T400 - serious graphical glitches while Hardware Virtualization is turned on in the BIOS.

While hardware virtualization is enabled in my T400, I'm getting serious graphical glitches (garbled graphics). This happens both when outputting to the T400's monitor or when outputting to an external display.
I actually don't have to do anything special to get the garbling to start - just booting Windows 7 and using it regularly will make it start to glitch.
Help please.

Pickaxe wrote:
Thank you for that link, it was very helpful.
The 'solution' of course, was far from satisfying (I'm experiencing Type B visual corruption). Especially considering the model I'm using is preconfigured - Lenovo shipped it with a 2GB+1GB DIMM.
It boggles my mind that Lenovo uses a configuration that is not fully compatible with the processor.
I don't find it so odd, most users will never use the virtualization feature. I personally have 3gb in my T500 and have used H-V with the ATI chipset and it works as it should, I've tried it with the Intel GPU and it is garbage but then again.. the intel 4500 is kinda garbage..
Thinkpad T500-2081 CTO | T9400 2.53GHz | 8 GB RAM | ATI HD3650 + Intel GM45 | 15.4" LED WXGA+ | Windows 8 | ATI Catalyst 13.1 (non-switchable)
Thinkpad 390x | PII 333 | 256mb ram | NeoMagic 256AV | SVGA LCD | OS/2 v4.52

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[Solved] Catalyst graphical glitches with dual head setup

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HpGrindsmyGears,
Do you want a 640GB or bigger?
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Hi,
Please refer to this:
http://h30434.www3.hp.com/t5/Other-Notebook-PC-Questions/HP-Pavilion-dv6-enabling-VT-x-in-BIOS/td-p/...
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Hi,
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Thomas Hanrath [MCT | Regional Lead Germany] |
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Microsoft Learning Blog |
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Freezing Macbook Pro. Graphical glitches and occasional 3 tones on start up. Hardware test shows no errors. Is it RAM or a graphics card on the way out, or software?

Recently my MacBook Pro has been freezing and showing bad graphical glitches. Multiple restarts eventually fix it and a couple of times the three tones break, three tones break warning has occurred on start up. From what I can find this is usually a RAM error but after doing a hardware check I get the response all is OK. This still happens after the check and I am unsure what the problem could be. Can anyone help? Could it be a memory issue, a hard drive issue, Graphics card issue (drivers are up to date) or is something up with the software. I also have a Bootcamp partition running Windows 7 too and this is a problem that presents itself there too.

Most likely to be RAM:
Beeps on startup:
1 beep = no RAM installed
2 beeps = incompatible RAM types
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Macbook pro retina graphic glitch

