One of our laptop with OS windows 7 started continues rebooting , issue was laptop was getting rebooted because chkdsk was failing and error was below
It was for C: drive on which OS was residing .
so rebooted laptop in safe mode and checked event log is it related to physical disk issue but event viewer was not having any disk related issue entry in it.
i was knowing it s a dirty disk issue but as it was OS partition chkdsk /r /f command ws not getting executed ” needs reboot ”
So used below trek.
opened regedit in safemode
In the right pane, Changed value of BootExecute from autocheck autochk * /. to autocheck autochk *
Started Laptop by placing Windows OS CD and from boot menu elected to boot from CD , then pressed Shift+F10 key once you receive Instal l screen and oi got command prompt opened .
executed fsutil command to check disk
fsutil query c: < drive letter of laptop OS partition >
now jump on differnt drive letter ( i.e. out of OS partition drive ) and execute chkdsk /r /f C: < drive letter of laptop OS partition >
it got 5 steps checking
removed CD and rebooted laptop from laptop disk.
it started with out any issues
then again executed fsutil
All started well , and issue resolved