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APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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x5000000_apc
Cadet
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174

APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

This was originally posted on APC forums on 3/31/2013


Hello,when the workstation isin hibernation mode orsleep, and is connectedwith thedata cable to the APC RS800 UPS  is turn on with no apparent reasonat different times.If theUSBcableis disconnectedeverything is fine. Devicesignalwake up workstation BIOS, why?, How to fixthis problem, I have severalidenticaldevicesand allhave the same problem. Inother ordinarycomputersnoproblem. The workstationisthe latest versionof theBIOSandall the possibilitiesfor remoteswitchingsystemare disabledby default.


Accepted Solutions
BillP
Administrator Administrator
Administrator
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0
174

Re: APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

This reply was originally posted by Angela on APC forums on 4/5/2013


so you are saying the problem is with a BIOS setting that allows wake up via USB?

See Answer In Context

4 Replies 4
BillP
Administrator Administrator
Administrator
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175

Re: APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

This reply was originally posted by Angela on APC forums on 4/5/2013


so you are saying the problem is with a BIOS setting that allows wake up via USB?

x5000000_apc
Cadet
0 Likes
0
174

Re: APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

This was originally posted on APC forums on 4/6/2013


This computerwithno optiontoblock allUSBwake up, todayfor the first timefoundthatComputerwake upeven withoutbeing connected to adata cable, oncea weekworks.Itautomatically displays UPS  thatwasnot theproblemdeviceand possiblya mouseor keyboard. Thanks for the advice.

x5000000_apc
Cadet
0 Likes
0
174

APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

This was originally posted on APC forums on 3/31/2013


Hello,when the workstation isin hibernation mode orsleep, and is connectedwith thedata cable to the APC RS800 UPS  is turn on with no apparent reasonat different times.If theUSBcableis disconnectedeverything is fine. Devicesignalwake up workstation BIOS, why?, How to fixthis problem, I have severalidenticaldevicesand allhave the same problem. Inother ordinarycomputersnoproblem. The workstationisthe latest versionof theBIOSandall the possibilitiesfor remoteswitchingsystemare disabledby default.

BillP
Administrator Administrator
Administrator
0 Likes
0
174

Re: APC RS800 UPS Turn on the DELL Precision Workstation T5400 without any reason

This reply was originally posted by Angela on APC forums on 4/1/2013


Can you check within your Windows Event Viewer to see if there are any events from around this time period? Is this after you manually put the workstation in hibernate or sleep or is after an outage and the UPS does a graceful hibernate/sleep?