Vaio Z2 - Display Freeze and System Lock-Up due to Power Management Settings?

[beaups]

Originally Posted by Ashers

^ I always keep my VPC-Z13 in silent mode and never noticed any problems. What issues are you referring to?

Causes awful on-off throttling under any sort of load.

[Ashers]

^ I see. Thanks. I guess I don't really stretch the PC enough to notice it!

[AuVaioVai]

Maybe there is a transition problem when the computer needs to rev up from ideling. The CPU-Rate was always fairly low (under 5%) when my vaio locked up.

[Googaliser]

Originally Posted by fergali

I have the same issue but only when connected to the PMD (the new Z).
This happens on 2 seperate laptops connected to 2 seperate docks.
Someone else reported they had this problem but fixed it by disabling the power management on the network card - but this hasn't worked for me - still get the random lockups.

The solution I have at the moment is not to use the dock - which is now a very expensive paper weight!

Sony support useless.
All drivers and patches up to date.

These were factory installed builds.

frustrating!

@Fergali

I had exactly the same issue as you, having bought the Z2 a couple of days ago. I solved it using the following:

Under LAN controller properties (the PMD one - #2) - go to power management tab and uncheck the power saving option (as previously suggested by someone else).

Now, go to the ADVANCED tab

Set the following to "Disabled"

Energy Efficient Internet
Green Ethernet

I also changed the following to help performance wise:

Jumbo Frame - set to 9KB MTU
Speed & Duplex - set to 1.0 Gbps Full Duplex

If after making these changes, you can't see the network or internet - reverse the two performance ones above.

Good luck and let me know please if this fixes it, I know the frustration these things can cause.

Best, Marc

[fergali]

thanks for the suggestions Googaliser. The 2 crashing PMD's are at a client's workplace. I'll try these fixes out when I next visit and I'll report back.

Cheers

[Nukulas]

HI All!
I kinda have the same problem, although I don't think its the power management, since I already done all the suggested thing. And obviously updated all drivers, including reinstallation chipset and grafic drivers. This is the set-up:
Sony Z with Power Media Dock (PMD)
Windows 7 etc..

When i connect the PMD, everything is normal... but in the catalyst settings, it starts with the following set up:
AMD XGP Docking Station:
Choose whether to allow addition displays or accelerate the graphics performance of notebook displays.

It is on Allow additional display.
When I swich to Accelerate notebook displays (hence turn on the proper grafic card), the notebook works for about 2 min. fine and then freezes up... (no matter what i do, even if i let the notebook running doing nothing.

I tried all the ideas and settings that have been suggested here, all with the same outcome.

What strange is, is that i REALLY freezes up. when i hard boot the notebook and the PMD is still connecte it gives me really wierd errors, like, OS not found, or a Bluescreen or things like that...


Does anyone have a clue?? My guess is its the grafics card... or its drives.. but I can't think of anything that i could try to get it fixed...

[Nukulas]

I just did the following:
When I connect the PMD to my TV via HDMI, it also freezes up after 2 min or so. (It doesnt when the TV is connected straigt to the notebook)
Hmmm. Do you guys think this could be a hardware problem from the grafics card?

[Nukulas]

I don't know if this helps... But sometimes when i connect the PMD, the grafics card isn't being recognized at all... although i can access the blu ray player and the blue light is on.
I think i updated all the drivers, any guess guys??

[Nukulas]

Hiya.. just another update.
I installed all possible drivers out there (from sony website; SirRobins Link: http://www.vaio-link.com/cbcdl/VPCZ2_Gfx_driver.zip, and Catalyst 12.1 WQHL UnifL)
All with the following procedure:
"
1. you uninstall drivers regularly (via programs and features in Control Panel),
2. reboot and boot in safe mode (upon restart keep pressing F8 button).
3. Start Driver Sweeper (as administrator!) check Ati Display box and uninstall leftovers.
4. Another reboot, and regular start.
"

Still no luck, it freezes after a couple of minutes at the latest.

Then i can only hard boot, which gives me an error message 'operating system not found' until i unconnect the PMD.

After Windows loads, I get the pop-up, that I may have not unconnected the PMD correctly (pushing the blue unlock button etc)

Any ideas anyone? Really could need some help, this is driving me crazy.
Should I send in the PMD? Could this be a hardware failure?