Linux
Mint installer can’t see partitions
How to Install, Re-Install and Remove Grub from the MBR
# dd if=/dev/sda bs=512 count=1 | hexdump -C # hd -n 512 /dev/sda
00000000 33 c0 8e d0 bc 00 7c 8e c0 8e d8 be 00 7c bf 00 |3.....|......|..| 00000010 06 b9 00 02 fc f3 a4 50 68 1c 06 cb fb b9 04 00 |.......Ph.......| 00000020 bd be 07 80 7e 00 00 7c 0b 0f 85 0e 01 83 c5 10 |....~..|........| 00000030 e2 f1 cd 18 88 56 00 55 c6 46 11 05 c6 46 10 00 |.....V.U.F...F..| 00000040 b4 41 bb aa 55 cd 13 5d 72 0f 81 fb 55 aa 75 09 |.A..U..]r...U.u.| 00000050 f7 c1 01 00 74 03 fe 46 10 66 60 80 7e 10 00 74 |....t..F.f`.~..t| 00000060 26 66 68 00 00 00 00 66 ff 76 08 68 00 00 68 00 |&fh....f.v.h..h.| 00000070 7c 68 01 00 68 10 00 b4 42 8a 56 00 8b f4 cd 13 ||h..h...B.V.....| 00000080 9f 83 c4 10 9e eb 14 b8 01 02 bb 00 7c 8a 56 00 |............|.V.| 00000090 8a 76 01 8a 4e 02 8a 6e 03 cd 13 66 61 73 1c fe |.v..N..n...fas..| 000000a0 4e 11 75 0c 80 7e 00 80 0f 84 8a 00 b2 80 eb 84 |N.u..~..........| 000000b0 55 32 e4 8a 56 00 cd 13 5d eb 9e 81 3e fe 7d 55 |U2..V...]...>.}U| 000000c0 aa 75 6e ff 76 00 e8 8d 00 75 17 fa b0 d1 e6 64 |.un.v....u.....d| 000000d0 e8 83 00 b0 df e6 60 e8 7c 00 b0 ff e6 64 e8 75 |......`.|....d.u| 000000e0 00 fb b8 00 bb cd 1a 66 23 c0 75 3b 66 81 fb 54 |.......f#.u;f..T| 000000f0 43 50 41 75 32 81 f9 02 01 72 2c 66 68 07 bb 00 |CPAu2....r,fh...| 00000100 00 66 68 00 02 00 00 66 68 08 00 00 00 66 53 66 |.fh....fh....fSf| 00000110 53 66 55 66 68 00 00 00 00 66 68 00 7c 00 00 66 |SfUfh....fh.|..f| 00000120 61 68 00 00 07 cd 1a 5a 32 f6 ea 00 7c 00 00 cd |ah.....Z2...|...| 00000130 18 a0 b7 07 eb 08 a0 b6 07 eb 03 a0 b5 07 32 e4 |..............2.| 00000140 05 00 07 8b f0 ac 3c 00 74 09 bb 07 00 b4 0e cd |......<.t.......| 00000150 10 eb f2 f4 eb fd 2b c9 e4 64 eb 00 24 02 e0 f8 |......+..d..$...| 00000160 24 02 c3 49 6e 76 61 6c 69 64 20 70 61 72 74 69 |$..Invalid parti| 00000170 74 69 6f 6e 20 74 61 62 6c 65 00 45 72 72 6f 72 |tion table.Error| 00000180 20 6c 6f 61 64 69 6e 67 20 6f 70 65 72 61 74 69 | loading operati| 00000190 6e 67 20 73 79 73 74 65 6d 00 4d 69 73 73 69 6e |ng system.Missin| 000001a0 67 20 6f 70 65 72 61 74 69 6e 67 20 73 79 73 74 |g operating syst| 000001b0 65 6d 00 00 00 63 7b 9a c8 f4 d8 c9 00 00 00 20 |em...c{........ | 000001c0 21 00 07 7f 39 06 00 08 00 00 00 90 01 00 00 7f |!...9...........| 000001d0 3a 06 07 fe ff ff 00 98 01 00 7c 43 ec 19 00 fe |:.........|C....| 000001e0 ff ff 27 fe ff ff 00 e0 ed 19 00 60 10 00 80 fe |..'........`....| 000001f0 ff ff 83 fe ff ff 00 48 fe 19 b9 f6 f3 01 55 aa |.......H......U.|
