Did this work for you? If not, leave a comment with your exact X507U sub-model (check the sticker on the bottom) for further assistance.
Press the once while still holding the function key. Release the key when the menu or BIOS screen appears. Troubleshooting Boot Issues asus x507u boot menu key
: Press and hold the [F2] key, then press the Power button . Quick Access Steps Shut down the laptop completely. Did this work for you
Here is why this happens and how to fix it. Release the key when the menu or BIOS screen appears
Unlike older PCs that display a splash screen for several seconds, modern ASUS laptops boot very quickly, leaving little time to guess. Below is the definitive guide for the ASUS X507U.
| Key | Function | |------|-----------| | | On some older ASUS BIOS versions, F8 served as the boot menu key. | | F10 | Rarely, but on certain UEFI implementations, F10 acts as a boot menu. | | F12 | Common on other brands (Dell, Lenovo), but not standard for ASUS. Try if desperate. | | F2 | This enters the BIOS Setup , not the boot menu, but you can change boot order from there. |