Per motivi che non vi sto a raccontare, ho dovuto disinstallare Ubuntu dal Pc di lavoro (per inciso, per metterlo in altri 3 invece di questo dove sto scrivendo da live), ho seguito la procedura come scritta nei wiki e... non parte più nulla.
Ecco i passaggi che ho fatto.
a) eliminazione delle 3 partizioni Ubuntu da Gparted in live Usb (swap, /,/home)
b) ripristino da live usb del mbr windows come descritta in http://wiki.ubuntu-it.org/AmministrazioneSistema/RipristinoMbrWindows
c) riavvio del sistema...
a questo punto, veniva fuori una schermata alla riaccensione con (lo metto sotto codice, per la leggibilità, ma in realtà me lo sono segnato in un foglietto
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loading drmk v 8.00
ecc. ecc.
C:
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command.com
oobedone.flgAllora uso il secondo metodo che mi viene in mente. Preparo un disco (usb) di ripristino di window7, che una volta avviato, mi dice :"guarda che hai dei problemi all'avvio, vuoi che te li risolvo?" Dico: "certo, grazie", fa da solo senza nemmeno farmi entrare nella pagina delle scelte, si riavvia ma torna sempre la pagina di cui sopra (drmk v.8.00). Rifaccio ripartire il disco di ripristino, questa volta non mi blocca all'inizio, riconosce il mio sistema Windows 7, mettendoci però tra parentesi vicino <recovered>, e da qui vado su "ripristino all'avvio", o qualcosa del genere, la prima delle opzioni di ripristino, comunque. Mi dice di farlo tutte le volte necessarie prima che il sistema parta tranquillamente. Bene, la faccio un paio di volte, e alla fine mi torna alla schermata precedente (drmk 8.00) ma con una stringa in più:
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<carry> set reading mbr on disk 81h; status 80hPanico. Cerco da live di ubuntu qualche forum che mi spieghi come fare, e vedo che la procedura da ripristino può essere fatta automatica o manuale. L'opzione automatica non mi fa fare più nulla, dicendomi che non trova nessun problema a meno che io non abbia installato o inserito un nuovo driver nel frattempo, cosa che chiaramente non ho fatto. vado in quella automatica, dando i comandi da prompt:
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bootsect /nt60 SYS /mbr
bootrec /fixboot
bootrec /fixbootCome posso procedere?
Questo è il mio fdisk -l
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ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x54df6939
Device Boot Start End Blocks Id System
/dev/sda1 * 63 80324 40131 6 FAT16
Partition 1 does not start on physical sector boundary.
/dev/sda2 81920 24686591 12302336 7 HPFS/NTFS/exFAT
/dev/sda3 24686592 757792767 366553088 7 HPFS/NTFS/exFAT
/dev/sda4 757794814 976771071 109488129 5 Extended
Partition 4 does not start on physical sector boundary.
Disk /dev/sdb: 16.0 GB, 16039018496 bytes
255 heads, 63 sectors/track, 1949 cylinders, total 31326208 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00011bf8
Device Boot Start End Blocks Id System
/dev/sdb1 * 2048 31326207 15662080 c W95 FAT32 (LBA)
Per completezza, tutti i files e le cartelle della partizione Windows sono ancora lì funzionanti, e da live ci vado tranquillamente.
Non penso servano, ma vi posto anche lspci e lshw, ma da spoiler per non appesantire troppo (se si può fare...)
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ubuntu@ubuntu:~$ sudo lspci
00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d4)
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d4)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation C220 Series Chipset Family H81 Express LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 04)
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 210] (rev a2)
01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
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ubuntu@ubuntu:~$ sudo lshw
ubuntu
description: Mini Tower Computer
product: OptiPlex 3020 (OptiPlex 3020)
vendor: Dell Inc.
version: 01
serial: HHFJS42
width: 64 bits
capabilities: smbios-2.7 dmi-2.7 vsyscall32
configuration: administrator_password=disabled boot=normal chassis=mini-tower frontpanel_password=disabled keyboard_password=disabled power-on_password=disabled sku=OptiPlex 3020 uuid=44454C4C-4800-1046-804A-C8C04F533432
*-core
description: Motherboard
product: 040DDP
vendor: Dell Inc.
physical id: 0
version: A01
serial: /HHFJS42/CN7016349903Z4/
*-firmware
description: BIOS
vendor: Dell Inc.
