On 09/30/2013 02:21 PM, Keith Lofstrom wrote:
> On Sun, Sep 29, 2013 at 11:06:14PM -0700, Dick Steffens wrote:
>> I have an APC Back-UPS ES 550 UPS.
> Does the unplugged UPS provide enough power to start up the
> machine?

Yes.

> That is probably an Offline/Standby UPS.

I think this says it's standby:

http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BE550G&total_watts=200&tab=models


> <...> Inside the computer power supply are some
> electrolytic capacitors which may have been full value when
> the machine was new, but may have been cooked to weakness.

I'm guessing this is likely.

Might be time to look for a replacement power supply.

Thanks for the info, Keith.

-- 
Regards,

Dick Steffens

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