Hello,
I'd like to share with you my story with the problems I've had with my macbook pro retina 15' 2012 (with both intel and nvidia graphics) and ask for some help.
First of all, back when it still had Mountain Lion as its OS I already detected some graphic glitches. When I started the mbpr, 1 out of 5 times it would load buggy. The dock would shake whenever I move the mouse over it, exposé would lag a lot and eventually scrolling in Safari was terrible, incredibly shaky. Basically every animation on the OS went laggy or just at 10 fps.
However the performance in terms of speed and results was still OK. If I played a game I would detect no error whatsoever.
So after some months of ignoring it because I had work and couldn't take the mac to the store I decided to take it. It was getting worse as it started to happen more often than usual. By then I had already upgraded to Mavericks (no clean install, just updated) and the problem still persisted.
Visit #1:
After explaning the problem and being able to show it to the genius they took my mac. They called a couple of days after telling me it was a OS issue and they did a clean install of Mavericks.
So I took it home, reinstall everything from scratch, they told me it may be an account/user issue so I better not use time machine to recover anything.
After a month it started to happen again. I have to say that it happen after I had already installed everything quite some time before, not right after installing any particular app or while running any.
It would load buggy again 1 out of 2/3 times and it wouldn't stop until I restarted and if I was lucky enough it would load OK.
Visit #2:
I returned to the genius and explained again the problem. They decided that it had to be some graphic issue related to the intel or nvidia systems so they replaced the logic board.
Again a couple of weeks later I detected the problem again.
Visit #3:
Once more to the store, they were quite puzzled that even after replacing the motherboard it would still show the issue.
After doing some tests they decided to reinstall Mavericks. Once installed they found no issue so they decided it was solved.
After this I had to return once again because it turn out that they forgot to connect the keyboard backlight system and it wouldn't light.
Anyway, this time I decided to install only the absolutely necesary apps for my work. I even downloaded the newest versions of all of them (if they had newer). Most of those apps are from the Mac App Store and the ones that are not are absolutely famous and used by thounsands of people, not that I use alphas or betas of any app.
One important detail is that the problem was getting worse. Now every time I started the mac it would be buggy and it was extremely shaky, it was impossible to read while scrolling in Safari now. Sometimes when using exposé/mission control it would even show weird pixels on screen. Every time I had this problem it was worse, more shaky and more often.
Visit #4:
Being already a VIP visitor of the genius bar I went decided to solve the problem once and for all. I told them every detail, they saw the problem and I insisted on the software I had was completely "normal". They told me they would replace the screen, the logic board again and the IO just in case.
So imagine my surprise when I receive a call from the genius who was repairing my machien saying that after reinstalling Mavericks it showed no issue! I was furious. They insisted that it was some app I had installed and that I needed to install one app at a time, wait ONE WEEK and if nothing happens install the next.
They were not kidding aparently. After complaining I had no choice but to take my mac back and....here I am.
So my question (after the diary I've written, sorry) is:
Is this really being caused by an app I have installed? Is really an app capable of crash the entire animation system and only while in the OS UI and not in games? I've never had any app running on the background besides Fantastical (from Appstore) and Dropbox (updated).
I am listing the apps I had last time I resintalled everything:
1. 2Do (appstore)
2. Indesign CC
3. Appcleaner
4. Autocad 2014
5. World of warcraft
6. Dropbox
7. Evernote (appstore)
8. Fantastical (appstore)
9. Keynote, Pages & Numbers (appstore)
10. Pixelmator (appstore)
11. Sketchup 2014
12. Skype
13. Steam
14. The unarchiver
15. Transmission
16. VLC
17. iPhoto
So, 17 apps, which I believe are just a few. Is there any of those apps you think may cause any issue? I haven't installed anything yet. I am using my old macbook pro (which btw have every app I had in the buggy retina with no problem whatsoever) while I try to see if the problem persist while installing nothing.
I still don't believe it is a software problem. Since it appears every time sooner and with more "intensity" I suspect it might be hardware but I am no expert.
Thanks for any help or info you can share!

Go for a few day (2-3) without installing any apps. Then install AutoCAD 2014 first and run only that for another couple of days. See if the problems resurface. If not, go ahead and reinstall all software, making sure that you create a clone after everything's installed (try Carbon Copy Cloner - they have a few 30-day evaluation period, I believe).
If problems resurface, you'll know that it's hardware.
Good luck,
Clinton

Graphic glitch and freezing.

I had a graphic problem with my iMac 3 weeks ago, had to take it to an Apple repairer 3 hours away, there just isn't anyone closer, and have had it back for about 6 hours now. I got the Snow Leopard upgrade while it was away and have been looking forward to getting into it all. As soon as I got my iMac home I fired it up and straight away noticed a graphic glitch or something odd on my 2nd monitor, kinda looked like aliens from space invaders... This problem went away if I changed that monitors resolution or if I rotated the display, so I thought it might be a driver problem which should hopefully be fixed by upgrading to SL.
I attempted this upgrade, it seemed to go fine but when I finally got into SL I noticed that once again there were some space invader glitches, but instead of being huge and all the way across the 2nd monitor they were in 2 separate blocks 1 in the top left and one just slightly to the right from center at the very top, they were flashing green from time to time (just like before) but that was about all. After a few seconds all the icons on my desktop and also the dock icons screwed up, display as black and white lines, or weird colored blocks, or super pixelated and just pretty screwy.
I formatted from fresh doing Leopard (without updating fully to 10.5.8) then installing SL, same problem, I then tried installing just SL which worked as usual but still had the graphic glitches when hovering over or interacting this time, also there were some problems with the glitches showing over windows (I'll put a link to a screenshot of them at the end). I'm currently updating a fresh install of Leopard to 10.5.8 to then update to SL to see if that works.
I had a thought that it might be hardware, the logic board and graphics card were both replaced during the repair time, they said they tested it but on the repair form I got it just says 'restarted a few times with no problems' so I'm not sure if they even tested it very much.
It took almost 3 weeks to get my mac back today, and these problems are quite annoying, if I have to lose it for another 3 weeks because of this lack of testing I'm gonna be rather annoyed as I'm losing work because of it.
Anyone got ideas of what it might be? or just anyone else had this problem with SL or just Leopard? Any information would be great.
Screenshot of glitch while doing a google search:
http://www.xager.net/i/glitch.jpg

