Aaladaha kaydinta waa qayb muhiim ah oo ka mid ah nidaamka kombayutarka si loo kaydiyo, u soo raro, loona soo saaro faylasha xogta. Si loo kala saaro aaladaha kaydinta ee nidaamka kombayutarka, qalab kasta oo kaydinta waxa lagu calaamadiyay nambar gaar ah oo loo yaqaan Disk Signature si loo aqoonsado. Aqoonsiga saxanka gaarka ah waxa loo kaydiyaa iyada oo qayb ka ah Diiwaanka Boot Master (MBR)^{(Master Boot Record (MBR))} . Nidaamyada hawlgalka waxay adeegsadaan saxeexyada diskooga si ay u aqoonsadaan oo ay u kala soocaan aaladaha kaydinta xogta ee kala duwan, iyo darawallada Hard Disk-ga ee nidaamka kombuyuutarada si xogta loo helo.

Waa maxay Isku dhaca Saxeexa Disk

Maalmahan, Disk cloning waxa ay noqotay dhaqan caadi ah oo lagu cusboonaysiiyo disk-ga adag. Darawalada waa la xayndaab si ay u sameeyaan koobi la mid ah si ay u wada isticmaalaan labadaba nuqulka cloned iyo wadista asalka ah. Sidoo kale, qalabyo badan oo wax-ku-ool ah ayaa loo istcmaalay in lagu ikhtiraaco diskka adag ee jireed. Dareewalada adag ee jireed ayaa la farsameeyay si loo abuuro darawallada adag ee diskiga ah, iyo dhowr nooc oo mashiinka farsamada gacanta ah ayaa la abuuray darawallada Virtual Hard Disk-ga jira. Maadaama kuwani yihiin nuqullo isku mid ah, fursadaha ayaa ah in nuqulladani ay yeelan karaan saxiixyo saxan isku mid ah. Marka aad isticmaasho labada saxan ee isku mar wada leh saxiixyo isku mid ah, waxa laga yaabaa in aad gasho dhibaatada isku dhaca Saxeexa Disk-ga^{(Disk Signature Collision)} .

Dhacdooyinka isku dhaca saxanka waa naadir maadaama nidaamka Windows uusan ogolayn in laba saxanadood ay isku mar wada shaqeeyaan marka ay haystaan ​​saxanka la mid ah. Noocyadii hore ee Windows sida XP iyo Windows Vista , isku dhaca saxiixa inta badan lama ogaan doono maadaama nidaamka Windows uu si toos ah u bedeli doono saxiixa saxanka ka warbixinaya saxiixyada nuqul ka mid ah.

Sida loo hagaajiyo isku dhaca Saxeexa Disk^{(Disk Signature Collision)} ee Windows 11/10

Si kastaba ha noqotee, marka laga hadlayo Windows 7 , Windows 8.1, Windows 10 iyo Windows 11 , Isku dhaca Saxeexa Disk-^{(Disk Signature Collision)} ga waxaa loo maamulaa si kala duwan. Marka labada aaladood ee kaydinta ay leeyihiin saxeex saxan isku mid ah, darawalka labaad ee abuura isku dhaca saxeexa diskka waxa uu noqonayaa offline, lamana rakibi karo isticmaalka ilaa shilka la hagaajiyo.

Waxaa laga yaabaa inaad gasho fariimaha khaladka isku dhaca diskka ee soo socda Windows 11/10 .

• Xulashada bootku waa fashilantay sababtoo ah qalabka loo baahan yahay lama heli karo^{(The boot selection failed because a required device is inaccessible)}
• Saxanku waa offline sababtoo ah waxa uu leeyahay isku dhac saxeex^{(The disk is offline because it has a signature collision)}
• Saxankan khadka ma aha sababtoo ah waxa uu leeyahay saxeex ku dhaca saxan kale oo online ah.^{(This disk is offline because it has a signature collision with another disk that is online.)}

Si loo xaliyo dhibaatada isku dhaca diskka, waxaad isticmaali kartaa utility-line utility-ka loo yaqaan diskpart in Windows PowerShell ama Command Prompt si aad u aragto oo aad u bedesho saxiixa, ama isticmaali kartaa isticmaalka Master Boot Record ee Diiwaanka Windows^{(Windows Registry)} . Waxa kale oo aad isticmaali kartaa Utility Management Disk Windows^{(Windows Disk Management Utility)} si aad u beddesho saxiixa.

Marka xigta waxaanu sharaxnaa sida loo hagaajiyo dhibaatada Isku dhaca Saxeexa Disk^{(Disk Signature Collision)} .

^{(Change Disk Signature)}Ku beddel Saxeexa Disk Utility Maamulka Disk^{(Disk Managment Utility)}

Fur Run oo ku qor diskmgmt.msc. Guji OK si aad u furto Maamulka Disk.

Midig ku dhufo^{(Right-click)} saxanka ku calaamadsan Offline ama maqan. ^(Missing. )

Ka dooro taliska khadka^(Online) ee liiska hoos u baxa.

Markaad dooranayso ikhtiyaarka khadka tooska^(Online) ah , Windows waxay soo saari doontaa saxeex saxan cusub.

