HP Compaq nx7400 LCD model?

caafko

Estimable
Apr 1, 2015
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Hi, I can not very well English, but I'll try to describe my problem the best.
I have a laptop HP Compaq nx7400 with a defective screen (about half of the screen is black and if you rotate the display to the propeller works). I decided that replacing the display will solve this problem.
The original piece is called LP154W01 (TL) (AE) - cost about 2300CZK.
I found on the internet part called LP154W01 (TL) (D4) or LP154W01 (TL) (AH), which are about 50% cheaper.

All three display HP launches as Compaq nx7400 displays.

Please explain what the abbreviation for the model LCD display means and that when I buy a cheaper model and will be operational in the notebook.

Thank you for your response.