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Windows 7: Num Lock, Caps Lock and Scroll Lock all lights up (not blinking)

26 Sep 2014   #1

MS Windows 7 Home Premium 64-bit
Num Lock, Caps Lock and Scroll Lock all lights up (not blinking)

For some time now, i have been experiencing that my Num Lock, Caps Lock and Scroll Lock all lights up (not blinking) all at the same time, I tried to google it but i can not find any solutions or explanations for it.

Does anyone know if it is bad? and what is causing this?

I am having a wired keyboard with nothing fancy just a standard issue Logitech keyboard.

My System SpecsSystem Spec
26 Sep 2014   #2

Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP

Can you toggle those functions off, one at a time? Sometimes restarting the computer will use the last state it was in, I'd fully shut down and pull the power cord from the computer and the keyboard cable then put them back and try again.
My System SpecsSystem Spec
27 Sep 2014   #3

MS Windows 7 Home Premium 64-bit

yea I can, right after posting this my keyboard "lit up" and when i hit one of the "lock" keys they all turn off again, after a while (3 mins or so) my keyboard stopped responding, so i turned off the pc, pulled the cable to my keyboard (its PS2 btw). then i took a brand new tooth brush and started brushing the socket on the cable, now its working again.

but I reckon this happening before, so i was thinking if those lights meant some kind of hardware faliure. ?
My System SpecsSystem Spec


 Num Lock, Caps Lock and Scroll Lock all lights up (not blinking)

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