Correct motherboard for V3-772G - 747a8G75Makk

Hi all,

The motherboard of my Aspire V3-772G - 747a8G75Makk - model VA73 died, and I need to buy a replacement. After some researching from AliExpress I think the correct MB part number for my machine is NB.M7411.001 (with GT750M gpu), but could someone please confirm this, or correct me if I'm wrong.

I also see that there are motherboards NB.M8S11.001 (with GTX760M) and NB.MMB11.001 (with GTX 850M) available for not too much extra money. Are these also compatible with my machine or is it likely that I run into problems with anything other than the original MB model? I'm mainly thinking about possible cooling issues with a more powerful gpu.

Thank you very much in advance!

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juhas

The machine has 8 GB of RAM and the Nvidia GT 750M has 4 GB of VRAM.

Just to remind you: Subnautica, and other bigger Steam games, load and work when using the integrated graphics. So the not-loading/freezing/bluescreening is related to the Nvidia, but clearly not a temperature issue.

JackE

Agreed but when some heavy hitters see the nvidia card and all that rendering VRAM, the games may go full bore on loading other stuff up in system RAM to be able to effectively use it. So it's not just a matter of the graphics adapter & VRAM. The game may in fact need more RAM to load up. For this reason, the G model has 4 slots to accomodate up to 32GB RAM. Your's probably has a single 8GB DDR3L module. It might be worth trying another matching 8GB module since it also supports dual channel speed enhancement. Jack E/NJ

juhas

OK, that makes sense... but still... the machine didn't have any such problems with the original motherboard, with same amount of RAM and same GPU.

JackE

Same game version too? I assume something like subnautica would be continuously improved and thus gobbling up more resources to run. Jack E/NJ

juhas

Ah, that's true of course, the game is constantly updating... OK, I might try to add more RAM.

juhas

Hi JackE,

I added another 8 GB module and checked with CPU-Z that the two modules are running in dual channel mode. But it didn't have any effect on the main problem; the heavier games still cause freezing/crashing/bluescreening when using the Nvidia gpu; Intel gpu works OK.

Juha

JackE

>>>Subnautica, which this time didn't make the whole machine freeze, but didn't get past the loading screen. Also here, when the game was trying to load the temp went up to 50 but not higher.>>>

Did Subnautica at least get by the loading screen with 16GB?

The constant high fanspeed is troublesome. Are there any non-Microsoft virus scanners running in the background? Jack E/NJ

juhas

When I try to start Subnautica using Nvidia gpu, one of these three things happen:
- The machine freezes a few seconds after the game's loading screen appears, and there is no other choise but force the machine to shut down.
- The loading screen appears but just stays there forever saying "loading...". It just stays like that, playing the game's background music, but never advances to the next stage, the game selection screen.
- Sometimes the machine gives a blue screen with video_scheduler_internal_error right when the loading screen should appear.

Having tested a few times after adding the second RAM I have not yet got a bluescreen, but one or the other of the two first things have happened every time. So, to answer your question: no, the game doesn't get by the loading screen even with the 16 GB.

Yes, I have Norton Security. It might be worth testing if disabling it would have any effect on the fan behaviour, but I don't know any way to do that, other than uninstalling the whole Norton. It does give the option to disable the firewall and autoprotect, and I tried that, but doing so didn't affect the fan. But I'm sure there are still some other Norton services running in the background even in this disabled state.

JackE

>>>I have Norton Security>>>I'm sure there are still some other Norton services running in the background even in this disabled state.>>>

Yes, agreed, that's why non-Microsoft background scanners should be uninstalled, not just disabled or hobbled. They do leave system imprints that will continue to be an added complication in troubleshooting. I know we've tried DriverBooster already, but you might want to at least try the DriverEasy suggestions on looking for lower level disk corruption with chkdsk and the Windows file system scanner. https://www.drivereasy.com/knowledge/video-scheduler-internal-error-on-windows-10-solved/ Your decision to try DriverEasy if no corruption is found. It's possible that it might find something that DriverBooster missed ---- I doubt it though Jack E/NJ

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