physical id: 0
version: A06
date: 11/17/2014
size: 64KiB
capacity: 8128KiB
capabilities: pci pnp upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification netboot uefi
*-cpu
description: CPU
product: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz
vendor: Intel Corp.
physical id: 33
bus info: cpu@0
version: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz
slot: SOCKET 0
size: 3303MHz
capacity: 3800MHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt cpufreq
configuration: cores=4 enabledcores=4 threads=4
*-cache:0
description: L1 cache
physical id: 34
slot: CPU Internal L1
size: 256KiB
capacity: 256KiB
capabilities: internal write-back
*-cache:1
description: L2 cache
physical id: 35
slot: CPU Internal L2
size: 1MiB
capacity: 1MiB
capabilities: internal write-back unified
*-cache:2
description: L3 cache
physical id: 36
slot: CPU Internal L3
size: 6MiB
capacity: 6MiB
capabilities: internal write-back unified
*-memory
description: System Memory
physical id: 37
slot: System board or motherboard
size: 12GiB
*-bank:0
description: DIMM DDR3 Synchronous 1600 MHz (0,6 ns)
product: HMT451U6BFR8C-PB
vendor: Hynix/Hyundai
physical id: 0
serial: 02F0A4015044
slot: DIMM1
size: 4GiB
width: 64 bits
clock: 1600MHz (0.6ns)
*-bank:1
description: DIMM DDR3 Synchronous 1600 MHz (0,6 ns)
product: 16JTF1G64AZ-1G6E1
vendor: Micron
physical id: 1
serial: 0300860DB00D
slot: DIMM2
size: 8GiB
width: 64 bits
clock: 1600MHz (0.6ns)
*-pci
description: Host bridge
product: 4th Gen Core Processor DRAM Controller
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 06
width: 32 bits
clock: 33MHz
configuration: driver=hsw_uncore
resources: irq:0
*-pci:0
description: PCI bridge
product: Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller
vendor: Intel Corporation
physical id: 1
bus info: pci@0000:00:01.0
version: 06
width: 32 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:24 ioport:e000(size=4096) memory:f6000000-f70fffff ioport:e0000000(size=301989888)
*-display
description: VGA compatible controller
product: GT218 [GeForce 210]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nouveau latency=0
resources: irq:31 memory:f6000000-f6ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:e000(size=128) memory:f7000000-f707ffff
*-multimedia
description: Audio device
product: High Definition Audio Controller
vendor: NVIDIA Corporation
physical id: 0.1
bus info: pci@0000:01:00.1
version: a1
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:17 memory:f7080000-f7083fff
*-display
description: VGA compatible controller
product: Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:30 memory:f7400000-f77fffff memory:d0000000-dfffffff ioport:f000(size=64)
*-multimedia:0
description: Audio device
product: Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
vendor: Intel Corporation
physical id: 3
bus info: pci@0000:00:03.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:34 memory:f7914000-f7917fff
*-usb:0
description: USB controller
product: 8 Series/C220 Series Chipset Family USB xHCI
vendor: Intel Corporation
physical id: 14
bus info: pci@0000:00:14.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:27 memory:f7900000-f790ffff
*-communication
description: Communication controller
product: 8 Series/C220 Series Chipset Family MEI Controller #1
vendor: Intel Corporation
physical id: 16
bus info: pci@0000:00:16.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=mei_me latency=0
resources: irq:32 memory:f791e000-f791e00f
*-usb:1
description: USB controller
product: 8 Series/C220 Series Chipset Family USB EHCI #2
vendor: Intel Corporation
physical id: 1a
bus info: pci@0000:00:1a.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci-pci latency=0
resources: irq:16 memory:f791c000-f791c3ff
*-multimedia:1
description: Audio device
product: 8 Series/C220 Series Chipset High Definition Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:33 memory:f7910000-f7913fff
*-pci:1
description: PCI bridge
product: 8 Series/C220 Series Chipset Family PCI Express Root Port #1
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: d4
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:25 ioport:2000(size=4096) memory:cf200000-cf3fffff ioport:cf400000(size=2097152)
*-pci:2
description: PCI bridge
