Hessen

Need help Troubleshooting my boot problem using the Apple II Diskware DOS 3.3 System Master Disk. On booting my Apple IIe (enhanced) I get the two beeps, the power light is on, and have this on my screen (Image 1) On doing Open Apple Reset the following appears (Image 2) I ran the built-in Diagnostic and the screen says "SYSTEM OK" I then removed all I/O cards from all slots and now get the prompt upon start-up. Can anyone help of what do?