how to test laptop LCD screen

when you buy a new laptop or buy a replacement laptop LCD screen panel,you must want choose no dead pixel (burned pixel),no light pixe Lcd screen panle.who like trouble?but if you have not specialized LCD test Software,you would read our article. It does not matter,I tell a good way to you.

Operating system has been installed Click the "Start" → "Run",input"command"(Windows 9X/Me operating system) or "cmd" (Windows NT/2000/XP operating systems),at this time,the "Command Prompt" window be open.input"debug "and click"enter"key.the screen will show "?",the laptop run debug application.pushing"Alt+Enter",Maximized windows fill the entire screen for test laptop Lcd screen.

Operating system has not been installed Reboot your laptop ,enter DOS,input "debug"and click"enter"key.the screen will show "?",the laptop run debug application.

input command "F B800:00 F9F 20 70"Full-screen white，* P1 I2 o* ^0 j& ^0 T. V$ U& ~' C "F B800:00 F9F 20 40"Full-screen red，! h. U0 V4 A" y: " `" b6 _ "F B800:00 F9F 20 20"Full-screen green， ! `3 b4 M- ]1 p6 N. G"F B800:00 F9F 20 10"Full-screen blue.

add gridding

"F B800:00 F9F C5 07 C4 07"Full-screen white gridding， {8 c/ 8 C9 k! t" g "F B800:00 F9F C5 04 C4 04"Full-screen red gridding， , l: m& J( d' Z0 G Q! d"F B800:00 F9F C5 02 C4 02"Full-screen green gridding， / I0 N/ V- k- Q/ x ?+ M"F B800:00 F9F C5 01 C4 01"Full-screen blue gridding. the way is very convenient. we do not need install test software,but also we achieve the purpose of testing. . t: y, h9 W, X. Q2 T$ [; G$ u / ]+ L9 `4 {7 J6 g( ?$ ~ Related Posts:

* BIOS chip model number, capacity, voltage, type * How To Boot Windows Via Flash Disk With DOS system * How to remove Laptop LCD screen * the procedure of replace ThinkPad T400 laptop motherboard * How to boot HP Compaq nc4010 nc4000 laptop from USB-dvdRom * How to remove and repleace your laptop keyboard!-www.laptoppartwholesale.com * when water flow into your laptop * IBM ThinkPad T60 Laptop motherboard circuit diagram Download * How to disassemble laptop ,step by step guide! * Newly arrive laptop LCD screen- 15.4 CCFL screen and LP141WX3