Windows Memory Diagnostic Tool stops at 88% complete

Again, what disk do you have? No Windows 7 installation disk will withhold the Install Now choice for any reason once booted.

Wiping the drive should help as it resolves most installation problems. But if you have a UEFI BIOS then the commands after "Clean" are not used. Boot the disk as a EFI device and delete all partitions to clear formatting, use Clean Command from Command Prompt if that isn't sufficient.

If problems persist post back exact failure point and any specific error or behavior. Report back the exact settings in BIOS for UEFI, EFI, CSM, Legacy BIOS, Secure Boot and BIOS Boot Priority.

Greg

No, not UEFI - I had to look up the acronym to find out what it is! Just standard BIOS

The disc I have is actually not a DVD but a CD which was big enough to do the job.

I haven't sent you all the BIOS settings but I do attach my experience details.

Tony

A CD is never big enough to hold the Win7 installation media. If it starts up to Windows 7 branding then it is likely a System Repair Disk so you'll need to find installation media for your licensed version as discussed in Step 1 of Clean Reinstall Windows 7.

Had you been following that tutorial you would not have made this mistake. Ask back questions as needed to complete the steps in that tutorial, and you'll end up with a perfect install.

OK, my fault.

I installed Win 7 last year when the PC was new and "I thought" in good order. I must have made a SIF then but just labelled it as Win 7 for N2120G.

As it has taken such a long time to discover that it was faulty, and even longer to convince Acer to repair it, I had simply forgotten. It didn't help that the opening screen looks so much like the 'real' install disk.

So now I have a working PC and loaded Win 10 on to it now as it is available to play with.

Tony

If you already own a $100+ value Win7 license then there's no reason why you can't have the best OS on the Acer. Just follow the steps in Clean Reinstall Windows 7.

That tutorial has helped over 1.3 million consumers get and keep a perfect install without a single complaint or return with problems. If you want Win7 we will help you get it no matter what.

Yes, I reinstalled Win 7 as in your tutorial and it is all OK.
I did try Win 10 on it first, but didn't like it at all, so wiped the lot in favour of Win 7.

Thanks for all the help.
Tony