Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
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Got two video cards in this computer, one ATI FirePro 2450 which runs four screens and an NVIDIA Quadro FX 1700 which runs a further two.
Problem was also apparent on the previous dual head card which was an ATI FirePro 2270. (Overheated and was binned).
Basically whenever Firefox starts using lots of memory, a maximised screen will be black. You still get task bar on that monitor (running Ultramon so have a bar on each screen) and a title bar belonging to the app, but nothing between them.
Can solve it by closing a few windows. Also goes if the window is not maximised.
Sometimes does it with large windows which are spanned over a few desktops, did a comparison of some cameras on dpreview.com yesterday and it did it then.
No idea where to start, web search is difficult to get specific leads, nothing in ATI or NVIDIA support about it, nothing I can find about Firefox having problems (thinking software rather than hardware as it did it on the old card as well).
Drivers are up to date.
Running XP 64.
Other than that, not sure where to even start.
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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Are any of them overclocked? Got strange things like this running an overclocked ATI card a while back.
Id also consider a faulty block of RAM
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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Try running it with various sticks removed and see if problem goes
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evilrob
Premium Member
Registered: 16th Mar 12
Location: Your mum's house
User status: Offline
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Some kind of wonky system/graphics memory limit, maybe?
6 screens at I assume reasonably high resolutions at 32-bits per pixel all adds up.
[Edited on 14-11-2013 by evilrob]
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Dom
Member
Registered: 13th Sep 03
User status: Offline
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Does it only happen in FF? Or does it affect other applications?
Have you tried disabling hardware acceleration within FF? - might be worth a go.
Can you replicate the issue with another browser?
Assuming you've done the usual of updating drivers and FF etc?
Run GPU-Z and Task Manager and see if you're not running out of resources as it certainly sounds like a 'lack of' memory issue. Worth also keeping an eye on the temps of the cards and system, just incase something is getting a bit hot.
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
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Not overclocked.
4Gb of RAM which was the reason for going for XP 64
Monitors are all 1280 x 1024 x 32
Its not so much when you fill them, its when you have 25* windows open and open number 26*, it maximises black.
* - roughly
Never seen it in other apps but then I don't labour them as much.
Will try all the other suggestions, cheers.
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evilrob
Premium Member
Registered: 16th Mar 12
Location: Your mum's house
User status: Offline
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I don't know how Firefox deals with caching rendered pages but I imagine that many screens with multiple instances of Firefox and multiple tabs is going to be spanking resources.
I assume you already block Flash / have uninstalled it completely?
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evilrob
Premium Member
Registered: 16th Mar 12
Location: Your mum's house
User status: Offline
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As an aside - what happened to the flirting with Windows 7 idea? I'm sure I pointed you in the direction of 7+ Taskbar Tweaker to get a more familiar look and feel at one point?
http://rammichael.com/7-taskbar-tweaker
edit: I did - here:
http://www.corsasport.co.uk/board/viewthread.php?tid=651618&page=2
[Edited on 14-11-2013 by evilrob]
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