Blue screen on new laptop?

Hey  

I just bought a new laptop with very good spec and for alot of money its fairly new but when i play skyrim or minecraft both of which are on the best graphics it SOMETIMES blue screens and says attempt to reset or recover the display driver failed the drivers are correct i made 100% sure and the problem seems to occur more often when i plug in external device which draw power from the laptop. Any ideas?

Chassis & Display Vortex Series: 15.6" Glossy Full HD LED Widescreen (1920x1080)

Processor (CPU) Intel® Core™i7 Quad Core Mobile Processor i7-3720QM (2.60GHz) 6MB

Memory (RAM) 8GB SAMSUNG 1600MHz SODIMM DDR3 MEMORY (2 x 4GB)

Graphics Card AMD® Radeon® HD 7970M - 2GB DDR5 Video RAM - DirectX® 11


Memory - 1st Hard Disk 240GB INTEL® 520 SERIES SSD, SATA 6 Gb/s (upto 550MB/sR | 520MB/sW)


1st DVD Drive 8x SATA DVD±R/RW/Dual Layer (+ 24x CD-RW)

Memory Card Reader Internal 9 in 1 Card Reader (MMC/RSMMC/SD: Mini, XC & HC/MS: Pro & Duo)


Sound Card Intel 2 Channel High Definition Audio + MIC/Headphone Jack

Network Facilities GIGABIT LAN & WIRELESS INTEL® ADVANCED-N 6235 (300Mbps) + BLUETOOTH

USB Options 3 x USB 3.0 PORTS + 1 x USB 2.0 PORT AS STANDARD

Firewire 1 X 1394a FIREWIRE PORT

Battery Vortex Series 8 Cell Lithium Ion Battery (5,200 mAh/76.96WH)

Power Lead & Adaptor 1 x UK Power Lead & 180W AC Adaptor