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EliteDesk 800 wont boot with SmartBoard attached to USB

EliteDesk 800
Microsoft Windows 10 (64-bit)

We are trying to replace an old (non-HP) pc with a new EliteDesk 800 G3.   The PC connects to a SMARTBoard display via VGA and also USB (for the additional functionality).  The old pc works fine but runs very hot so we need to replace.

 

The EliteDesk hangs at the HP logo on POST whent the USB cable is attached.  If we disconnect this the pc boots OK.  We can then attach the cable after boot and the display seems to work OK.  This is not a suitable workaround as the system is in a large meeting room and will be used by non technical staff who should not have to do this when the pc needs to be rebooted.

 

I have also tried an EliteDesk 800 G2 and this has exactly the same problem.   Both machines have had the latest bios for each installed.

 

i have tried disabling USB boot in case it is somehow trying to boot via USB.   I've tried other bios settings but there is nothing making any difference.

 

Can anyone advise please ?

 

Thanks

   

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EliteDesk 800 wont boot with SmartBoard attached to USB

> The old pc works fine but runs very hot.

 

Why?

When was the last time that the PC was physically opened, and all dust removed?

Have you checked that all the fans inside the PC (and inside the power-supply) are working correctly?

 

Is the computer running Windows Vista?

If so, open Windows Update, and configure it to "never check for updates".

Close Windows Update and reboot.

Microsoft has not issued security-updates for Windows Vista since mid-April 2017.

So, there is no need to consume CPU resources to perform any check for updates.

Without such a "load" on the CPU, it will run at a much-lower temperature.

 

After rebooting, open Windows Task Manager, and see if the CPU-usage is still "high".

 

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EliteDesk 800 wont boot with SmartBoard attached to USB

Hello

 

Thanks for the reply.

 

But my question is regarding the newer EliteDesk boot problems, not why the old pc is running hot.  This doesn't matter - the pc is due for replacement anyway.  

 

We need to know what is causing the boot problem on both of these - 2 generations of the same model.  Both to allow us to replace the old pc now but also for future reference in case this happens again.

 

 

Thanks

 

 

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