Lenovo yoga screen brightness not working

LENOVO YOGA SCREEN BRIGHTNESS NOT WORKING UPDATE

of China Hungary India Indonesia Ireland Israel Italy Jamaica Japan Kuwait Latvia Lithuania Luxembourg Macao S.A.R. Anguilla Antigua and Barbuda Argentina Aruba Australia Austria Bahamas Bangladesh Barbados Belarus Belgium Bermuda Bolivia Brazil Bulgaria Canada Cayman Islands Chile China Mainland Colombia Costa Rica Croatia CuraГ§ao Cyprus Czech Republic Denmark Dominican Republic Ecuador Egypt El Salvador Estonia Finland France Germany Greece Grenada Guatemala Guyana Haiti Honduras Hong Kong S.A.R.The only way I can use my system is to put the command acpibacklightvendor into grub. of China Malaysia Mexico Mongolia Montserrat Morocco Nepal Netherlands New Zealand Nicaragua Nigeria Norway Oman Panama Paraguay Peru Philippines Poland Portugal Puerto Rico Qatar Romania Russian Federation Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Saudi Arabia Serbia Singapore Sint Maarten (Dutch part) Slovakia Slovenia South Africa South Korea Spain Sri Lanka Suriname Sweden Switzerland Taiwan Region Thailand Trinidad and Tobago Turkey Turks and Caicos Islands Ukraine United Arab Emirates United Kingdom United States of America Uruguay US Downloads Venezuela Vietnam Virgin Islands, British Brightness not working on Lenovo Yoga 11s On boot, the brightness is set to 00, which makes the display completely blank. Not only that, the brightness slider in Windows Mobility Center was also not working.

LENOVO YOGA SCREEN BRIGHTNESS NOT WORKING UPDATE

After the update was installed, I was unable to change the brightness using the keyboard hotkeys.

Anguilla Antigua and Barbuda Argentina Aruba Australia Austria Bahamas Bangladesh Barbados Belarus Belgium Bermuda Bolivia Brazil Bulgaria Canada Cayman Islands Chile China Mainland Colombia Costa Rica Croatia CuraГ§ao Cyprus Czech Republic Denmark Dominican Republic Ecuador Egypt El Salvador Estonia Finland France Germany Greece Grenada Guatemala Guyana Haiti Honduras Hong Kong S.A.R. Answer (1 of 13): I faced a similar issue on upgrading my HP laptop to Windows 10.

Lenovo yoga screen brightness not working