Company Acer. Categories. Notebooks & Tablet PCs. Serie. Acer Aspire. Model. Acer Aspire A515-56. Description. Audio Driver. Operating System. Windows 10 64-bit. Version PressWin+R keys. Enter 'cmd'. At the command prompt, enter 'wmic os get serialnumber'. The result is your Windows product key. Entering 'wmic bios get serialnumber' results in your ACER serial number id (SNID) Jack E/NJ. As noted earlier, simply enter 'wmic os get serialnumber' to get your Windows OEM product key. Inits main interface, choose “OneKey System Recovery”. 3. Select from where to restore, AOMEI OneKey Recovery Partition or a system image file. 4. Confirm the restoration result by clicking “Start Restore”. 5. When it finishes it will restart several times to completely Acer restore factory settings just like erecovery. AspireTC-220, Windows 10 - recovery backup. Ozzy13 Member Posts: 18. January 2016. Hello all, Just bought subject desktop a few days ago. Try as I may, I am not able to create a 'recovery drive'. I have tried all types of blank media - DVD, USB (various sizes starting at 1MB) & a 1T external hard drive. Always get message that 'there was a Youcan restore the operating system on your Acer Windows 10 computer by pressing the Alt and F10 keys when the computer starts to boot up. Model Acer Aspire S7-391; 256GB SSD/4GB RAM; OS: Windows 10 Before going dead, the laptop used to randomly display 'no bootable device found' warning while turning it on. But usually it booted up Acer Aspire s7-391 BIOS recovery. Ask Question Asked 7 years, 10 months ago. Modified 3 years, 3 months ago. Viewed 6k times Fix11: Perform a System Restore. Performing a System Restore helps revert your system to a previous working state, fixing the Acer laptop screen black issue. However, it may also remove recent apps and updates. Be cautious, as you might lose some data or settings in the process. Step 1. ACERVeroWhere to buy:Lazada: https://invol.co/clb1jqxInstagram: @gadgetsidekickOFFICIAL Facebook Page: http://www.facebook.c Answers The Win10 downgrade probably wiped the original hidden ACER Win8.1 recovery partition. You can try to use the ALT+F10 cold boot factory reset as shown in the video below on the doubtful chance that the hidden partition is still intact. Step2: Log in to Windows 10 to factory reset Acer laptop. 1) Log in to Windows 10, if you haven't done so. 2) Back up your important files if you want. 3) Open the Settings app, and select "Update & Security". 4) Select "Recovery" on the left side, and then click "Get started" under "Reset this PC" section. 5) Choose Remove everything. P3aKRXW.