2 clicks (and also you acquire complete support and also a 30-day money earlier guarantee):

a) Download and also install Driver Easy.

b) Run Driver Easy and also click Sdeserve to Now button. Driver Easy will then scan your computer and detect any type of difficulty drivers.


c) Click the Update switch alongside your graphics driver to immediately downfill the correct version of this driver (you can carry out this with the FREE version). Or click Upday All to automatically downfill and also install the correct variation of all the motorists that are absent or out of date on your system (this calls for the Pro version – you’ll be motivated to upgrade when you click Update All).


2) Press brightness-up key once starting up

This is one more rapid and easy yet reliable alternative to settle your dim lenovo laptop display screen.

a) Completely shut down your Lenovo lapoptimal.

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b) Press the power switch to begin up your laptop. In the meantime, push and also organize the brightness-up vital on the key-board, which is typically a attribute key (F1-F12).

c) After the start-up, you deserve to view the display of your Lenovo lappeak has been brightened up.

3) Modify Registry

You can likewise readjust a Registry value to solve your dim display screen issue. But please note that Registry editing and enhancing is exceptionally risky in that any misoperation have the right to bring about unsupposed after-effects. You must constantly be extremely careful around modifying regisattempt. Besides, it is additionally strongly recommended that you ago up your Registry before you go ahead to the actions listed below.

Please also note that you have to update your graphics driver before you percreate this approach.

a) Press Win and R secrets on your keyboard at the same time to open Run dialog. Then form “regedit” and also hit Enter. This will certainly open Registry Editor.


b) On Registry Editor, usage the registry hive on the left hand also side to navigate to the location “HKEY_LOCAL_MACHINESYSTEMControlSet001ControlClass4d36e968-e325-11ce-bfc1-08002be10318000” OR “HKEY_LOCAL_MACHINESYSTEMControlSet001ControlClass4d36e968-e325-11ce-bfc1-08002be10318001“.


c) Find FeatureTestControl and double click on it.


d) Change the worth information to “f048” and also then hit OK.

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e) After that, cshed the Registry Editor. Reboot your lapheight and see if the problem resolves.

If namong the techniques over gain your Lenovo lappeak display back to normal, you might must consider the dim display trouble as a hardware worry. You have the right to contact Lenovo official assistance and see if they deserve to offer any type of even more assistance.