1)
http://www.insidemylaptop.com/remove-lcd-screen-replace-inverter-board-acer-aspire-5100-laptop/Yes, I know. Aspire 5100 series of Notebook PC, not the Aspire 5230 series. I am looking at the Service Manual for the Aspire 5230 series right now, and the above link is a good basic pictorial guide.
http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-acerDrop down to the subheading - Aspire 1200. (1200 in Blue)
Go down to the 6th line, scroll across, and left-click on 5230 in blue.
(Takes few seconds before the first page comes up.
In the PDF file page number box at the top, go to Page 119)
2) If you mess up with the connection of the LCD Panel Cable, to the LCD Panel, (On back), your laptop will not power up.
Those tiny contact pins on that cable's connector, must line up exactly, and be plugged in tightly to the LCD Panel.
Not plugged in tightly? You won't see it visually. You have to physically check.
Also use the old tape that was there, to tape over the connector once installed, on the back of the LCD Panel.
Ripped it all the way off? Oops! Use some new tape. (Not duct tape, scotch tape, or medical tape. Box tape with strands in it)
3) Connector of LCD Panel Cable, connected tightly into motherboard?
4) Screen Inverter wires connected? Connectors are keyed differently from each other, BUT, are they connected correctly?
5) Why was the LCD Panel replaced? Damaged? Did the LCD Panel Cable receive damage? Did you perform a cursory visual inspection of it's sheath, at least? Sheath showed ANY damage, did you perform a continuity check of each wire in the cable, with a multimeter set to Ohm's? (LCD Panel Cable unplugged from motherboard, and LCD Panel, of course)
6) If there was damage, did the screen Inverter receive damage?
7) Connect the LCD Panel Cable's ground wire/s back to THE ground screw/s? Good bright clean connection area for those eyelet ground terminal/s?
8) Did you crossover the new LCD Panel to the old LCD Panel, to make sure it is a direct replacement?
NOTE*
A screen Inverter, and an LCD screen, (LCD Panel for Acer), are a MATCHED unit.
9) AC adapter plugged into power, and plugged into laptop, along with the battery?
Post back in a Comment, and if none of the above is the problem, we'll go on from there.
Regards,
joecoolvette
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