Connect broken laptop screen to external monitor

Yes you can.
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 a few times. 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

Have you done any Graphics updates? If you boot to safe mode does the monitor stay the same? Has there been any damage?

Try plugging in an external monitor and see how the display shows on it. If the display is ok on the external then your LCD Screen is going bad. If it shows the same colors on the external monitor then your video graphics card has issues.

If there is an image on the screen, but it is incredibly dark and washed out, then your laptop's back light is out. This is an expensive repair that often exceeds $300. Solutions can be having it repaired, getting it replaced, or using an external monitor with the laptop.

Connect your laptop up to an external monitor. If you get a picture on the external monitor then you know that your Chip is fine. At that point You will need to replace the screen.

These Laptops have an inherent problem with the Video chip. If the computer is powering on but you are not seeing a video on the screen, try using an external monitor on the laptop vga port. If you can get a picture on the external monitor, you have an issue with your screen, and it needs changing. If you cannot get a picture on the external monitor, your video chip is bad and the laptop is finished. Reflowing the graphic chip is usually useless.

Good Luck

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check external mic in another system.
update the bios of the sytem.
update drivers of sound cards

Does it work with an external monitor plugged into it?