Win 8.1 Drive light blinks each second regular as clockwork.

The only cure is to disable the optical drive. Disabling auto play doesn't fix it.
I've never seen this on Win7, but every Win8 from Win8 preview to Win8.1 does this.
I can live with the optical drive disabled, but it still seems a bit bush league.

Hi,
I agree with Noel, you may need to update the BIOS and chipest drivers for that this is an old PC.
And I think some programs or services are running in the background which can cause the blinking, please use the Process Explorer to view everything is going on in your system
when the driver light is blinking, (You may close unneeded programs to reduce the workload)
Process Explorerhttp://technet.microsoft.com/en-us/sysinternals/bb896653.aspx
You can also check if this issue occurs in clean boot mode or safe mode:
How to perform a clean boot in Windows 8.1, Windows 8, Windows 7, or Windows Vista
http://support.microsoft.com/kb/929135/en-us
Windows Startup Settings (including safe mode)
http://windows.microsoft.com/en-IN/windows-8/windows-startup-settings-including-safe-mode
Regards,
Yolanda
Yolanda
TechNet Community Support

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