i got too...not regularly happen, and ussualy happen during switch my laptop on
im using A42JE only...less than a month bought it

ok...i ned explanation from expert user...wat is diffrent of perfomance btween:

X42DE-VX075

and

A42JE-VX118

...i decide to buy asus laptop..n i got offer from some1 in lowyat forum.he wan to sell his laptop(A42JE-VX118 - used) about 1.35k...still got warrnty around 1 and half year...

and X42DE is new 1..price is 1.4k..aftr discount..

so...which 1 should i choose?
have no idea -.-

spec of laptop:
  A42JE-VX118
- Intel® Core™ i3-370M Processor (3M cache, 2.40 GHz)
- 14' HD (1366x768) LED backlit
- ATI HD 5470 with 512MB DDR3 Video Memory
- 2GB DDR3 1066MHz RAM
- 320GB Hard Disk Drive
- DVD Super Multi Drive
- NO Operating System
- Bluetooth
- 6 Cell Battery
- Integrated 0.3 Mega Pixel Webcam
X42DE-VX075
- AMD Turion II P520 2.3GHz Processor
- 14' HD Color Shine LED Screen
- FreeDOS
- 500GB Hard Disk
- 2GB DDR3 SDRAM
- ATI HD 5470,With 512MB DDR3 VRAM
- Built-in Speaker and Microphone - SonicMaster
- Integrated Webcam,Bluetooth,Wi-Fi
- DVD Super Multi
- 6-Cell Battery
- Color : Blue
- 2-year GLobal Limited Warranty

so....izit ok f i go to

A42JZ-VX086

Intel® Pentium® Processor P6200 (3M Cache, 2.13 GHz)
- NO Operating System
- 14' 16:9 HD (1366x768) LED backlit Screen
- 2GB DDR3 1066 MHz SDRAM, 2 x SODIMM socket for expansion up to 4GB SDRAM