RAM not correctly detected after install

[keybreak]

1. Does UEFI (BIOS) see full RAM?
2. Does Windows 10 see full RAM?
3. Check it with memtest from EndeabourOS live-USB (if it will give errors or dead - sadly you’ll have to change whole laptop / motherboard, since it’s soldered RAM)

btw it’s not advisable to dual-boot with Windows 10, it’s not safe anymore:

Windows lets you now to access your Linux filesystem, but

… you will have to do it from inside WSL and then use File Explorer to browse it. So if you dual-boot Windows and Linux using different disks you can, with this update, access your Linux files on the Linux disk from inside of Windows 10 (albeit inside WSL 2 inside Windows 10). And because WSL 2 is able to expose Linux file systems to File Explorer (the file manager, previously called Windows Explorer) you can use browse a native Linux filesystem (mounted in WSL 2) as though it was a regular o…

So at least know your risks

P.S. @ricklinux yep and installed as UEFI, he already said in other thread