Ku beddel^{(Change Disk)} saxeexa Disk adiga oo isticmaalaya Diskpart

Fur Command Prompt oo u orod sidii maamule. ^{(Run as Administrator. )}Ku qor amarka   Diskpart si aad u furto Diskpart oo ku dhufo Enter.

Ku qor amarka soo socda si aad u muujiso dhammaan saxanka la heli karo ee nidaamka:

list disk

Hadda u fiirso nambarka dhibka leh ee diskka oo leh heerka khadka ka baxsan liiska oo qor amarka soo socda - halka x uu yahay disk-ka ^(x)offline -si aad u doorato disk-ka offline-ka:

Select disk x

Tusaale ahaan, haddii aad ku qorto amarka dooro disk 1,^{(select disk 1,)} degdegga amarka ayaa muujin doona fariinta maadaama Disk 1 uu hadda yahay saxanka la doortay.^{( Disk 1 is now the selected disk.)}

Ku qor amarkan si aad u muujiso saxeexa saxanka:

Uniqueid disk

Si aad u bedesho saxiixa diskka oo aad u dejiso diskka online, ku qor amar unique disk ID=  ( Saxiixa cusub^(New) ) halkaasoo ( Saxiixa cusub^(New) ) uu yahay aqoonsiga cusub ee hexadecimal.

Tusaale ahaan, waxaad u dejin kartaa id cusub sida uniqueid disk ID= 1456ACBD .

Haddii aad siisay aqoonsi qaab khaldan, isla markiiba waxay muujin doontaa khaladka:

The specified identifier is not in the correct format. Type the identifier in the correct format: in hexadecimal form for an MBR disk or as a GUID for a GPT disk.

Marka la sameeyo, diskku wuxuu ahaan doonaa online. Dib u bilow nidaamka

Arrin la mid ah^{(Similar issue)} : Diskku waa offline sababtoo ah siyaasadda uu dejiyay maamulaha^{(The disk is offline because of policy set by an administrator)} .

Waa intaas.^{(That’s all.)}

How to fix Disk Signature Collision problem in Windows 11/10

Storage devіces are an important part оf the cоmputer syѕtem for saving, pоrting, and extrаcting datа filеѕ. In order to differentiate between storage devіces on your computer ѕystem, each storage device is tаgged with a unique number called Disk Signature for identification. The unique disk identifier is stored as part of the Master Boot Record (MBR). Operating systems use disk signatures to identify and distinguish the different data storage devices, and hard disk drives in the computing system for data access.

What is Disk Signature Collision

Nowadays, Disk cloning has become quite a common practice for upgrading to a larger hard disk drive. Drives are cloned to make a similar copy to use both the cloned copy and original drive together. Also, many virtualization tools are being used to virtualize the physical hard disk drive. The physical hard drives are virtualized to create virtual hard disk drives, and several virtual machine clones are created with the existing Virtual hard disk drives. As these are identical copies, the chances are that these copies may have identical disk signatures. When you use both disks having identical signatures at the same time, you may run into the Disk Signature Collision problem.

The occurrence of disk collision is rare as the Windows system doesn’t allow two disks to function at the same time when they have a similar disk signature. In the older Windows versions like XP and Windows Vista, the signature collision would often go unnoticed as the Windows system would automatically replace the signature of the disk that reports duplicate signatures.

How to fix Disk Signature Collision on Windows 11/10

However, in the case of Windows 7, Windows 8.1, Windows 10 and Windows 11, Disk Signature Collision is handled differently. When two storage devices have an identical disk signature, the secondary drive that creates disk signature collision will be turned offline, and cannot be mounted for use till the collision is fixed.

You may run into the following disk collision error messages in Windows 11/10.

• The boot selection failed because a required device is inaccessible
• The disk is offline because it has a signature collision
• This disk is offline because it has a signature collision with another disk that is online.

To fix the disk collision problem, you can make use of the command-line utility called diskpart in Windows PowerShell or Command Prompt to view and change the signature, or can make use of the Master Boot Record in the Windows Registry. You can also make use of Windows Disk Management Utility to change the signature.

We next explain how to fix the Disk Signature Collision problem.

Change Disk Signature with Disk Managment Utility

Open Run and type diskmgmt.msc. Click Ok to open Disk Management.

Right-click on the disk that is marked as Offline or Missing. 

Select Online command from the drop-down menu.

On selecting the option Online, Windows will generate a new disk signature.

Change Disk signature using Diskpart

Open Command Prompt and Run as Administrator. Type the command  Diskpart to open Diskpart and hit Enter.

Type the following command to display all the available disks on the system:

list disk

Now note the problematic disk number with the status Offline from the list and write the following command – where x is the offline disk – to select the offline disk:

Select disk x

For example, if you type the command select disk 1, the command prompt will display the message as Disk 1 is now the selected disk.

Type this command to display the disk’s signature:

Uniqueid disk

To change the disk’s signature and set the disk online, type the command unique disk ID= (New signature) where (New signature) is the new ID in hexadecimal.

For example, you can set the new id as uniqueid disk ID= 1456ACBD.

If you have given the wrong format ID, the prompt will display the error:

The specified identifier is not in the correct format. Type the identifier in the correct format: in hexadecimal form for an MBR disk or as a GUID for a GPT disk.

Once done, the disk will be online. Reboot the system.

Similar issue: The disk is offline because of policy set by an administrator.

That’s all.

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