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Connecting an External Monitor or Data Projector You can switch to an external monitor or data projector by two methods. 1. Connect the external monitor to the laptop's video port, power up the external monitor first and the laptop. The video information will automatically switch to the external monitor. 2. If you power up the laptop first then you can switch the video output to the external monitor by pressing the Fn key and one of the Function keys, depending upon your make and model laptop. You can also toggle between the external monitor or both LCD screen plus the external monitor or back to LCD screen only by pressing the Fn key plus one of the function key. Here is a list of key combinations for some of the laptops :- IBM ThinkPad = Fn + F7 HP and Compaq = Fn + F4 Toshiba = Fn + F5 Dell = Fn + F8
Connecting an External Monitor or Data Projector You can switch to anexternal monitor or data projector by two methods.1. Connect the externalmonitor to the laptop's video port, power up the external monitor first and thelaptop. The video information will automatically switch to the externalmonitor.2. If you power up thelaptop first then you can switch the video output to the external monitor bypressing the Fn key and one of the Function keys, depending upon your make andmodel laptop. You can also toggle between the external monitor or both LCD screenplus the external monitor or back to LCD screen only by pressing the Fn keyplus one of the function key. Here is a list of keycombinations for some of the laptops :-IBM ThinkPad = Fn + F7HP and Compaq = Fn + F4Toshiba = Fn + F5Dell = Fn + F8
Connect it to an external monitor to see if it shows video.If it does the display panel needs to be replaced.If it doesn't show video the video card is most likely malfunctioning.The HP dv series are bad about having video problems due to heat and depleted thermal grease.Hopefully it will show video on the external monitor.
I assume you mean video card instead of video drive. The nvidia GPU ( Graphics Processing Unit ) is built into your m/board. The only way to upgrade from say 256mb to 512mb is a m/board replacement. If you have a GPU failure ie failed graphics out put forstly test to see if the output to external monitor works - do that by pluging and external monitor into the vga port located on the l/h side up near the power on button - if there is no putput or it has coloured vertical lines your graphics chip is failing. the only rectification is m/board replacement. Hp has just recently trashed a huge number of defective m/boards in the pavilion dv2000/dv6000/dv9000 & presario v3000 v6000 range and had them remanufactured to correct this GPU failure
Is there any display during start up? If so, then the possible solution is that the display has been toggled for TV or external monitor display. Try hitting Function F5 on the keyboard (default display toggle function) and see if that turns on your LCD display.
Hello jarkk, I believe your problem is with your backlight inverter. the hard drive should be installed for this process of checking it on an external monitor. with the hard drive removed it will not boot to the operating system. with the drive in, use the external monitor. if the monitor works when plugged into the external monitor plug, this will eliminate a bad video card. if the screen is still black on the laptop screen, replace your backlight inverter. the last case cenario is to make sure your backlights are not burnt out.