Question about Acer Aspire 5742Z-4200 Notebook
This can be the sign of a problem with the mother-board. So it might need to be replaced. I suggest you contact the store where you bought it. Otherwise it will cost you a new computer.
Posted on Sep 15, 2017
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Posted on Jan 02, 2017
Sounds like it's hitting a dead cell in the battery. If you are a very skilled electrician or computer tech you can find and replace dead cells in the battery by taking it apart. Otherwise your safest and easiest solution would be the purchase a replacement battery. Check on ebay, usually you can find them for a fraction of regular cost. Peter email@example.com 561-537-3208
Posted on Oct 02, 2007
SOURCE: GOT AN ACER ASPIRE 5742Z
Without doubt symptomatic of overheating.(hence the fan trying to cool all the time)
You need to remove the bottom cover of the laptop and vacuum out any dust that has accumulated in the heatsink and fan area. You may have to on tis model, partly dismantle the laptop to get the heatsink and fan. Given the 2nd part of the problem you describe, this is no bad thing, as a niosy fan MIGHT indicate a dying fan bearing, if it is not just a matter of being clogged, a replacement with heatsink can be had for about a tenner on Ebay.
I must stress, do NOT use the laptop until you sort this, as overheating will eventually cause the graphics chip to unsolder
Posted on Mar 29, 2011
SOURCE: My acer aspire 5742z laptop
Issues like this mostly caused by a program or simply a corrupted operating system updates. I would suggest we try restoring the laptop back in time when the issue is not yet present. We can achieve this by performing System Restore, if I'm not mistaken, this laptop has Windows 7. Please click on the Start button, then go to All Programs> Accessories> System Tools and then finally System Restore. Please select a date when the issue is not yet present. Then, please reboot the laptop.
Hope this helps.
Posted on Apr 17, 2011
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