Why has my laptop randomly shut down?

[abigeo]

Last month I bought a new Lenovo laptop. It's been working well but twice this month , once last week and again this morning, the laptop randomly shut down. Is this a problem or should I just leave it?

 

[Shane501]

Have you changed any settings or downloaded (installed) new software?

You just bought it so you haven't upgraded the CPU or RAM right?

 

[abigeo]

Yeah, I upgraded the Bios
No, I haven't upgraded the CPU or RAM

 

[Shane501]

Yeah, I upgraded the Bios
No, I haven't upgraded the CPU or RAM

What is your current BIOS?

What model is your laptop?

 

[abigeo]

Yeah, I upgraded the Bios
No, I haven't upgraded the CPU or RAM

What is your current BIOS?

What model is your laptop?

Currently my BIOS is 3.00

I'm using a Lenovo G505s

I bought it from here:
http://www.flipkart.com/lenovo-essential-g505s-59-380131-laptop-apu-quad-core-a10-4gb-1tb-win8-2gb-graph/p/itmdpfd9fgjbcrwd

 

[Shane501]

It say's "free DOS" what OS did you put on it, and how?

What exactly does it do before it crashes?

 

[Bolin]

It better isn't an incompatible BIOS

 

[Shane501]

It better isn't an incompatible BIOS

If it was the wrong BIOS it wouldn't POST at all.

Do you know what your motherboard is?

 

[Boyling460]

What are you doing when it shuts down?

 

[abigeo]

It say's "free DOS" what OS did you put on it, and how?

What exactly does it do before it crashes?

It came with Windows. It didn't say DOS.

 

[abigeo]

It better isn't an incompatible BIOS

If it was the wrong BIOS it wouldn't POST at all.

Do you know what your motherboard is?

On CMD it says its name is 2055

 

[abigeo]

What are you doing when it shuts down?

Nothing. It's only happened twice so I wasn't too worried.