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rubym14
What's DOS?
Posts: 1
Registered: ‎03-20-2018
Location: US
Views: 144
Message 1 of 2

Yoga 2.11 Logging out & can't adjust brightness

For months now my laptop has been logging me out after I just logged in to use it. Once I log back in after this I find that I can't adjust my brightness in any way. Whether it be through the device settings or by using the brightness F keys. There is also a strange square that shows up that often changes colors and location on my screen (2nd image). When i go into the device manager this is what I see (an indicator that something is wrong with the display adapters): 

problem with laptop.PNG

IMG_0950.JPG

I have tried uninstalling the Intel(R) HD Graphics Family and re-installing it and that fixes the problem temporarily, but when I shut off my computer and go to use it the next time the same problem persists. I've gone into the Lenovo Vantage and run Health and Support tests, but it doesn't detect anything. I've downloaded updates recommended for my system and nothing seems to work. This problem is really starting to irritate me and I would like to try and fix it before investing in a new laptop. This laptop is only 4 or 5 years old. I would greatly appreciate any other tips or advice!

Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 111
Message 2 of 2

Re: Yoga 2.11 Logging out & can't adjust brightness

Hello Rubym14

Thanks for using the Lenovo forums.


Try running an LSC scan, see if this is able to find anything for you:

1. Please click on the following link

2. Under the section ‘Download’ select the relevant Hyperlink dependant on whether your Lenovo is running Windows 7/8/8.1 32 bit or 64 bit.(Will work on Win10)
3. When prompted, select save and browse to a drive and directory in which to save the downloaded files.
4. Navigate to the folder where you saved the installation file, lscsetup_x86_26001.exe.
5. Double-click the installation file icon to start the installation.
6. Follow the onscreen instructions via the installation wizard that will install Lenovo Solution Centre on your system.
7. Once installed you will have a ‘Lenovo Solution Centre’ icon on your desktop please click to open this.
8. Once solution center is opened please select ‘Checkup’ then ‘Hardware Scan’ and ‘Full Scan’
9. This will take up to 20 minutes, see if this can find any errors.

 

 

If that doesn`t help or find anything, you could perform a factory reset, this will rule out any software issue with the unit.

Note: Please back up all your data as running this reset will delete any data on your machine

1. Turn the machine off and press the recovery button which is located usually next to the power button. On a desktop machine you will need to power the machine back on and keep tapping the F2 key.
2. Use the arrow keys and press enter on system recovery. ( Desktop users can skip this)
3. Select “restore from the initial backup” and then “Next”.
4. Click “start” and accept the warning messages.
Length of time can vary depending on the speed of the machine.

Hope this helps, let us know how you get on.


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