I have an Acer Aspire 5103WLMi, around 8 years old, cast aside by a young relative. The hardware is ok, apart from the dead battery which I had to remove eventually because it prevented booting. I put Windows 8 on (nice £25 Microsoft upgrade launch offer), then 8.1. I had some puzzling moments with Windows 10 update and thought I would share some experiences:
Display Adapter: Windows 10 will only install a "basic" driver that will not have the resolution you need. I did try other Mobility x1300 drivers from AMD site and Microsoft Update Catalog site, but although they worked, I got the annoying problem of disappearing
text and context menus on the Windows Start tiles.
My best solution: go to Acer website, Support, Drivers and Manuals, Search by Product Model: Aspire 5100. You will see Windows Vista 32-bit drivers, there are no 64-bit drivers listed, but the 32-bit ones include 64-bit drivers. Download the ATI VGA driver 8.362. I installed this in compatibility mode: Windows Vista Service Pack 2, and Run as Administrator. Follow the Catalyst Install Manager dialogue to install the driver and Catalyst Control Center. You should achieve the native 1280x800 resolution. I did not find the Catalyst Control Center (CCC) app capable of doing any more than the Windows display settings, and after every boot there was an ATI message that said CCC was not compatible with the driver! So, I removed CCC as follows: in Windows, Programmes and Features, right click on Catalyst Install Manager and select Change. Choose Custom Uninstall and uninstall only the CCC, not the driver.
Synaptics Touchpad: After updating to Windows 10 you will either have the basic PS/2 mouse driver or "Synaptics SMBus Touchpad" on a subsequent Windows Update. Either way you won't have the one-finger edge scrolling. If you want the scrolling feature, uninstall
the Synaptics driver, go to Acer site as above and download and install Synaptics Touchpad Driver 9.0.3. Note: Windows automatic update will revert the driver on the next update, you cannot prevent this even in the Windows Device Installation Settings, unless
you do the following:
Microsoft has kindly provided a "Show or hide updates troubleshooter" package: "How to temporarily prevent a Windows or driver update from reinstalling in Windows 10" at http://support.microsoft.com/en-gb/kb/3073930
Download and save the wushowhide.diagcab file. When you open the file it takes a while because it checks for updates. Find the update you do not want and Hide it. (Sounds familiar?) You can run the package again in the future if you wish to "unhide" or add new "hides".
Modem Driver: I do not need to use the modem, but I kept getting a "Memory Management" error message which told me that information was being collected, slowly counting up to 100%, then all clear. Subsequently I Googled about it, which led me to the modem. The problem modem driver occurred after a Windows update "HDAudio Soft Data Fax Modem with SmartCP". If you get this problem, you can either disable the driver in Windows Device Manager; or uninstall the driver in Device Manager, reboot, let Windows install a driver from its library "HDA CX11254 Soft Modem" (no problems), then fire up the "Show or hide updates troubleshooter" as above and Hide the "HDAudio Soft Data Fax Modem with SmartCP" update.