Yes but you would need a computer technician to do it.(Find them at local computer store)
There are probably buttons somewhere on the screen that allow you to change it.
NO. the processor is impossible to change (unless your gonna rip everything out of the laptop case) and the lcd screen, well, you can hook up the laptop to a normal desktop monitor, and display the screen on there, but fixing the laptop screen its self is near impossible.
Change the brightness of the screen sometimes works.
Some laptops have a default setting which alters the brightness of the screen based on the lux of its immediate environment. This can usually be disabled in the BIOS. Sometimes the laptop has serval Power manager setting, the screen change brightness in the different setting, when useing battery, when using adapter , the brightness change.
yes it is 100% possible you just need to dissemble the screen and remove it carefully and all the casing then you just plug in the external monitor the turn the laptop on and press hold Fn the press F8 until the image shows on the screen that the normal shortcut on a laptop.
Right click on your home screen and go to settings. Then change the screen resolution.
my laptop is turned on but my screen won't work.
It might be possible that the laptop did not come loaded with correct video/display software or drivers. By installing appropriate software or drivers, you should be able to get the 1440x900 pixels resolution. Please check with the place you purchased your laptop to see which software or driver available. I am sure you can purchase software and drivers online also.
If a laptop fell and now the screen is covered with colorful vertical lines, the LCD screen cannot be fixed. However, the screen can be replaced to restore the laptop back to working condition.
It's not easy. The backlight lamp is located inside the LCD screen and in order to change it you'll have to take apart the whole LCD screen. In the following link you can see and example of removing and replacing laptop backlight lamp. If you have no experience, I would recommend taking your laptop to a professional repair shop. You can break your laptop if you do it yourself.
You should never spray cleaning products directly on a laptop screen. The best thing to do is use a slightly damp cloth or spray a cleaning solution onto a cloth first and then wipe the screen. You should use as little moisture as possible.
The screen size of the laptop was 12 inches long diagonally.