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Current version by rdklinc,

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Some early A1181s don't have power-on pads at all, and the ones that do are notorious for not working reliably, so I wouldn't consider this to be an absolute sign that your board is dead.
 
You mention that the laptop stopped powering on after going to sleep...do you get a sleep light when you attempt to power on? If so (and even if not) make sure to try powering on with one RAM slot empty, and then the other empty, in order to test for a bad slot. A1181s are plagued with bad slot issues, and probably 1 in 5 I see that have been left for dead work just fine when the RAM is removed from the bad slot.
 
Lastly, if you are seeing absolutely no signs of life when you power on, it may be worth trying a different topcase. If your topcase is the newer model with a silver cable (rather than orange) you can disconnect the cable and re-seat it, which will sometimes resolve isuesissues. Unfortunately the orange cable is more intricately connected to the guts of the topcase and no so easy to re-seat.
Lastly, if you are seeing absolutely no signs of life when you power on, it may be worth trying a different topcase. If your topcase is the newer model with a silver cable (rather than orange) you can disconnect the cable and re-seat it, which will sometimes resolve isuesissues. Unfortunately the orange cable is more intricately connected to the guts of the topcase and no so easy to re-seat.
 
Finally, if you need an A1181 board, the prices have come down -- you can get the older ones for $60-$80 on eBay, so it's not a repair that should be considered out of the question. Just make sure to replace it with an appropriate model, and the best way to do that is to match the model number that is under the right RAM slot (820-1889-A, 820-2279-A, etc.)

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Original post by rdklinc,

Text:

Some early A1181s don't have power-on pads at all, and the ones that do are notorious for not working reliably, so I wouldn't consider this to be an absolute sign that your board is dead. You mention that the laptop stopped powering on after going to sleep...do you get a sleep light when you attempt to power on? If so (and even if not) make sure to try powering on with one RAM slot empty, and then the other empty, in order to test for a bad slot. A1181s are plagued with bad slot issues, and probably 1 in 5 I see that have been left for dead work just fine when the RAM is removed from the bad slot. Lastly, if you are seeing absolutely no signs of life when you power on, it may be worth trying a different topcase. If your topcase is the newer model with a silver cable (rather than orange) you can disconnect the cable and re-seat it, which will sometimes resolve isues. Unfortunately the orange cable is more intricately connected to the guts of the topcase and no so easy to re-seat. Finally, if you need an A1181 board, the prices have come down -- you can get the older ones for $60-$80 on eBay, so it's not a repair that should be considered out of the question. Just make sure to replace it with an appropriate model, and the best way to do that is to match the model number that is under the right RAM slot (820-1889-A, 820-2279-A, etc.)

Status:

open