product: 8 Series/C220 Series Chipset Family PCI Express Root Port #4
vendor: Intel Corporation
physical id: 1c.3
bus info: pci@0000:00:1c.3
version: d4
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:26 ioport:d000(size=4096) memory:f7800000-f78fffff ioport:f2100000(size=1048576)
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: eth0
version: 0c
serial: b0:83:fe:65:4b:fb
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.1.22 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
resources: irq:29 ioport:d000(size=256) memory:f7800000-f7800fff memory:f2100000-f2103fff
*-usb:2
description: USB controller
product: 8 Series/C220 Series Chipset Family USB EHCI #1
vendor: Intel Corporation
physical id: 1d
bus info: pci@0000:00:1d.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci-pci latency=0
resources: irq:23 memory:f791b000-f791b3ff
*-isa
description: ISA bridge
product: C220 Series Chipset Family H81 Express LPC Controller
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: driver=lpc_ich latency=0
resources: irq:0
*-storage
description: SATA controller
product: 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode]
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
version: 04
width: 32 bits
clock: 66MHz
capabilities: storage msi pm ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:28 ioport:f0b0(size=8) ioport:f0a0(size=4) ioport:f090(size=8) ioport:f080(size=4) ioport:f060(size=32) memory:f791a000-f791a7ff
*-serial UNCLAIMED
description: SMBus
product: 8 Series/C220 Series Chipset Family SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 04
width: 64 bits
clock: 33MHz
configuration: latency=0
resources: memory:f7919000-f79190ff ioport:f040(size=32)
*-scsi:0
physical id: 1
logical name: scsi0
capabilities: emulated
*-disk
description: ATA Disk
product: ST500DM002-1BD14
vendor: Seagate
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: KC48
serial: Z6EB2JZM
size: 465GiB (500GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 sectorsize=4096 signature=54df6939
*-volume:0
description: Windows FAT volume
vendor: DELL 4.1
physical id: 1
bus info: scsi@0:0.0.0,1
logical name: /dev/sda1
version: FAT16
serial: 5450-4444
size: 39MiB
capacity: 39MiB
capabilities: primary bootable fat initialized
configuration: FATs=2 filesystem=fat label=DellUtility
*-volume:1
description: Windows NTFS volume
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
version: 3.1
serial: ac03-b7f1
size: 11GiB
capacity: 11GiB
capabilities: primary ntfs initialized
configuration: clustersize=4096 created=2015-02-14 15:29:24 filesystem=ntfs label=RECOVERY state=clean
*-volume:2
description: Windows NTFS volume
physical id: 3
bus info: scsi@0:0.0.0,3
logical name: /dev/sda3
logical name: /media/ubuntu/OS
version: 3.1
serial: 82d8805d-1405-ea40-8ee6-3353ce13def1
size: 349GiB
capacity: 349GiB
capabilities: primary ntfs initialized
configuration: clustersize=4096 created=2015-02-14 15:29:27 filesystem=ntfs label=OS mount.fstype=fuseblk mount.options=rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096 state=mounted
*-volume:3
description: Extended partition
physical id: 4
bus info: scsi@0:0.0.0,4
logical name: /dev/sda4
size: 104GiB
capacity: 104GiB
capabilities: primary extended partitioned partitioned:extended
*-scsi:1
physical id: 2
logical name: scsi5
capabilities: emulated
*-cdrom
description: DVD-RAM writer
product: DVD+-RW DH-16AES
vendor: PLDS
physical id: 0.0.0
bus info: scsi@5:0.0.0
logical name: /dev/cdrom
logical name: /dev/sr0
version: 3D11
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
configuration: ansiversion=5 status=nodisc
*-scsi:2
physical id: 3
bus info: usb@1:9
logical name: scsi6
capabilities: emulated scsi-host
configuration: driver=usb-storage
*-disk
description: SCSI Disk
physical id: 0.0.0
bus info: scsi@6:0.0.0
logical name: /dev/sdb
size: 14GiB (16GB)
capabilities: partitioned partitioned:dos
configuration: sectorsize=512 signature=00011bf8
*-volume
description: Windows FAT volume
vendor: SYSLINUX
physical id: 1
bus info: scsi@6:0.0.0,1
logical name: /dev/sdb1
logical name: /cdrom
version: FAT32
serial: aa6e-fa41
size: 14GiB
capacity: 14GiB
capabilities: primary bootable fat initialized
configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro state=mounted