00000010 06 b9 00 02 fc f3 a4 50 68 1c 06 cb fb b9 04 00 |.......Ph.......| 00000020 bd be 07 80 7e 00 00 7c 0b 0f 85 0e 01 83 c5 10 |....~..|........| 00000030 e2 f1 cd 18 88 56 00 55 c6 46 11 05 c6 46 10 00 |.....V.U.F...F..| 00000040 b4 41 bb aa 55 cd 13 5d 72 0f 81 fb 55 aa 75 09 |.A..U..]r...U.u.| 00000050 f7 c1 01 00 74 03 fe 46 10 66 00 80 01 00 00 00 |....t..F.f......| 00000060 00 00 00 00 ff fa 90 90 f6 c2 80 74 05 f6 c2 70 |...........t...p| 00000070 74 02 b2 80 ea 79 7c 00 00 31 c0 8e d8 8e d0 bc |t....y|..1......| 00000080 00 20 fb a0 64 7c 3c ff 74 02 88 c2 52 bb 17 04 |. ..d|<.t...R...| 00000090 f6 07 03 74 06 be 88 7d e8 17 01 be 05 7c b4 41 |...t...}.....|.A| 000000a0 bb aa 55 cd 13 5a 52 72 3d 81 fb 55 aa 75 37 83 |..U..ZRr=..U.u7.| 000000b0 e1 01 74 32 31 c0 89 44 04 40 88 44 ff 89 44 02 |..t21..D.@.D..D.| 000000c0 c7 04 10 00 66 8b 1e 5c 7c 66 89 5c 08 66 8b 1e |....f..\|f.\.f..| 000000d0 60 7c 66 89 5c 0c c7 44 06 00 70 b4 42 cd 13 72 |`|f.\..D..p.B..r| 000000e0 05 bb 00 70 eb 76 b4 08 cd 13 73 0d 5a 84 d2 0f |...p.v....s.Z...| 000000f0 83 d0 00 be 93 7d e9 82 00 66 0f b6 c6 88 64 ff |.....}...f....d.| 00000100 40 66 89 44 04 0f b6 d1 c1 e2 02 88 e8 88 f4 40 |@f.D...........@| 00000110 89 44 08 0f b6 c2 c0 e8 02 66 89 04 66 a1 60 7c |.D.......f..f.`|| 00000120 66 09 c0 75 4e 66 a1 5c 7c 66 31 d2 66 f7 34 88 |f..uNf.\|f1.f.4.| 00000130 d1 31 d2 66 f7 74 04 3b 44 08 7d 37 fe c1 88 c5 |.1.f.t.;D.}7....| 00000140 30 c0 c1 e8 02 08 c1 88 d0 5a 88 c6 bb 00 70 8e |0........Z....p.| 00000150 c3 31 db b8 01 02 cd 13 72 1e 8c c3 60 1e b9 00 |.1......r...`...| 00000160 01 8e db 31 f6 bf 00 80 8e c6 fc f3 a5 1f 61 ff |...1..........a.| 00000170 26 5a 7c be 8e 7d eb 03 be 9d 7d e8 34 00 be a2 |&Z|..}....}.4...| 00000180 7d e8 2e 00 cd 18 eb fe 47 52 55 42 20 00 47 65 |}.......GRUB .Ge| 00000190 6f 6d 00 48 61 72 64 20 44 69 73 6b 00 52 65 61 |om.Hard Disk.Rea| 000001a0 64 00 20 45 72 72 6f 72 0d 0a 00 bb 01 00 b4 0e |d. Error........| 000001b0 cd 10 ac 3c 00 75 f4 c3 c8 f4 d8 c9 00 00 00 20 |...<.u......... | 000001c0 21 00 07 7f 39 06 00 08 00 00 00 90 01 00 00 7f |!...9...........| 000001d0 3a 06 07 fe ff ff 00 98 01 00 7c 43 ec 19 00 fe |:.........|C....| 000001e0 ff ff 27 fe ff ff 00 e0 ed 19 00 60 10 00 80 fe |..'........`....| 000001f0 ff ff 83 fe ff ff 00 48 fe 19 b9 f6 f3 01 55 aa |.......H......U.|
# update-grub Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/50_linuxmint.cfg' Sourcing file `/etc/default/grub.d/init-select.cfg' Generating grub configuration file ... Found linux image: /boot/vmlinuz-5.4.0-58-generic Found initrd image: /boot/initrd.img-5.4.0-58-generic /dev/sdc: open failed: No medium found /dev/sdd: open failed: No medium found /dev/sde: open failed: No medium found /dev/sdf: open failed: No medium found /dev/sdg: open failed: No medium found /dev/sdc: open failed: No medium found /dev/sdd: open failed: No medium found /dev/sde: open failed: No medium found /dev/sdf: open failed: No medium found /dev/sdg: open failed: No medium found grub-probe: error: cannot find a GRUB drive for /dev/sdb1. Check your device.map. done
/boot/grub/device.map is missing on Ubuntu 14.04
