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Windows 7: Check Disk (chkdsk) - Read Event Viewer Log

21 Jun 2012   #20
cme

Win 7 Home Premium 64 bit
 
 

This is for dbdb,

Hi, you seem to be knowledgeable about chkdsk, so here is my question. I believe I have some bad physical blocks on my drive, the symptoms being the laptop will sometimes almost grind to a halt but the disc activity lamp is burning constantly. Running chkdsk with the appropriate switches identifies and corrects the bad blocks and afterwards all is well, but only for a few days. My understanding is that when chkdsk finds a bad block or sector it should write the address in a 'spareing' table which should prevent the block ever being accessed again, but this does not seem to be the case because I have seen the same address reported on more than one occasion. I am running Win7/64 ntfs using the delivered version of chkdsk. Any thoughts?


My System SpecsSystem Spec
21 Jun 2012   #21
sle3pingz

Windows 7 Home Premium 64bit
 
 

because i not to understand i ask this , it's make me confused ~
My System SpecsSystem Spec
21 Jun 2012   #22
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Quote   Quote: Originally Posted by sle3pingz View Post
brink, i want ask, if we run chkdsk /f , can detect the Bad Sector? or we must run chkdsk /r to detect the bad sector, if we only run fix, that can detect the bad sector?

I mean chkdsk /f can detect the bad sector or not ? And what happend if our notebook harddisk have bad sector, what's the problem?
Quote   Quote: Originally Posted by sle3pingz View Post
because i not to understand i ask this , it's make me confused ~
Hello sle3pingz,

Yes, chkdsk /f will still detect and fix (mark) bad sectors.

Disk Check
My System SpecsSystem Spec
22 Jun 2012   #23
sle3pingz

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by Brink View Post
Quote   Quote: Originally Posted by sle3pingz View Post
brink, i want ask, if we run chkdsk /f , can detect the Bad Sector? or we must run chkdsk /r to detect the bad sector, if we only run fix, that can detect the bad sector?

I mean chkdsk /f can detect the bad sector or not ? And what happend if our notebook harddisk have bad sector, what's the problem?
Quote   Quote: Originally Posted by sle3pingz View Post
because i not to understand i ask this , it's make me confused ~
Hello sle3pingz,

Yes, chkdsk /f will still detect and fix (mark) bad sectors.

Disk Check
it will detect and fix? what's the different then with the /r? /f can detect bad sector too ? really? sorry if i ask too much question ...
My System SpecsSystem Spec
22 Jun 2012   #24
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

It's no problem at all mate. We are here to help with just such questions. More details at the link below, but here are the basics.

Disk Check

The /R switch alone only attempts to recover any data that was in the bad sector. It will not attempt to fix or mark the bad sector to no longer be used unless you also include the /F switch below..

The /F switch alone will attempt to fix any errors on the disk. If it can't fix an error (ex: bad sector), then it will mark it so that the bad sector will no longer be used.

If you use both the /R and /F switch (ex: "chkdsk C: /F /R"), then it will do both of the above.
My System SpecsSystem Spec
22 Jun 2012   #25
sle3pingz

Windows 7 Home Premium 64bit
 
 

yes , i just curious , i don't know if i run chkdsk /f , can detect my Harddisk have badsector or not, or i need run chkdsk /r for detect the bad sector? what do you think? if i run chkdsk /f , if no bad sector detected , it's mean really no bad sector? /f can detect the bad sector ?
My System SpecsSystem Spec
22 Jun 2012   #26
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

You can run chkdsk C: /F /R to do both at the same time. Just substitute C for the drive letter you want to run it on.
My System SpecsSystem Spec
22 Jun 2012   #27
sle3pingz

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by Brink View Post
You can run chkdsk C: /F /R to do both at the same time. Just substitute C for the drive letter you want to run it on.
really sorry not too understand , make it simple , chkdsk /f (fix) when scan can detect bad sector like chkdsk /r? if i didn't find bad sector at chkdsk /f , i need to run chkdsk /r for detect bad sector? really sorry , my english is bad ...
My System SpecsSystem Spec
22 Jun 2012   #28
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Nope, I would recommend to run the command below exactly as is.

F = fix only
R = recover data only

chkdsk C: /F /R
My System SpecsSystem Spec
23 Jun 2012   #29
sle3pingz

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by Brink View Post
Nope, I would recommend to run the command below exactly as is.

F = fix only
R = recover data only

chkdsk C: /F /R
what do you mean by nope Brink?
chkdsk /f can't detect bad sector?
then only chkdsk /r can detect bad sector?
My System SpecsSystem Spec
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 Check Disk (chkdsk) - Read Event Viewer Log




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