Blues Devotee

Looks like the OS is corrupted.. You may contact acer support to get recovery drive which helps to re-install the operating system.

There are multiple steps you can try to fix this.. Update the laptop graphic card drivers Make sure to disconnect the Nintendo switch while connecting with HDMI Check with another laptop using HDMI.

Disable unwanted startup programs and check the performance. Also, check this link for different troubleshooting steps that would resolve 100% disk usage.

Please update the Wi-Fi drivers to latest version. Download the updated drivers from acer drivers downloads page. Once installed restart the device for effect and check the performance. 

Yes.. for this model looks like there is Keyboard backlight cable.. please check and make sure it is connected.

I believe it depends.. if the damage happened due to misuse of the unit it may not but if it's due to product quality it might cover. For more information you can refer to acer inwarranty page https://www.acer.com/ac/en/US/content/standard-warranty. also, you can contact acer support in your region to the warranty…

Please contact the part partners for acer. They do sell the parts. https://us.answers.acer.com/app/answers/detail/a_id/5969/~/where-can-i-order-parts-or-accessories-for-my-computer%3F

What is the model number and also share the CPU usage details..

Have you tried to re-connect the KB cable... 

@DonR67 Hi as per the device model it does not show that this device comes with keyboard backlight. But if you were using it before and stopped working after adding new SSD then try this. Press Fn + F8 or try Fn + F9

Yeah you may try it

What is the latest windows update in your device. If your device is not updated then please update it and check the result.

Please share the exact model number like ex: SF714-51T-M4PV

Yes during the international warranty you can get free service done only in applicable countries.. Here is the link to find the list of countries that acer supports international warranty. Regarding the upgrades.. Only few countries support it. But if you are using the original parts that acer has given then the warranty…

Just tap on the password and check if it allows you to enter the password. If it does not then try resetting the device.

You may download the firmware from acer website under drivers and manuals. Copy it on to SD card and then try to install the operating system.

My bad.. Please try unplugging all the cables and hold the power button for 30-40 sec. Post that try Alt + F10 to reboot the device. 

Is this the method you tried https://us.answers.acer.com/app/answers/detail/a_id/29934/related/1

I dont think this to be BIOS related issue. Have you tried to reset your device. If you have create recovery media then follow these steps. If you have not create one then try this. Connect the bootable media and during the boot time keep pressing F12. This would allow you to pick the OS and reboot the OS.

take out the battery and disconnect the charger. Post that press and hold the power button for 30 sec ( without power cable or battery ). Once done, try Alt and F10 to reboot your device to factory defaults.