Lenovo 7099U1U, Hardware Maintenance Manual, Page: 44 / 224

• Destroys the Master Boot Record (MBR) on the hard disk drive.
• Destroys all copies of the FAT Table on all partitions (both the master and backup).
• Destroys the partition table.
• Provides messages that warn the user that this is a non-recoverable process.
Full Erase Hard Drive provides a DOS utility that performs the following:
• Performs all the steps in Quick Erase.
• Provides a DOS utility that writes random data to all sectors of the hard disk drive.
• Provides an estimate of time to completion along with a visual representation of completion status.
• Provides messages that warn the user about a non-recoverable process.
Important: Make sure that all data is backed up before using the Quick or Full Erase functions.
To select the Quick Erase Hard Drive or Full Erase Hard Drive utility, do the following:
1. 1. Select the UTILITY option on the toolbar and press Enter.
2. Select either the QUICK ERASE or FULL ERASE HARD DISK option and follow the instructions.
Viewing the test log
To view details of a failure or to view a list of test results, use the following procedure from any test category
screen:
1. Press F3 to activate the log file.
2. Press F3 again to save the file to diskette or press F2 to print the file.
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ThinkCentre Hardware Maintenance Manual