Lenovo ThinkPad T440 three time beep with blinking light and no display to Fix Solution - YouTube
Easy Fix Easy Fix Lenovo Laptop Flashing Power Light Will Not Power Up - Disassembly - YouTube
Status indicators - ThinkPad T420, T420i
Laptop wont turn on ive tried holding for 10 seconds and it still wont turn on it only shows an orange light blinking 3 times every time i press the power button :
Lenovo Notebook Battery - Newegg.com
The charging light flashes orange for a few minutes after I plug my ch - Lenovo IdeaPad 110-15IBR - iFixit