Did I break my Qubes drive?

[JAVA BAK]

Qubes is drive1, theres a mix of partitions on drive2.

Installed SteamOS on a spare partition on drive2  BETWEEN a Windows Boot/Page/etc Partition and another partition.

Before SteamOS was installed it was:

Bootable Windows Partition | Nothing | Another part

Once SteamOS was installed it was:

Bootable Windows Partition | EFI System Partition(thot bootloader was put here...) | 10G root | 10G bootrecov | 10G swap| 100G home | Another part

SteamOS sucks so I just deleted everything from steamos and rezied Windows partition to take up space where steamOS was.

- Now ---------------------------------------------------------------------------------------------

drive 1 -> Installed Qubes with automatic partitioning (before steamos was installed on drive2). It was a fresh 4.0.3 and encrypted.

  Partition ###  Type              Size     Offset
  -------------  ----------------  -------  -------
  Partition 1    System             500 MB  1024 KB              <---------- I thought this was the bootloader but BIOS doesnt list Qubes anymore
  Partition 2    Unknown           1024 MB   501 MB            < ------------ Whats this one?
  Partition 3    Unknown            475 GB  1525 MB

drive2 ->

  Partition ###  Type              Size     Offset
  -------------  ----------------  -------  -------
  Partition 1    Reserved            15 MB    17 KB           <---- windows bootloader?
  Partition 2    Primary            488 GB    16 MB           <---- and Windows boots fine because the boot stuff is in the 15MB partition?
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So how did I blow up Qubes bootloader? After installing SteamOS, I would automatically get a Debian grub menu and I could select Windows or SteamOS. And I could always just use the Windows loader as well since its clearly separate.