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I drop my laptop yesterday and when i reboot it just put me in white screen. The sound is working when I turn the computer on. How do I check to see which hardware is broken
I guess the first thing to do is see if you have any video using an external monitor. This will help us as we used to say divide and conquer. If you have video with an external monitor we can eliminate the logic board, hard drive and start looking at the LCD panel and its cables. I suspect we are not going to see video however leaving possible problems with logic board, hard drive and connections. You should check and make sure your memory and all cables are solidly connected. If you do not know how to get to these items use the step by step and teardown guides under the photo of the laptop. If none of this finds and clears your problem please come back and let us know what you found and we will go from there. Good luck. Ralph
