Diskette Drive A Error

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Richy1985

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Mar 14, 2014
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I am having a problem with my computer. I am running Windows 95 on a Dell Dimension Socket 5 motherboard and I receive a 'Diskette Drive A error' when booting up. I am unable to access my Floppy Drive, CD-ROM and Zip Drive as a result of this.

I have tried the following:

1. Making sure the IDE cable is connected correctly (the IDE cable for the Floppy Drive only fits one way).

2. Made sure the IDE cable that connects to the CD-ROM and Zip Drive is connected correctly i.e. that the red dotted line matches with pin one on the connector.

3. Making sure the cables are connected tightly to the drives.

4. Tried connecting another IDE cable for the Floppy Drive to rule out a bad IDE cable.

5. Tried re-installing Windows 95.

6. Tried setting the Floppy Drive to 'Not Installed' in the BIOS.

7. Tried setting the Floppy Drive type from '3.5 inch 1.44mb' to '3.5 inch 720k' in the BIOS.

8. Tried replacing the CMOS battery.

9. Tried replacing the 3.5 inch Floppy Disk Drive.

10. Tried installing a Floppy Disk Controller Card and setting different jumper combinations.

11. Tried running the computer with the Zip Drive disconnected in an attempt to free up power.

11. Tried attaching a fan to the CPU and heatsink to help prevent the CPU from becoming too hot.

12. Made sure the Hard Disk Drive is set to 'Auto' in the BIOS.

13. Disabled the Floppy Disk Controller by right clicking on 'My Computer', selecting 'Properties', clicking the 'Device Manager' Tab, clicking the plus (+) symbol next to Floppy Disk Controllers, double clicking on 'Standard Floppy Disk Controller' and left clicking the white box next to 'Disable this in hardware profile', then clicking OK to save the changes.

14. Disconnected the Floppy Drive and disconnected the IDE cable that connects to the Floppy connector on the motherboard.

In 'Device Manger' there is a yellow exclamation mark next to CMD PCI-0690 PCI to IDE Controller. I have checked the registry by clicking 'Start', 'Run' typing regedit and going to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Service\VxD\IOS and checking for an instance of 'NOIDE' but there is no such instance.


Can anyone help?

Thanks so much!