My old first gen macbook pro had a similar problem (under Tiger and Leopard), it was fixed. My current unibody macbook pro is doing this as well, I've only noticed it now under Snow Leopard.
I doubt it's a software problem, I've had similar issues in PCs when their video cards were running too hot. My current mbp gets these glitches when the system is under more load and so I'm sure its heat related. One time the heat and glitches got so bad the system just locked up.
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Hi everyone.
For a few days now (not sure whether it's been like this since the latest update) I have been experiencing serious playback issues and graphics glitches with Premiere Pro CS6. I'm on a Macbook Pro Retina.
Please see attached screenshot for reference. What happens is, I start Premiere - it works fine for a few minutes, but at some point things start to go wrong. The program monitor doesn't show anything anymore, even though the playhead is moving and I get audio.
Sometimes, either the program monitor or the source monitor displays some other part of the Premiere UI or even OSX Finder windows/ other applications like safari. What you are seing in the screenshot is a glitch showing a part of the source window within the program window.
Once this happens, there's nothing I can do but to restart Premiere.
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Premiere is becoming unusable for me at the moment, which is a serious issue since this is my primary NLE.
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Thanks for your help.

Welcome to the forum.
Make sure you have the latest driver for your video card, and if you're using hardware mercury playback, then make sure you have the latest CUDA drivers from nvidia. If that doesn't work, then please answer the questions here as completely as you can:
Adobe Forums: FAQ: What information should I provide when asking a question on this forum?
Jeff

1st gen Mac Pro graphics glitches and unresponsive

I'm not sure if this is related to
a) Snow Leopard
b) Safari 5
c) something else
but after recent updates I get graphics glitches, such as in Safari, lines across the browser window, not on particular content, it might be pure HTML (the old kind) and can be flash, or multimedia...
When using Final Cut (6) I get some weird graphics related errors from time to time, and after hours of editing suddenly my computer stops, becomes "frozen" (I have the clock in the menu bar set to show seconds and they stop) I have to do a hard-reboot to get anything back.
And the thing that happened now, which makes me post this thread is I was doing some web development, while watching some iTunes U movies, suddenly I had green graphical artifacts over the screen(s) and the computer froze.
Is anyone else out there experiencing this, perhaps found the source of the problem ?
My console reports 2 things that doesn't seem too "serious" TimeMachine finished doing a backup successfully and mDNSresponder got a "Bad DDNS browsing domain: (unknown)" just before the latest break down.

Sorry you're having this issue. It is a common issue and I have it as well. I ended up replacing my card which fixed the problem but, after 6 months, the problem is back.
There is something nasty with the Mac Pro's and graphic cards it seems. My first card was a NVIDIA GeForce 7300 GT and now I'm having trouble with the ATI Radeon HD 2600.
I'm trying to get to the bottom of the problem... no luck so far... I'm not interested in replacing the card if it's going to happen again 6 months down the road and I'm not interested in buying a new computer either.
Any luck with your problem?
Saki

Weird graphical glitch - Aperture 2.1.1l

First, my system configuration is as follows:
Mac Pro (original 2006), OS X 10.5.4
ATI Radeon X1900XT with two monitors (24" 1920x1200 flat panel, 17" 1280x1024 flat panel)
Nvidia 7300GT with one monitor (17" 1280x1024 flat panel)
4GB of RAM
2x 250GB SATA hard drives.
Here's the problem. When I use Aperture, I frequently get a black screen in the photo area when I start editing a photo, particularly the levels control. I cannot see the photo once I start editing it, and when I switch to other photos it either randomly goes black or displays the photo with really bad color distortion.
If I export the photos and open them in Preview they look fine. It's only while being edited in Aperture that they look messed up. Also, if I use the fast preview feature (P to toggle it when browsing) the problem goes away. But of course this keeps me from adjusting photos which is the primary purpose of Aperture!
Has anyone else seen this problem? It's maddening that I spent $200 on this software and it has such obvious graphical glitches.
Thanks for any insight anyone can provide.
-John "Zorin" Flynn

