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  • Just to update this. I broke down and upgraded to Windows 10 before Microsoft's deadline and have been successful for the most part with keeping my old Z3731 All-in-One up and running even though it is 10 years old! There was a point in 2017, after a November "failed update" loop that Microsoft triggered in their efforts…
  • I think I may have found another source of my "issues." One of the pair of power outlets I often use when plugging in this laptop is "switched" via a wall switch near it. I'm going to have to be more aware of which outlet I use!
  • I have E5 576G with a now "out of date" BIOS, Where can I find step by step procedure in Windows 10 to perform a BIOS update?
  • Thanks for that explanation JackE! I did not realize there was a functional difference between the charging units I was used to from "back in the day" and a modern Li-ion battery system. It could be that part of my "not charging" is being caused by the battery protection logic as well. My portable is relatively new, and…
  • Thanks for the advice, folks... I was hoping someone would be able to tell me more precisely what the "standards" for voltage and amperage the charging circuits in the Acer E5's expect. The "universal" charging transformer that came with my system will probably not last as long as the rest of the system. Frankly, that set…
  • I find that unplugging from one wall socket and plugging into another will sometimes "cure" the problem. I have noted that the transformer unit end of the 110v adapter/plug is the place where the thing can sometimes get jiggled loose. The "male prongs" exist in two places on my adapter, inside the transformer box, and…
  • Look at your windows power settings. I have the feeling they can put your computer to sleep or turn it off because of how long it has been running even if you have the power adapter plugged in.
  • Sounds like Acer makes too many devices for their software update folks to keep up with. They were doing the same thing back when I bought my All-in-One. I had to contact the international webmaster because the model information was not put in the web site drop down list!
  • Maybe it is just insane brand loyalty? I was impressed with the hardware spec for my Z3731-UR21P, and once I got it working, I settled into a bad habit?
  • I'm still chugging along with the original 3.6 ghz 64bit processor, power supply, and RAM running the latest Windows 10 1803 version. I went through a "siege" with Microsoft Update back around the new year (Dec 2017/Jan 2018) that caused me to use a Microsoft produced refresh of the operating system that inadvertently…
  • I had "given up" on upgrading this old trusty piece of hardware until I had a bout of upgrade insanity on Windows 10 which I now have "running and current" on this 2010 manufactured unit. It was apparently a very limited production run. I had to complain to Acer International when I tried to do a warranty registration on…
  • I'm "done with Acer" after this... My problem stems from the fact that their records regarding the maufacture of this relatively rare device were not shared with vendors, or even posted to their own web site until about 9 months after the device was manufactured and I could not find it in the "pop up list" on Acer's web…
  • You may well be having "network issues" that prevent simple web site performance. Check your networking arrangements. Can you get to "speedtest.net" and get a performance number back?
  • Are you running Windows 10 with automatic updating enabled? I had a similar go-round with my ancient Acer Aspire Z3731-UR21P yesterday during a background update. It apparently locked a file, or I had one locked that it wanted to replace, and MSFT in their infinite wisdom forced me to reboot before I could do anything. The…
  • I was afraid that was the answer. Later Acers, like our TC-605 with 16gb address space will do things like that, I think.
  • I wonder... 2 4gb 240-pin RAM chips cost less than 2 2gb chips these days... Is the memory bus on this old machine capapble of supporing that configuration? A 4gb bank in the primary slot of each of the two banks?
  • I am now checking another recommendation: PC 10600 in the version number instead of PC 12800?
  • The Crucial site displays both 1.35 V and 1.5 V chips as "compatible" My US device is most likely running 1.5v memory now. I'm checking to see if they warrant the chips in a way that I can receive them, test by installing them, and if they work keep, otherwise return while retaining the original 4gb rather than replacing…
  • Apparently not supplied anywhere I've searched. Acer did not even list this model on their website until I complained that it was not in their "drop down" list. Since most suppliers got the before the correction, or the correction was never posted to the lists they use, searches for Z3731-UR21P compatible memory fail withn…
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