Video RAM problem

Since a few weeks my Imac has started showing some instable, annoying black dots. In addition, sometimes the desktop gets monochrome (but not all, only partially) and flashes.
I've tried to understand what the problem is. Tech tool deluxe closes as soon as it starts to scan the video RAM. Is it possible to reset the VRAM?
Thank you

. Is it possible to reset the VRAM?
No.

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Satellite 320 CDT video ram problem

Hello
I have an old Satellite 320 CDT laptop with a display problem.
It works ok but display is abnormal. It does special effects (moving zebra style, especially in 32 bits display mode).
The same problems happens with an external monitor.
I am looking for replacing the video ram IC because i'm nearly sure it is the problem.
First step i need to open the laptop. I've removed the battery pack, the hard disk and all the screws but i can't open it.
What is the correct method to do this ?
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Hi Pascal
To be honest I think there is no sense in doing that.
The point is that your issue could be related to the faulty graphic card and the graphic card chip is fixed on the motherboard. Mostly its not possible to remove this chip and therefore the whole motherboard must be replaced.
I think its better to search a little bit for the similar notebook on eBay.
A second hand notebook would be much cheaper as a new motherboard for the Satellite 320CDT
Regards

Symptom: iBook typing by itself. Diagnosis: Video Ram Error

My ibook types by itself sometimes.
If I run the Apple Hardware Test when the computer is fine then the computer will pass the Apple Hardware Test.
But, if I run the Apple Hardware Test when the computer is malfunctioning then the computer will fail the Apple Hardware Test.
Here is the error message:
Video RAM Error detected
**ERROR*CODE***ERROR*CODE**
2ATI/2/4: 113-xxxxx- 1 42
**ERROR*CODE***ERROR*CODE**
Is there any genius out there who has a solution?
I already took my computer to an authorised Apple Service Centre, they told me that I should replace the logic board.
I live in a developing country. A new logic board is too expensive for me.
ibook G4 Mac OS X (10.3.7)

I'm guessing you actually have two problems. A video RAM problem and a keyboard problem. I can't believe a video RAM problem would reveal itself by typing. The keyboard can be replaced easily, it's a user-replaceable part. I might try to get that replaced first. It shouldn't be too expensive. However, this will not fix the video RAM problem you've detected. You will need to replace the logic board to get that fixed.
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i wonder, since the videos get loaded into ram, and play from there instead of the HD, could i have a ram problem?
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Can you give some details on your system - What version QT, RAM, free space on HD, etc?
sorry, thought that was in the footer of the message.
iMac G5, 20, 1.8Ghz, 2GB Ram OS 10.4.3
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Tool Tech Video ram says failed ....hardware test shows fan problems...in reference to error 4MOT/1/0000003:HDD
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My computer listed as having failed the VRAM test as well, but when I installed the Tech Tool software, it gave me the warning that the results of the test were not yet reliable for 10.5 and it might not test correctly. I've had none of the problems the the VRAM failure listed, and assume it's just an issue with the new OS and Tech Tool not being on the same page yet. PS: I love my Mac...but don't we all?

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Hi, i have a problem with the video signal. At random times when i boot up my computer, the computer would power up but there is no signal to the monitor. there is no hdd activity (via the hdd led) and nothing seems to be happening just that the fans are whirring. i have to unplug the computer then plug it again then turn it up again which sometimes repeats the problem. This is very irritating! So i did a little bit of troubleshooting:
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3. upgraded from 1.9 to 2.0 BIOS. still the same problem
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BTW, the board is 865PE-Neo2 - S. on a Intel 2.6Ghz C, 512MB TwinMos ram with m-tec chips, 80gb hdd, enermax 300w psu
so ive' solved the problem, and i just wanted to point out that there is a problem with 1.9, 2.0 BIOS. (havnt tried the 1.8 tho)

Wish I had seen this thread 2 weeks ago, but you did save me from buying a new graphics card. That was the last step (before chucking this mobo completely) in my attempts to fix the same problem. It didn't bother me too much, except I also couldn't get any DVD player (tried 3) to work. Would boot sometimes and at others gave a blue screen video error.
Flashing to bios 1.7 was the only thing that fixed it. Tried different memory, updating software, various combinations of drives, etc. For the record I tried bios 1.8, 1.9, 2.0, and 2.1. Not sure what about those updates causes problems but there definitely is something wrong.
Thanks.

