Thanks for the reply

Well i have had it for a bout 6 months now. When is does start which is not often it runs perfect for about 30 mins then just goes off.
But it has never booted up for about 3 days now so the screen just stays black.
Like i say i can hear the hard drive boot for about 30 seconds but thats all.
Here are the specs for it.
Product MPNMPN PCG-GRX316MP Key Features
Processor Mobile Pentium 4-M 1.6 GHz
Installed Memory 256 MB (DDR SDRAM)
Hard Drive 30 GB IDE
Display 16.1 in. TFT Active Matrix ProcessorProcessor Manufacturer Intel
Processor Type Mobile Pentium 4-M
Processor Speed 1.6 GHz MotherboardBus Speed 400 MHz MemoryInstalled RAM 256 MB
RAM Technology DDR SDRAM
Max Supported RAM 512 MB Hard DriveHard Drive Capacity 30 GB
Storage Controller Type IDE CD / DVD
CD / DVD Type CD-RW/DVD-ROM
Optical Drive Read Speed 24x (CD) • 8x (DVD)
DisplayDisplay Tech TFT Active Matrix
Display Size 16.1 in.
Display Color Support 24-bit (16.7 million colors)
Display Max. Resolution 1600 x 1200 VideoInstalled Video Memory 32 MB
External Video Resolution 1600 x 1200 AudioAudio Output Type Sound card Operating SystemPlatform PC Technical FeaturesInput Method Jog Dial • Keyboard • Touchpad