title: Grub can't find windows 10
body: <p>I have made a dual boot with debian buster and windows 10 but impossible to put windows in grub menu then i can swith between the both in bios menu.</p>
  
  <p>I have already try <code>sudo os-prober</code>, <code>sudo update-grub</code> and add lines in <code>/etc/grub.d/40_custom</code> as below :</p>
  
  <pre><code>menuentry "Windows 10" {
      search --no-floppy --fs-uuid --set E60D-0507
      chainloader /EFI/Microsoft/Boot/bootmgfw.efi
  }
  </code></pre>
  
  <p><code>sudo fdisk -l</code> : </p>
  
  <pre><code>Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
  Disk model: ST1000DM010-2EP1
  Units: sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 4096 bytes
  I/O size (minimum/optimal): 4096 bytes / 4096 bytes
  Disklabel type: gpt
  Disk identifier: 2F05B719-B600-4648-AF99-7F0C35315550
  
  
  Disk /dev/sdb: 111.8 GiB, 120034123776 bytes, 234441648 sectors
  Disk model: Corsair Force LE
  Units: sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 512 bytes / 512 bytes
  Disklabel type: dos
  Disk identifier: 0x0e72b260
  
  Device     Boot Start       End   Sectors   Size Id Type
  /dev/sdb1  *     2048 234440703 234438656 111.8G 83 Linux
  
  
  Disk /dev/sdc: 465.8 GiB, 500107862016 bytes, 976773168 sectors
  Disk model: CT500MX500SSD4  
  Units: sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 512 bytes / 512 bytes
  Disklabel type: gpt
  Disk identifier: AED57927-A1AF-4E82-A278-49F87BDD49F1
  
  Device       Start       End   Sectors   Size Type
  /dev/sdc1     2048   1023999   1021952   499M Windows recovery environment
  /dev/sdc2  1024000   1226751    202752    99M EFI System
  /dev/sdc3  1226752   1259519     32768    16M Microsoft reserved
  /dev/sdc4  1259520 976773119 975513600 465.2G Microsoft basic data
  </code></pre>
  
  <p><code>sudo blkid</code> :</p>
  
  <pre><code>/dev/sda: PTUUID="2f05b719-b600-4648-af99-7f0c35315550" PTTYPE="gpt"
  /dev/sdb1: UUID="368b1e36-c7b1-457d-936e-46a932a4ad4e" TYPE="ext4" PARTUUID="0e72b260-01"
  /dev/sdc1: LABEL="RM-CM-)cupM-CM-)ration" UUID="76EA09E8EA09A609" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="2396f166-f311-4c9e-94be-dc3bf6526b2a"
  /dev/sdc2: UUID="E60D-0507" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="c5d25f33-078e-44ba-9f07-736fdd6a1846"
  /dev/sdc3: PARTLABEL="Microsoft reserved partition" PARTUUID="1cda9bc2-e7bb-4f5a-81e9-9c7233277b6e"
  /dev/sdc4: UUID="365643795643393F" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="78bd9889-9e0e-437b-800e-66f67f29b662"
  </code></pre>