The system BIOS version (from the video) shows V1.12. This involves holding down Fn+Tab while starting the computer, before entering the BIOS. Instructions for Acer Aspire A515-55 (the one you gave)
The system BIOS version (from the video) shows V1.02. This involves pressing certain keys (F4, 4, R, F, V, F5, 5, T, G, B, F6, 6, Y, H, N) while the laptop is turned off. Reported to also have worked on Acer Aspire 7 A715-75G. The system BIOS version (from the video) shows V1.37. This involves pressing Fn+Tab three times in the BIOS, then rebooting. I have tried the following: (for Insydeh20 rev5.0) I know there are ways to do it by unlocking the BIOS (e.g ) but I also know other people have had luck with certain key combinations. I've been trying for a while to access the advanced menu in the BIOS in order to enable XMP and other options. I have an Acer Aspire A514-52 with InsydeH20 Setup Utility Rev. i think this method should work for all newer Acer's with the InsydeH20 Rev5.0 BIOS and maybe laptops from other manufacturers. Upvote to bump this post so others can see and also comment if this did or didn't work mentioning your laptop name/model for reference of others. I don't accept any responsibility for any damage caused. Should be obvious but I'll say it anyways : don't change settings or values you don't understand, as it very well may brick your laptop, manufacturers hide these settings for a reason. You should now see all the tabs that were hidden before. Now press Power and tap F2 a few times to boot into the BIOS again. Now while the laptop is off, press (in order) F4, 4, R, F, V, F5, 5, T, G, B, F6, 6, Y, H, N. Hold Power button on BIOS screen to force a shutdown. Launch regular BIOS by tapping F2 a few times right after boot. Saved me a few hours of staring at a hex editor. I tried the same on my Acer Aspire 7 A715-75G and it worked!!!! also gave me access to 'Debug' and 'Power' tabs that i didn't see before.
Today, a few days before the programmer arrives, i found a video on YouTube with 300 views titled "Acer Swift 3 SF314-42 Ryzen 4000 Series Laptop Run BIOS Advance MODE" showing the BIOS unlock code for that laptop. Acer forums were unhelpful and got me frustrated enough to the point that i ordered an SPI-programmer and SOIC8 clip to dump my BIOS and manually find and enable the Advanced tab from it's memory address.
Some options, such as safe mode, start Windows in a limited state, where only the bare essentials are started.I, like many others accidentally stumbled into a second Advanced tab in my BIOS after adding a new stick of RAM, but then was never able to access it again. You can access the menu by turning on your computer and pressing the F8 key before Windows starts. The Advanced Boot Options screen lets you start Windows in advanced troubleshooting modes. How do you access the Advanced Boot Options menu? Use the arrow keys to navigate through the BIOS menu to find the option to reset the computer to its default, fall-back or factory settings.Power your computer back up, and immediately press the key that enters the BIOS setup screen.How do I reset my bios to factory settings? This option is usually called any of the following: … Find the option to reset the BIOS settings.This key opens the BIOS menu or “setup” utility. Notice the key that you need to press at the first screen.now press Power and tap F2 a few times to boot into the BIOS again.now while the laptop is off, press (in order) F4, 4, R, F, V, F5, 5, T, G, B, F6, 6, Y, H, N.
The implementation by a vendor can vary, and there was, at one point ONE version of InsydeH20 that has an “advanced” feature – it’s not commonplace. There is no “advanced settings” for an InsydeH20 BIOS, generally speaking. How do you access the Advanced Boot Options menu? How do I get InsydeH20 advanced BIOS settings?.How do I reset my bios to factory settings?.How do I get to HP Advanced BIOS settings?.How do you unlock advanced BIOS settings?.How do I get InsydeH20 advanced BIOS settings?.