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There may be one available as a block diagramme for a fee on a web site somewhere but that is not common.
Most manufacturer trained computer engineers know how motherboards work alongside the firmware and chosen software so there is no call for them.
Remove the battery and power source. Remove the RAM and hdd. Power up with the power supply and it should do something. If it does, replace the RAM and hdd it should now restart. If nothing, check the GPU.
Your Model of Aspire has a different battery release method, see attached pic on how to do it. This is a pic from your User Manual, you can download it from here Download Acer Aspire E1 572
Manual. I suspect that the information you have been given regarding battery removal and passwords refers to removing the cmos battery as in a PC in the hope that it will clear Bios activated passwords.
Burning dvd\'s is always a crapshoot when you have multiple machines. Computer drives are more tolerant on playback - the problem lies with your other, independent playback units. That is why in your main viewing area it is important that you have a few units so that if disk does not play in one machine, it will play on another. Has to do with the individual differences and calibrations of the machines involved. Store bought dvd\'s have less problems because their laser reflectivity is always higher than disks you burn, and therefore, easier to read properly. Price of the unit has no reflection on ability to properly read the disk. Sometimes and often, a cheaper machine will work better with copies - you never know.
It sounds like it could be either the battery is going bad and not holding a charge or the adapter is. I have had really good luck with similar problems going to places like Batteries +, and large electronic retailers, and my favorite the small local mom and pop computer store; where I end up asking them If I could try one of the adapters from the floor model to eliminate if is a faulty adapter. Other then that I'd if its not out of warranty contact Acers online chat support at http://us.acer.com/ac/en/US/content/service
try checking windows control panal too see if you have drivers installed. if o.k. try sound icon to see if you have ticked mute box. here's the one that got me,the dvd playing program had the mute box ticked. re-launch dvd played/media played and un-tick. good luck
For Acep Aspire 504x model systems that have Bluetooth built in, there is an on/off switch located in the front of the system.
For systems with bluetooth built in there will be two buttons next to each other just left of the mic and headphone ports.
The left of the 2 buttons is the bluetooth switch and the right of the 2 buttons is for 802.11 wireless.
If you only have 1 button then you do not have bluetooth built-in. You can also check to see if bluetooth is included by looking at the bottom, if Bluetooth is installed there will be a white FCC lebel with the name Bluetooth written on it.