# cat /boot/grub/device.map cat: /boot/grub/device.map: No such file or directory # sudo grub-mkdevicemap # cat /boot/grub/device.map (hd0) /dev/disk/by-id/ata-WDC_WDS240G2G0A-00JH30_20142K479003 (hd1) /dev/disk/by-id/usb-Generic_STORAGE_DEVICE_000000000250-0:0
$ sudo parted /dev/sda print Model: ATA WDC WDS240G2G0A- (scsi) Disk /dev/sda: 240GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 1049kB 53.5MB 52.4MB primary ntfs boot 2 53.5MB 223GB 223GB primary ntfs 3 223GB 223GB 549MB primary ntfs msftres 4 223GB 240GB 16.8GB primary ext4
$ sudo fixparts /dev/sda FixParts 1.0.5 Loading MBR data from /dev/sda MBR command (? for help): p ** NOTE: Partition numbers do NOT indicate final primary/logical status, ** unlike in most MBR partitioning tools! ** Extended partitions are not displayed, but will be generated as required. Disk size is 468862128 sectors (223.6 GiB) MBR disk identifier: 0x8BF18D8D MBR partitions: Can Be Can Be Number Boot Start Sector End Sector Status Logical Primary Code 1 2048 104447 primary Y Y 0x07 2 104448 435018619 primary Y 0x07 3 435019776 436092927 primary Y Y 0x27 4 * 436094976 468860600 primary Y Y 0x83
# update-grub Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/50_linuxmint.cfg' Sourcing file `/etc/default/grub.d/init-select.cfg' Generating grub configuration file ... /dev/sdb: open failed: No medium found /dev/sdc: open failed: No medium found /dev/sdd: open failed: No medium found /dev/sde: open failed: No medium found /dev/sdf: open failed: No medium found /dev/sdb: open failed: No medium found /dev/sdc: open failed: No medium found /dev/sdd: open failed: No medium found /dev/sde: open failed: No medium found /dev/sdf: open failed: No medium found Found Windows 10 on /dev/sda1 Found linux image: /boot/vmlinuz-5.4.0-58-generic Found initrd image: /boot/initrd.img-5.4.0-58-generic done
Maybe
Windows 10 Shutdown (Power-off) Issue
ThinkCentre M71e won’t shutdown after Windows 10 Upgrade
1. Boot from the Windows 10 install media 2. After booting to the UEFI device you see the Install Windows 10 screen, press Shift + F10 to open a command prompt. 3. Type Diskpart, press Enter 4. Type List Disk , press Enter 5. Type Select Disk # (where # is the number your drive shows up as), press Enter 6. Type Clean, press Enter 7. Type Convert GPT, press Enter 8. Type Exit, press Enter. 9. Close the Command Prompt window. 10. Click the "Next" button. 11. Click the "Install now" button
Not working!
powermgr.exe hibernate off
Fix: Lenovo is not shutting down (Lenovo Laptop, Desktop does not turn off)