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Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

I have just rebuilt my PC and am trying to reinstall WCG. After installing WCG and rebooting I am only getting a black screen and a cursor pointer arrow.

I am using Windows & 64 Bit Ultimate.

I browsed through the FAQs and didn't see this issue.

Any help with how to solve this will be greatly appreciated.

Thanks.
[Dec 24, 2013 7:22:39 PM]   Link   Report threatening or abusive post: please login first  Go to top 
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

I have resolved my issue.
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

Okay, things are working properly, but I could still use some help. I am trying to use my GPU. Everything works fine until the screensaver kicks in. Then the screen looks like an old movie without enough frames per second. I have tried modifying the settings to increase both the % GPU used and the frames per second. This change didn't seem to impact things.

Any help with how to solve this would be great.
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Sgt.Joe
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

Check that your GPU is using the most updated driver and the driver is compatible with Win 7 64. BTW, there are no current GPU projects at WCG.
Cheers
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Sgt. Joe
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[Dec 25, 2013 12:57:53 AM]   Link   Report threatening or abusive post: please login first  Go to top 
Coleslaw
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

Not all GPU's are up to snuff for running graphics like screen savers while the GPU is doing work. Since WCG does not currently have GPU work, you may want to take your questions to the forums of that project so that experienced users there can give some pointers. I personally don't recommend running a screen saver if using the GPU. If it is important to you to run the screen saver, you could possibly limit the GPU's usage via an cc_config or app_config file.
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

Thanks.

I tried to turn off the GPU. When I did this, it had no impact on the screensaver issue. Either I am doing it incorrectly, or it was not what was causing the issue. Any idea if maybe the screensaver is also impacted by the CPU settings? I currently have my CPUs at "Use All" at "100%".

Or can anyone recognize something else which may be causing this issue with the screensaver?

Any idea why there are no GPU using projects currently? Does it just take too much work to create the additional software for the results projects get?
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

One more detail which may help solve this. The screensaver does not "flicker" when it is showing the World Computing Grid page. It is the page for my specific project which does. My current project is "Mapping Cancer Markers". I will try switching projects next to see if this is tied to the project, or my setup.
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

Most of us know nothing about screensavers, they are a waste of CPU cycles so we turn them off to put ALL power to crunching biggrin
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Coleslaw
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

Well...typically I would say keep the questions on topic, but to eliminate yet more posts asking about GPU work... Not all science apps can be ran on GPU's. With that said, the ones that can then require someone who knows how to program at least one of the multiple programming languages available now. CUDA, CAL, OpenCL, OpenMM, etc... Which language you are familiar with can make a huge difference on what cards you can use and the types of apps that can be ported to them. GPU processing is really still in its toddler stage in life. WCG has stated multiple times that it is up to the scientists to port their apps to GPU. If they don't have the resources and/or desire, then that is that.

Traditional forum etiquette in tech forums is to post your system details/specs. Those can give clues to the problem you experience. If you are getting GPU work from other projects, please post what other projects you are supporting. Not all GPU apps behave the same. Even projects with multiple GPU apps will experience different behavior based on which app you are running. If you are not running ANY GPU work, then the problem could be the CPU usage. Especially if you are actually using an APU. You should look and see if the behavior continues with LAIM (leave application in memory) is turned off.
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Re: Need Help with Reinstall Windows 7 64 Bit Black Screen after Install & Reboot

My project is Mapping Cancer Markers. There are no other projects.

My GPU settings are now turned off in two places, locally and on the WCG profile. Changing these had no impact on the screen saver issue.

I just tried turning off the LAIM setting and it had no impact to the screen saver issue.

My graphics card is a GE Force GT 620.

I am using Windows 7 Ultimate 64 bit. My CPU is an AMD FX-8350. I have 8 GB RAM.
[Dec 26, 2013 2:09:27 AM]   Link   Report threatening or abusive post: please login first  Go to top 
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