KillDisk Pro - NIU - Division of Information Technology



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KillDisk Pro

KillDisk Pro is a utility that will completely erase your hard disk 10 times to ensure that the data is not recoverable. For security purposes, you can run KillDisk before sending surplus computers to Central Management Stores.

Procedure and Charges to Surplus Electronic Data Processing Equipment with Hard Drives:

"State of Illinois Public Act 96-0045 and the Northern Illinois University Board of Trustees approval to implement a new policy effective 1/4/2010 requires that all hard drives returned with surplus electronic data processing equipment be wiped clean of all data and software by overwriting every track at least ten (10) times and certifying in writing that this process has been completed. NIU Property Control will only accept complete systems that have been certified by attaching a sticker (form #24709 available from Property Control) with the Agency name, Serial #, NIU Asset Tag #, Application used to overwrite, Name of person overwriting the disk, Date and Signature of certifier. This sticker must be applied on the left-hand side of the face of the unit. Laptops must be labeled on the topside of its cover.

All of the electronic data processing equipment that belongs with the system should be returned whole and intact. If the hard drive has been removed or is not operating and unable to be wiped clean, the certification label must state that the hard drive was removed or is not operable.

All requests for surplus electronic data processing equipment must comply with these procedures and be properly labeled before Property Control and Materials Management personnel will be able to pick-up these items from the Departments. Departments will need to supply NIU Property Control with valid account number to be charged when placing a request for surplus electronic data processing equipment to be picked up in order to cover final disposition and recycling costs. Final disposition and recycling charges are $10.00 per item for cpus, monitors, printers and other electronics. This charge includes freight and handling fees."

3 Ways Get KillDisk For PC

Estimated time to complete 10 passes depending on the size of the hard drive

Instructions for KillDisk on a CD

Note: set the PC BIOS to allow booting from removable media. Be sure the CD-ROM drive is set higher in the boot order than the PC hard drive(s).

  1. Insert KillDisk Pro disk. A message stating that KillDisk Pro is loading (similar to the one shown below in Figure 6) will appear.

    Figure 6: KillDisk is loading...
    Figure 6

  2. If you see "ERROR : Invalid partition table in sector 0 on 80h." (as shown below in Figure 7), the hard disk in the PC does not contain any valid partitions. If you still wish to wipe the hard disk press “I” to continue.

    Figure 7: Error Message
    Figure 7

  3. When the KillDisk application opens, use the up/down cursors keys to select the hard disk to be wiped (as shown below in Figure 8). Once the proper disk is selected, press the F10 key.

    Figure 8: The KillDisk Application Screen
    Figure 8

  4. At the Configuration screen (shown below in Figure 9), press F10 again to begin wipe process (do not make any adjustments to the settings). A progress bar with the total estimated time to competition will appear at the bottom of the screen. See the Estimated Time of Completion chart at the bottom of this page.

    Figure 9: The Configuration Window
    Figure 9

  5. When KillDisk Pro completes, you will see a summary of the process (as shown below in Figure 10).

    Figure 10: The Summary Log
    Figure 10

  6. Press the ESC key once to exit the Summary. You will get an exit message (as shown in Figure 11). Press the ESC key. The hard drive should be completely wiped.

    Figure 11: The Exit Message
    Figure 11

Estimated Time of Completion

These times are approximations. The actual speed will vary depending upon the speed of the hard disk and the computer.

Hard disk sizeTime to complete 10 passes
1 GB
30 minutes
2 GB
1 hour
4 GB
2 hours
8 GB
4 hours
20 GB
10 hours
40 GB
20 hours
80 GB
40 hours