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Just bought a Dell Optiplex 7010 Mini-Tower with Win 8 Pro 64-bit, 8 GB RAM, 500 GB hard drive and an Intel i5 3470 processor. Right now, it has Dell BIOS version A16.
It is normally in UEFI ON and Secure Boot ON, so that F12 on bootup (one-time boot options) does NOT normally show the CD-DVD as a boot option. OK - no problem.
However, if I reboot with F12 and select both UEFI OFF (meaning Legacy ON) and Secure Boot OFF and reboot, then F12 DOES show me the CD-DVD as a boot option, but if I actually try to boot up from a bootable CD, I get an error message.
I have practiced with two bootable CDs - a Knoppix and an Aomei Backupper, both made on earlier machines. Both these CDs work as boot-up CDs in my old XP machine, and the Aomei Backupper CD also worked in someone else's Win 7 Pro 64-bit machine.
What's wrong?
Again, please let me repeat that I am trying to boot from the CD-DVD AFTER I have turned OFF UEFI, turned ON Legacy and turned OFF Secure Boot.
Thanks.
Just bought a Dell Optiplex 7010 Mini-Tower with Win 8 Pro 64-bit, 8 GB RAM, 500 GB hard drive and an Intel i5 3470 processor. Right now, it has Dell BIOS version A16.
It is normally in UEFI ON and Secure Boot ON, so that F12 on bootup (one-time boot options) does NOT normally show the CD-DVD as a boot option. OK - no problem.
However, if I reboot with F12 and select both UEFI OFF (meaning Legacy ON) and Secure Boot OFF and reboot, then F12 DOES show me the CD-DVD as a boot option, but if I actually try to boot up from a bootable CD, I get an error message.
I have practiced with two bootable CDs - a Knoppix and an Aomei Backupper, both made on earlier machines. Both these CDs work as boot-up CDs in my old XP machine, and the Aomei Backupper CD also worked in someone else's Win 7 Pro 64-bit machine.
What's wrong?
Again, please let me repeat that I am trying to boot from the CD-DVD AFTER I have turned OFF UEFI, turned ON Legacy and turned OFF Secure Boot.
Thanks.
My Computer
System One
-
- OS
- Dual boot - Win 7 Pro 64-bit and Win 8.1 Pro 64-bit
- Computer type
- PC/Desktop
- System Manufacturer/Model
- Dell Optiplex 7010 MT
- CPU
- Intel Core i5 3470 @ 3.2GHz
- Motherboard
- Dell 0GY6Y8 - what would the Intel number be? - Q77 chipset
- Memory
- 16GB RAM DDR3 (Four x 4GB)
- Graphics Card(s)
- Intel HD Graphics (on the CPU)
- Sound Card
- Realtek High Definition Audio - and Intel Display Audio
- Monitor(s) Displays
- Dell E176FP - nothing fancy
- Screen Resolution
- 1280 x 1024 @ 60 Hz
- Hard Drives
- Two 500GB WDC WD5000AAKX (SATA @ 6GB/sec)
- External WD My Book 1110 USB device
- Leftover Momentus XT not plugged in yet.
- PSU
- What means PSU? I'm at sea level
- Cooling
- Ice cubes
- Keyboard
- Noisy
- Mouse
- Basic from Dell
- Internet Speed
- Verizon DSL @ 7Mbps down and 780kbps up
- Browser
- Firefox only with lots of security drives my wife crazy
- Antivirus
- Win 7 Avast Free - Win 8 Windows Defender for now
- Other Info
- Also have an old but important XP SP3 machine still running - Optiplex 755 Desktop w 4GB RAM and 180 GB HD. Used the registry hack to get more updates through "XP Embedded" or "POS" so now the machine rings like a cash register and the CD drawer opens to give change.