Shop HPs Online Store for all your computer hardware, accessories, printer needs the best deals. Free Shipping Easy Returns. Shop now. Lets say you have an IBM ThinkPad laptop and when you turn it on all you get is a black screen with Fan error message. What could be wrong A few weeks ago, the fan. Here is a simple diagram that will help you to understand how a notebook display assembly works and how an. MBIQi3PbR3DX2Xjx.medium' alt='Compaq Presario V2000 Graphic Drivers' title='Compaq Presario V2000 Graphic Drivers' />Display assembly diagram Laptop Repair 1. Here is a simple diagram that will help you to understand how a notebook display assembly works and how an image appears on the screen. Im not an artist and I tried my best drawing this diagram, so if you cannot see a laptop in this picture, dont be mad. A generic display assembly includes a very few parts and knowing them will help you to understand witch part can cause a problem if you laptop video not working properly. Video cable. A video signal from the motherboard goes to the LCD screen through the video cable. The video cable connects to the motherboard or video card through the connector 1. HP-Compaq-Presario-V2000-Video.jpg' alt='Compaq Presario V2000 Graphic Drivers' title='Compaq Presario V2000 Graphic Drivers' />The video cable connects to the LCD screen through the connector 2. The video cable in most cases is also responsible for supplying a necessary voltage for the FL inverter board. The video cable connects to the FL inverter board at the point 3. FL inverter board. This board is responsible for converting low voltage DC power point 3 to high voltage AC point 4, necessary to light up the backlight bulb. If the FL inverter board is bad, the LCD screen backlight bulb will not light up when you turn on the laptop, but you still should be able to see a very dim image on the screen. CCFL backlight bulb. When the backlight bulb lights up, you can see an images on the LCD screen. In most cases the backlight bulb is a part of the LCD screen and if its bad, the entire screen has to be replaced. By the way, some specialized repair shops can replace the backlight bulb itself. Lid close switch. The lid close switch is a small button that locates close to the display hinges. On some newer models there is no button, because the switch is magnetic. You can set up your laptop to go to a hibernation mode or to a standby mode when the LCD is closed. Its done through power management software. These modes are triggered when the display is closed and the lid close switch is pressed down. If the LCD screen on your laptop will not light up when you open the display assembly, check the lid close switch is stuck inside it might happen because the switch is dirty. Related articles Fixing notebook video problems. Disassemble LCD screen with water damage. Screen inverter replacement. Laptop has bad video on the screen. All main laptop and notebook parts explained. On this website you will find information about all main parts inside a typical laptop or notebook computer. You can identify parts by the description or image below. In order to get more information about a particular part, you can follow the link in the description or simply click on the image. SYSTEM BOARD aka MOTHERBOARDThe system board is the main logic board in any laptop. All internal components are connected to the system board. This is one of the most expensive parts in a laptop. MEMORY aka RAMMore memory you have installed better the performance of the laptop. Learn about different types of memory, compatibility issues and how you can replace or upgrade memory yourself. The memory is a user replaceable part. HARD DRIVEThe hard drive is the main storage of information in a laptop. Serial Number For Adobe Acrobat Dc Trial here. All system files, personal files are stored inside the hard drive. Find the difference between SATA and IDE hard drives. Faster hard drive you have installed faster data access you get. You can upgrade the hard drive yourself. PROCESSOR aka CPUThe processor is the brain of your laptop. Faster CPU means faster data processing. KEYBOARDThe keyboard is the main input device. Find out how the keyboard is connected to the motherboard and how it can be removed or replaced. CDDVD OPTICAL DRIVEThe CDDVD drive allows you to readwrite data fromto a CD or DVD disc. Lear about the difference between drives with regular and SATA connectors. COOLING FANThe cooling fan is a part of the cooling module in a laptop. The fan helps to cool down the processor when the laptop is turned on. VIDEO CARD aka GRAPHICS CARDIn most modern laptops the video card is integrated into the system board. If the video card fails you have to replace the whole motherboard. In some laptops the video card is a discrete module and can be removed or replaced separately from the motherboard. AUDIO BOARD aka SOUND BOARDIn most laptops the audio board is a part of the motherboard. How To Run A Fortran Program In Command Prompt. If thats the case, all audio board inputoutput components such as volume control, microphone jack and headphone jack are soldered directory to the motherboard. WIRELESS NETWORK CARDThe internal wireless card helps you to connect to the Internet without running a cable. Learn about different types of internal wireless cards and how they are connected to the motherboard. CMOS BATTERY aka RTC BATTERYThe CMOS battery provides power to the CMOS chip when the laptop is turned off or disconnected form the wall outlet. LCD SCREENThe LCD screen is one of the most expensive parts in a laptop computer. The LCD screen mounts inside the display panel. If you accidentally cracked the screen, it has to be replaced. You cannot repair  a cracked screen. SCREEN INVERTER BOARD aka FL INVERTERThe inverter board is a power supply for the backlight lamp inside the LCD screen. When inverter fails, the LCD screen goes very very dark and you barely can see any image on the screen. In most laptops the inverter board is mounted inside the display panel below the LCD screen. SCREEN BACKLIGHT LAMP aka CCFL TUBEThe backlight lamp is the main source of light in the LCD screen. The backlight lamp is mouted inside the screen. Project Report Dairy Farm Bank Loan Pdf there. When the backlight lamp fails, you have to replace the whole LCD screen. Its possible to replace just the lamp inside the screen but its very hard and has to be performed by an experienced technician. SCREEN CABLE aka VIDEO CABLEThe video cable connectes the Laptop screen to motherboard. The video cable carries data signal for the LCD screen and power for the ivnerter board. WEB CAMERAMany modern laptops come with a web camera built into the display panel. The web camera is not a part of the LCD screen. The web camers is located on a separate board and can be replaced separately from the LCD. DISPLAY HINGES aka SCREEN HINGESThe dispaly hinges connect two main parts of any laptop the display panel and base assembly. ACDC POWER ADAPTERThe ACDC power adapter converts high voltage AC power from the mains to low voltage DC power required by the laptop. MAIN BATTERYThe battery is a secondary source of power for a laptop. The battery gets charged while the laptop is plugged into the mains and keeps the laptop running when its unplugged from the mains.