You can also use an external Keyboard or replace it with a new one. If these methods have not worked on your Dell InspiLaptop then Contact the manufacturer if your Laptop is under Warranty period. Here is How to Factory Reset Dell InspiLaptops.

Hard reset will remove all the data from your Laptop. If any one of the above methods cannot resolve your problem then Hard Reset is the only option to get your Laptop in Factory state. Click on the Options button and make sure the keyboard is selected to the US. How to turn ON/OFF keyboard back-light for Dell Inspiron 5590 and Dell Inspiron 3593.Please find below link to find Dell Inspiron 5590 onlineAmazon : https:/.On the left side choose the Region & Language option and set it to English (United States).Click on the Start button and Select settings or type settings and press Enter.Right click on the option and select Update Driver. All you need to do is recap the method 2 where you have to go the Device Manager page and click on the keyboards category and select on the option. Download the latest Driver for your Dell InspiLaptop.If the solutions provided above cannot resolve your problem then you can try updating drivers. If your Dell InspiKeyboard is not working properly then updating drivers can fix your problem.If the keyboard driver is not working you can use On-screen Keyboard by clicking on the middle icon from the three provided on the right bottom of the lock screen in Windows 10.Restart your Laptop and then keyboard driver will be automatically installed on your Computer.When prompted choose Uninstall and press ok to continue.

Expand the “Keyboards” category then right click on the option and choose “Uninstall”.

If restarting doesn’t work you try the second method.Before beginning to any fix it is recommended to restart your computer as many problems (Hardware or Software) can be fixed instantly through a restart.Instructions to Fix Dell InspiKeyboard Not Working 1. Just follow the instructions provided on this page and you will get the results. Many users have complained about the Dell InspiKeyboard not working which can be fixed by the methods provided on this page.

Dell backlit keyboard not working