Your post got me to thinking, and I started fiddling with the displays.
When I unplug the 17" flat panel from the Nvidia 7300GT card, the problem goes away. It only seems to happen when that display is active.
It doesn't seem to matter how I connect the displays, if the head on the Nvidia card is activate the problem manifests.
So there's some sort of conflict between the video cards. This is odd, because *everything else* on the system works great. Heck, I like to drag playing videos off onto that head and it works beautifully.
Oh well, guess I'll have to unplug the monitor whenever I use Aperture until the bug is fixed. Still very annoyed, as it's all Apple hardware and shouldn't have these problems. What happened to "It just works"?

T400 won't boot while on battery

Title really sums it up. 3-year-old T400 boots up fine while on AC power, but on battery power, no lights light up or anything when I press the power button. Initially I thought it was the battery, but the brand new 9-cell battery I ordered didn't change anything.
When I open the Power Manager, it says the original 6-cell battery has 0.0 Amps and 11 V. Says the same thing about the 9-cell battery. I'm prepared to bet against Lenovo shipping me a dead battery, but anything's possible. I've tried uninstalling the power manager and reinstalling; same thing. I've tried resetting the CMOS/backup battery. Only thing I haven't tried is a BIOS rollback. Currently using the 3.22 version.
System Specs:
t400 w/ T9400 CPU and switchable graphics
Win7 x64 Pro
Any suggestions would be very helpful. I would call Lenovo support, but most of what I've found on here points to them not being helpful unless you're under warranty (which I'm not).
Thanks.
Solved!
Go to Solution.

hey AndyV,
welcome to the forums.
Either the battery is dead or the terminals on the motherboard is not detecting the batteries at all.
If you have any friends who has a ThinkPad system that uses the same time of batteries of yours, test it out.
another thing you could try is to use this hardware maintenance manual >> http://support.lenovo.com/en_US/guides-and-manuals/detail.page?DocID=UM001058
open your unit, clean up any grime and dust. Put it back together and hopefully you'll be able to use your unit with the battery attached
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IMac crashes on startup or freezes with graphical glitches

Hi,
My early 2009 24" iMac suddenly crashed a few days ago, while browsing on the internet with no major app running. It did so with graphical glitches, like coloured dots. Since then, it would always shut down suddenly every time I restart. It shuts down right after the Apple logo and the wheel, once even reaching the user selection screen for a second, then shutting down before I could even move.
I started it in safe mode and ran all the checks, it says the volume is fine. When checking disk permissions, it did give me a few error messages but let me do the repairs. Weird thing is when I ran the disk permission verification again it showed me the same permission, as if they hadn't been repaired.
Now I backup everything and tried to reinstall OS X but to no avail, it kept doing the same thing.
So I formatted the disk, zeroed it out and reinstalled Mavericks. Same thing keeps happening, which seem to indicate some kind of hardware failure, right?
On one occasion it did start up but after a few seconds it froze, with heavy glitches (see picture attached - sorry it's upside down but it doesn't make a huge difference anyway!).
I upgraded the iMac with new RAM a year ago or so, and 2 years ago it had a hard drive failure, so I replaced the HD. Never had any problems in general, apart from when I had to replace the HD of course. It's always been very stable and well behaved.
Any idea what the problem could be? I'm not looking forward to having to fork out £1500 for a new one...

http://www.apple.com/uk/legal/statutory-warranty/ may be worth reading before you visit Apple. I don't thibk you'd be the first to argue that an expensive, quality computer ought to last more than 5 years, albeit that say, mechanical hard drives inside might need replacing.

T400 - serious graphical glitches while Hardware Virtualization is turned on in the BIOS.

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