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+## Installing Linux with DualBoot alongside Windows 11 
+
+- [Disable BitLocker in Windows](https://www.asus.com/support/FAQ/1047461/), don't forget to backup your key
+- [Shrink system partition](https://www.asus.com/me-en/support/FAQ/1044688/#Win11)
+- Disable Secure Boot in Bios:
+	- Pressing F2 while booting
+	- Then F7 in bios
+	- Select "Security" -> "Secure Boot" -> Disable. 
+	- Press F10 to save and reboot
+- Boot in windows, check that everything's wotking
+- Burn image with [rufus](https://rufus.ie/), reboot, press F2, choose your USB drive as first boot option
+
+## Getting bluetooth working with Mediatek 7921e
+
+**Problem**: WiFi is working on Zenbook UM3402-YA, but bluetooth doesn't.
+
+According to this [answer](https://www.linux.org/threads/solved-wifi-adaptator-not-found-mediatek-wi-fi-6-mt7921-wireless-lan-card.37699/page-2#post-143291) you should just turn your laptop off, disconnect power supply and ==hold power key for 60 seconds==. 
+
+After that press Power key again and wait for about 10-20sec for asus logo to appear. Then ==press F2 and disable secure boot again==, that's the necessary part.
+
+## Power usage optimizations
+
+- Install `tlp` and enable it with `systemctl enable --now tlp` 
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