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I ran Techtool Deluxe after having installed OS X Lion. When it gets to the Video Ram test it quits. If I disable this test all is fine. What's wrong with testing video ram on OSX Lion?
Thanks.
G

Same problem. I've been having a lot of weird issues ever since Lion. Safari has crashed about ten times in the last two days and my mac keeps logging off all by its self. It seems that Techtool Deluxe and Lion don't go well together...when it starts it says that it hasn't been tested with Lion, and they no longer include it with AppleCare, so it seems that apple has discontinued the application. I'd say that from here on out, Techtool Deluxe will simply be a memory of the past...so probably just don't use it anymore.

Video ram failure?

My 6 year old iMac/PPC running 10.5 may have died. Without warning the screen went blue, and nothing would change that. I did the Apple Hardware Test from DVD and everything passed, inc. video ram. I zapped the PRAM. I went to restart, the Apple logo and spinning wheel appeared, but then the screen went to a mottled white, and after a while black.
Any idea what the problem/solution may be?
Thanks,
JC

The tech seemed convinced it was a failed graphics processor, and not worth repairing. Does this seem likely/reasonable?
A failed iMac graphics chipset (processor and VRAM together) requires a total logic board replacement as the video hardware is integral with and soldered to the logic board. Therein lies the high cost of repair to which the tech alluded.
Is this a G4 or a G5 iMac? That might make a difference in the "fix or toss" decision process. The G5 is more capable that the G4 and would be worth having a little more money thrown at it.
If there is a compelling reason to keep this iMac (like mission-critical software or hardware that won't run on a newer Mac, then you have to give weight to the "fix" scenario. However, the G-sereis Macs are becoming more handicapped every day as web sites and developers focus on the Intel processor that Apple adopted nearly six years ago. You cannot upgrade the OS past 10.5.8 on a G-series, and new software seldom supports the PPC processor. Neither can you run the latest versions of Flash that is powering so many web sites.
So it comes to "what tasks do I do with this computer?" I used a nice old G4 PowerMac tower (circa 2004) well past its useful stage and just recently picked up a 27-inch iMac i7 Quad core as a refurb directly from Apple. I'm sometimes asking myself why I waited! I feel like I've stepped from a pushcart to a Ferrari.

Mac Mini RAM Problem

Hi to all!!
That's my (new) problem:
after an incredible reanimation of my "dead" Mac Mini (it wasn't turn on at all except the white LED at the front), now the system can't read the total amount of installed RAM Memory.
This Mini has installed 512MB in 2 banks of 256MB each. I'm sure of this because I opened the Mini and I seen this 2 banks. But:
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- in Windows, system recognizes only 224MB and Intel Video Card see 32MB of video memory instead of 64MB
Other details:
- Apple Hardware Test DOESN'T reveals any problem!
- Windows memory diagnostics (from Windows Vista install DVD) also DOESN'T reveal any problem
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This Mini has been previously repaired from an Apple Center for the same problem, and they have replaced both RAM banks. It's possible that, again, RAM banks has became faulty?? And, over all, that 2 faulty RAM banks DOESN'T cause any Kernel Panic or Windows 's BSOD???
If it can be usefully... also the built-in Wireless Card has stopped its work, in Windows and in Mac OS X: WiFi card is seen from the System but any WiFi Network is found....
Please help me!!
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Your best bet is to get the RAM replaced by high quality to spec RAM*:
http://www.macmaps.com/badram.html
If the same RAM tests fail again, then you can likely suspect the RAM slots themselves were never repaired.
- * Links to my pages may give me compensation.

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Hi,
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I tried to reset the parameter ram, it does not help.
I have heard of a power supply problem that can cause that problem. Is that right? The computer serial is: W8446APAPP7.
Can anyone help?
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Philippe

Here's a simple test case I've made, it's just a bunch of lines drawn in an orthographic OpenGL view. When you scroll horizontially with scrollbars or by space+dragging, the effect is very noticeble.
The .app and source are available here:
http://www.johnpsimons.com/mac/TestApp.tgz
http://www.johnpsimons.com/mac/TestSource.tgz
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Video Ram using windows

hy everybody i've got a question.
I recently bought a brand new iMac (27' 3,4 i7 4GB Video Ram 8GB cpu ram 1TB fusion drive). I need to install a win programm which needs at least 3 GB of video ram.
i tried with parallels desktop 8 but it said i can only virtulize 1GB of video ram.
i wonder if anybody got my same problem, should i use boot camp or any other program?
i can't stand to wait a mac version of that program or any other program, i've got 4 gb of video ram and i want to use them!
thank u very much and sorry for my not perfect english!
Apple rulez!

