Toshiba Satellite monitor blacks out...CRASHES..Randomly..help!!

This is happening a few times a day the monitor goes black Ive tried alt, ctrl, del...wont come on and comp wont shut off I have to hold down the on button aprox 10 sec to turn it off then turn it back on in
START WINDOWS NORMALLY mode. Ive done a full microsoft sec scan..no prob found..I did check ths comp for new solutions to prob..none..had Mr fix it check everything..nope..Used memory diagnostic tool..no prob..defragged, cleaned, checked for new updates **bleep** Ive done it all! I should just become a tech after all this can anybody help me????

Are you able to determine whether the machine has locked up or is it just the monitor does not come back on. I had a machine that when docked, when the monitor power timed out and turned off the monitor, it would not turn it back on. I realized that the OS was still up and running, so I could "keystroke" <Alt>+<F4>, restart the machine, which was the only way to get the monitor back on. Does this seem to occur at some set interval or period of inactivity. You might first try disabling all monitor and power saving setting and even disable any screen saver to see if this helps. If not, reboot the machine into "safe-mode" and see if you can reproduce the error. At least this would strongly suggest a software issue. If you cannot reproduce the error in "safe-mode", next try removing as much as you can from startup and then do a normal boot and see it if re-occurs.
Rick...

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MAx

Originally Posted by ammtosh
I would try the French service, Toshiba is an international company. If you have a problem with your Italian car in France you go to the French workshop...
Yes maybe you are right. Still, annoying not being a fluent French speaker to have to deal with them.... and with 90% possibility that they'll say "if you bought in Italy you should talk to them". I'll try.
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Monitor blacks out when booting with KVM Switch in the middle

Hi
I have attached my Xserve with an iMac G5 to a KVM Switch. When I boot up the Xserve the monitor blacks out after the apple logo.
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Originally Posted by ammtosh
I would try the French service, Toshiba is an international company. If you have a problem with your Italian car in France you go to the French workshop...
Yes maybe you are right. Still, annoying not being a fluent French speaker to have to deal with them.... and with 90% possibility that they'll say "if you bought in Italy you should talk to them". I'll try.
PS: another ridiculous thing: you buy a product that has a problem, and you need to pay to call the support service? Really not acceptable....
The dark side is strong.... actually, I start wondering which is the real dark side. Theory of relativity!

Monitor blacking out and flickering MacPro1,1

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Graphics NVIDIA GeForce 7300 GT 256 MB
For a couple of months now, my monitor periodically blacks out for a second and/or flickers. Sometimes it gets really bad and I just have to shut down.
There was some dust buildup inside machine; it has been cleaned, still having problem; have tried reseating video/graphics card.
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THANKS SO MUCH!

Most graphics card that old have died of overheating a while ago.
RE: Mac Pro silver tower (2006-2012) Replacement Graphics cards
1) Apple brand cards,
2) "sold in the Apple store" cards, and
3) "Mac Edition" cards ...
... show all the screens, including Boot up screens, Safe Mode, Installer, Recovery, debug screens, and Alt/Option boot screens. At this writing, these choices include:
1) Apple brand cards:
• Apple-firmware 5770, about US$250** works near full speed in every model Mac Pro, Drivers in 10.6.5. (This card has just been discontinued and is no longer available from Apple dealers. There may be some new, old stock still available at resellers)
• Apple-firmware 5870, about US$450
2) "sold in the Apple store" cards
• NVIDIA Quadro 4000 Fermi, about US$1200
• NVIDIA Quadro K5000 Kepler, about US$2500
3) "Mac Edition" cards -- REQUIRE 10.8.3 or later:
• SAPPHIRE HD 7950 3GB GDDR5 MAC Edition, about US$480** Vendor recommends Mac Pro 4,1
• EVGA GTX 680 Mac Edition, about US$600
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If you are Meet ALL of these:
• running 10.8.3 or later AND
• don't care about "no boot screens" etc AND
• can re-wire or otherwise "work out" the power cabling, THEN:
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One more thing--
Flashed PC cards: There are a good many EFI flashed cards that offer boot screens and behave like official cards. "for more information about using and flashing non-Apple cards, please check out the various sites like Netkas (and others) that focus on and discuss what is known and available. (Not supported or endorsed by Apple.)"

Toshiba Satellite C655D-S5130 frequently crashes

I have a Toshiba Satellite C655D-S5130 (Windows 7 Home Premium SP1) and it frequently crashes. Antivirus doesn´t detect problems.
Most of the computer crashes occur because the network adapter is disabled often without my intervention. Please see the attached files.
However, sometimes the system crashes without this problem occurs with the adapter
Can you help me?
Attachments:
_C__Users_oolivaresf_AppData_Local_Diagnostics_460911090.pdf ‏188 KB
ipconfig.all.txt ‏5 KB
route.print.txt ‏4 KB

Bug Check 0x116: VIDEO_TDR_ERROR
Caused By Driver : dxgkrnl.sys                   <-- DirectX Graphics Kernel
Try reinstalling the display driver.
   AMD Display Driver
==================================================
Dump File         : 040615-39281-01.dmp
Crash Time        : 4/6/2015 12:05:42 PM
Bug Check String :
Bug Check Code    : 0x00000116
Parameter 1       : fffffa80`05469010
Parameter 2       : fffff880`03e61fb8
Parameter 3       : 00000000`00000000
Parameter 4       : 00000000`00000002
Caused By Driver : dxgkrnl.sys
Caused By Address : dxgkrnl.sys+5d134
File Description :
Product Name      :
Company           :
File Version      :
Processor         : x64
Crash Address     : ntoskrnl.exe+74ec0
Stack Address 1   :
Stack Address 2   :
Stack Address 3   :
Computer Name     :
Full Path         : C:\Test\040615-39281-01.dmp
Processors Count : 1
Major Version     : 15
Minor Version     : 7601
Dump File Size    : 1,700,064
Dump File Time    : 4/9/2015 9:07:23 AM
==================================================
-Jerry

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Hey guys,
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You might want to try any other suggestions in this article that you haven't already tried:
What can I do if my Windows 7 or Windows Vista laptop won't start?
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Here's the Console Log from the time when it last happened:
7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
7/6/13 8:23:24.436 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.436 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.437 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.437 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.437 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.438 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.438 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.438 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.438 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.439 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.439 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.439 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.439 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.440 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.440 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.440 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.440 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.441 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.441 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.441 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.441 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.441 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.441 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.442 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.442 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.442 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.442 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.442 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.479 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.480 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.480 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.480 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.480 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.480 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.480 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
7/6/13 8:23:24.711 PM loginwindow: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
7/6/13 8:23:24.711 PM loginwindow: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
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Did some further troubleshooting today, and wanted to share for anyone looking for solutions.
Tried both DVI and DVI-RGB connections (different cables) on the Syncmaster monitor and symptoms were the same.
Tried DVI-RGB into my Epson EX5200 projector - NO SYMPTOMS.
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Monitor blacks out

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Temperature sure is OK. You have seen the other topics on this subject, like this one, I suppose? Looks like a difficult to diagnose issue...

Toshiba Satellite monitor blacks out...CRASHES..Randomly..help!!

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