Question Several lights are annoying me

[buenoaversi]

Hi everyone, im starting to get annoyed while trying to sleep cause there are now 2 lights related to the pc that are annoying me. Any help for any of them would be really appreciated.
First my rgb mousepad has usb connection directly to a usb port on my pc, the problem is when i turn off my computer, it keeps on shining (titanwolf mousepad).
The other one is my screen, when the pc is off, like once per five minutes it shows a white screen that states "no signal", and it can be pretty anoying as it shows many times a night.
Any help would be really appreciated thank you all

 

[helpstar]

which screen is it?
power off the system including monitor
check bios of motherboard for usb off while system off

 

[buenoaversi]

which screen is it?
power off the system including monitor
check bios of motherboard for usb off while system off

xg2075 and my graphic card is a radeon 5500 XT, i'll try the BIOS thing now it should work yeah ty

 

[punkncat]

Some manufacturers call that (USB on) feature by various names. Look in your motherboard literature and make sure they have a listing for it.

Not for nothing, set the TV for a sleep mode, if it has it and use that. For the mouse, throw a ball cap (etc.) over it when you are finished using for the night.