From what I know, that game doesn't require 3 GB of VRAM, so you should be able to install it on your Mac with Boot Camp.
First, get a 64-bit Windows 7 and 8 version, and follow these steps to install Windows > http://manuals.info.apple.com/MANUALS/1000/MA1636/en_US/boot_camp_install-setup_ 10.8.pdf Then, install the game

TechTools Deluxe (Re: Video RAM and reinstall)

I have the annoying screen inverter/logic board whine (yes I know this has been talked to death here), sometimes not so bad and sometimes I can hear it over a desktop PC is the bearing going out in one of the fans. I happen to be visiting family in a city with an Apple Store this weekend, so I thought I would talk to a real person face to face. Anyways, I ran the TechTools Deluxe CD that I received a week of so after I got my MacBook Pro. To see if there was anything else besides, my whine to mention to them and will you look what came up
Video RAM
Failed
Video RAM, as all components of your video circuitry, must be fully functional for graphics to be properly displayed. Damaged VRAM can cause missing bits, screen noise, system lock ups, or freezes. TechTool Deluxe tests the VRAM on the Macintosh main logic board, as well as some third-party video cards.
If the VRAM test should fail, try these steps in order and run the test again after each step:
o Quit all other applications.
o Restart the system.
o Check any recently-added hardware for proper installation.
o Run the computer from another volume (if available).
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o Contact AppleCare.
I have done everything except reinstall the OS and contact AppleCare.
Anyways I wanted to know first of all if anyone else had gotten this error and if so did a reinstall fix it? Secondly how hard is the reinstall, I come from years and years of DOS, 3.1, 95, 98, Me, and XP, and one thing all of them have tought me, is reinstalls are horrible, drivers don't work again, ect. So is OSX easy or should I just ask them to look at it this weekend?
Oh and the Apple Diagnostic on the OSX cd 1 says everything is fine.

Well the apple test (on disk 1 of OSX) states that nothing is wrong. Though I will test again when the temp gets high since some people had been detecting problems.
as for 10.4.6 I downloaded it the other day.
I repaired the permissions had a couple things that it corrected (I don't know if I posting them would do any good) Out of curiousity how to permissions get incorrect? I'm so used to the windows file structure and DOS before that that i am a little confused. The last apple used alot before this macbook was an old Applee IIE.
and the TechTools still says there is an error, every time I have run the test. Though there have been some differences when I reboot or turn of and wait a second and then restart.

Video Ram loss in Windows 7 64bit (bootcamp)

Hello Mac gurus.
I currently own the latest edition of IMac 21.5" 2.5Ghz Quad-core processor desktop. I had partitioned my HD with Snow Leopard and 32bit Windows 7. While running that, I showed the full 512mb Video Ram on my card. It even showed upwards of 1Gb whenever I did "tests" at canirunit.com.
I recently replaced the 32bit Win 7 with the 64bit version to increase Ram output, etc... However now whenever i run it through the same website it only shows 229mb of Video Memory. I also did the "dxdiag" on the start menu of Win 7 and got the same result.
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Hi, I have same problem with my Sandisk 8 Gb Ultra. I've tried plenty driver but stil didn't work. Then I found this page: http://forums.sandisk.com/t5/All-SanDisk-USB-Flash-Drives/Sandisk-Cruzer-not-rec ognized-by-Windows-7/td-p/233208. They said Sandisk have problem with Windows 7, and you can try their method to make it works. I'm not yet trying it, but I've tried changing sd card with my other sdcard (micro sd actually, with adapter, branded V-GeN) and it works with original Apple broadcom sdcard driver (from bootcamp assistant). So the problem not with Apple or SD card reader, but with Sandisk and Windows 7. So, do above method, or change your sd card, or change your OS, til solution come up with this.
PS: There is other solution. Just open your sandisk card on Mac, then copy your file to Mac partition, then you can open it from Windows 7 (to modify, you have to copy it to Windows partition first). And vice versa.

Missing video ram

I have a 1ghz Titanium G4 with the ATI 9000 mobility 64mb video ram. OSx 10.3.9 1gig ram
Recently I have discovered that the system profiler lists my total video ram as 32 mb. My overall game performance seems diminished when playing graphically intense games such as Unreal Tournament 2004.
This discovery seems to have occurred around the same time that I had a battery charging problem which I have since fixed. My system has also been suffering increasing freezes upon wake from sleep or screen saver.
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Hi, pioche. A 1GHz Tibook certainly ought to have 64MB of VRAM, and if it doesn't, the only reasonable conclusion is that the missing half has failed. It's all soldered onto the main logic board, so the remedy is to replace the board. Of course another alternative might be to avoid asking too much of the remaining 32MB, and thereby save quite a bit of money. That's what I'd do if there weren't any other signs that might point to a larger failure of the LB, but it sounds as though yours may be on its way out. Have you run the Hardware Test CD that came with the Powerbook?

I'm having video playback problems in the timeline, Premiere Elements12

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