Error boot sequence will be taken if no selection is made

[arputha]

Hello,
sir i have one problem my lenova pc
error boot sequence will be taken if no selection is made
and pc is like showing sir
can you any help me
what to do sir

 

[hedwar2011]

When does this come up? After rebooting or after it is already booted up?

Has anything different been added or removed since the problem started?