Lenovo NetVista A20 (English) User guide - Page 105
Diagnosing and recovering from problems, Table 1: Hardware problems Continued, Diskette Drive
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Table 1: Hardware problems (Continued) If the problem is: Can't write to diskette Can't format diskette Keyboard doesn't work or only some keys work Here's what to do: 1. Make sure you are using the correct type of diskette. Make sure that the diskette is correctly formatted. 2. Make sure the diskette is not write-protected. 3. Make sure you are sending information to the correct drive. 4. Make sure there is space on the diskette for the information. (Try using a blank, formatted diskette.) 5. Make sure the drive power and signal cables are securely attached to the back of the drive. For instructions on working in the system unit, see "Working with the hardware in the system unit" on page 6-3. 6. Make sure that the Diskette Drive parameter is enabled in Setup under Advanced Options, Security Options. 1. Make sure the diskette is not write-protected. 2. Make sure you are using the correct type of diskette. 3. Make sure the drive power and signal cables are securely attached to the back of the drive. For instructions on working in the system unit, see "Working with the hardware in the system unit" on page 6-3. 4. Make sure Diskette Drive is not disabled in the BIOS STANDARD CMOS Menu. 1. Make sure the keyboard cable is correctly and securely connected to the keyboard port (not the mouse port) on the back of the system unit. The keyboard port has this symbol next to it to help you: 2. Move your fingers across the keys. Make sure no keys are stuck. 3. If you have a protector over your keyboard, make sure that it allows typing. Some do not. 4. Turn the system unit off, wait 10 seconds, and then turn the system unit on again. Diagnosing and recovering from problems 8-9