It depends on the specific diagnostic program. There is usually various data patterns, transfers of data between different sectors, tests that exercise head movement and so forth.
It is checking to see if the disk drives have any infections.
RAID 3
Disk Checking.
"No Disk" Its not a virus........ Its ur disk problem . . . .
Information processing involves five phases: input, process, output, storage, and retrieval. Each of these phases and the devices associated with each are discussed below.
If you get an error message in a blue screen that says "beginning physical dump of memory to disk," it may mean the disk is blocked or the operating system has been corrupted. It can be a driver or kernel-mode process tried to access memory and failed due to bad hardware or software.
Harddrive errors are determined by running a scandisk. Right click on the harddrive icon and select 'tools'. Now find scan disk and run it.
A Hard Disk Drive Error is an error (physically or via software) that happens in your memory storage. HDDE occurs when a Hard Drive malfunction. Stored information cannot be accessed properly in a configured computer. A hard disk error can occur because of normal operation or external conditions.
Is a serious problem.
fsck
you take it back and ask for a working copy === ===
A no disk error is the result of the hard drive crashing. Replace the hard drive, and reinstall the proper Windows software for the specific computer.