how to test the laptop LCD screen
when you buy a laptop new or purchase a replacement laptop LCD panel, you have to choose no dead pixels (burnt pixel), no light Pixe panle.who LCD as problems? but if you do not have specialized software testing LCD, would you say our article.It not matter, I tell you a good way,
The operating system has been installed
Click "Start"? "Run", "command post" (Windows 9x operating system) or "cmd" (operating systems Windows NT/2000/XP), at the moment, the "Command Prompt" window open.input "debug" and click "enter" screen key.the show "?" laptop performance debugging application.pushing "Alt + Enter" maximized windows fill the entire screen Portable LCD screen for testing.
The operating system was not installed
Restart your laptop, between DOS, "posted by debugging" and click "enter" key.the display shows "?", the long portable debugging.
input command
"F B800: 00 F9F 20 70" Full-screen white? * O * I2 P1 ^ 0 ^ 0 J & T. V $ U & ~ 'C
"F B800: 00 F9F 20 40" Full-screen red?! h. U0 V4 A "and: |" `" B6 _
"F B800: 00 F9F 20 20" Full-screen green?
! `3 B4-M] 1 p6 N. G "F B800: 00 F9F 20 10" Full-blue screen.
Add grilled
"F B800: 00 F9F C5 07 C4 07" Full-grilled white screen? (8 c / | 8 k C9! T "g
"F B800: 00 F9F C5 04 C4 04" full screen grilled red?
, L: M & J (d 'Z0 GQ! D "F B800: 00 F9F C5 02 C4 02 "full screen grilled green?
/ I0 N / VkQ / x? + M "F B800: 00 F9F C5 01 C4 01" full screen blue gridding.
the road is very convenient. No need to install the trial software, but we can achieve the objective of the test.
About the Author
How do you replace an LCD inverter for a laptop?
The screen on my Dell laptop has gone dark. Other things I've read, seems to be the inverter or the backlight goes wrong. What exactly is an inverter, and how do I replace him? I would try to before having to replace the backlight, because I've heard it's expensive.
An inverter is a circuit that converts DC power to AC power. Unless has experience working with circuit boards and equipment necessary to do so, I would not advise trying to replace it. You could do more harm to the Board. Most electronic equipment such as televisions, it's cheaper to buy what is to repair.
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 ACER ASPIRE 1640 SERIES LAPTOP LCD INVERTER  US $9.95 |  ACER ASPIRE 3000 SERIES LAPTOP LCD POWER INVERTER BOARD US $11.95 |  ACER ASPIRE 5034 WLMi LAPTOP LCD INVERTER US $11.95 |
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Replacing Inspiron 1525 laptop LCD
Tags: hardware, howto, laptop, laptop lcd inverter, laptop lcd repair, laptop lcd screen replacement, laptop lcd to vga, laptop lcd troubleshooting, lcd, repair