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Hello, ive never had this issue with a forza game before, ive spent over 200 hours in FH3 and close to 100 in FM7 as well as a few hours in FH2 (refunded because dlc didn't work, according to support the marketplace shutdown for that game) but with this game, im driving and all of a sudden there are massive chunks of the world missing, then i drive through it and 95% of the time i get stopped and an error message saying "Low Streaming Bandwidth. the game has detected steaming delays, this might be caused by limited disk bandwidth or limited cpu resources" i have 2 Hard Drives and 1 SSD, i have a 1td hard drive that just kinda sits there, a 2tb hard drive (western digital black) that has all my games on it and a 250gb samsung 850 evo for operating system. i've tried the solution provided on this thread posted about 2 weeks ago (https://forums.forzamotorsport.net/turn10_postst131906_Terrain-failing-to-render-disappearing-invisible--PC.aspx), i've turned vsync on, set monitor refresh rate to 60hz when its normally 144hz and put in game fps setting to 60fps but i still experience this issue.

Specs:
Intel Core i7-6700
Gigabyte GeForce GTX 1060 Xtreme Gaming 6GB
16GB HyperX Ram
2x Acer KA270HA 60hz
Main Display: Acer Predator XB271HUA 144hz
1x Seagate Barracuda 1TB
1x WD Black 2TB
1x Samsung 850 evo 250gb

it'd be great if this can be solved in some way, thanks in advance

I have the exact same issues.

The settings are all maxed out on 4K without locking the FPS through Refresh Rate or VSync.

Specs:
CPU: Intel Core i7 7820X @ 4,0 GHz
Mainboard: MSI X299 GAMING PRO CARBON
RAM: 32GB Corsair Vengeance LPX DDR4-3000 DIMM CL15 Quad Kit
Graphic Card: EVGA GTX 1080 Ti FTW3 12 Gbps Elite Gaming
Drive 1 (OS): Samsung SSD 850 EVO 250 GB
Drive 2 (Games): Samsung SSD 850 Pro 1 TB (<- Forza is installed here)
Drive 3 (Data): 3000GB WD Blue WD30EZRZ
Drive 4 (Temp): 3000GB WD Blue WD30EZRZ
Power: 650 W be quiet! Dark Power Pro 11
OS: Windows 10 Pro (64-Bit) + All Updates till September
Driver: 411.70


Regards
ReCOiL1313

I also have the exact same issues. This is a serious issue which impacts gameplay a lot and needs to be fixed now please.

The settings are also all maxed out on 4K 2X AA without locking the FPS through Refresh Rate or Vsync (tried locking FPS to 60 but it still happened)

Specs:
CPU: Intel Core i7 8700K @ 5.0 GHz
Mainboard: Gigbyte Z370 Aorus Ultra Gaming
RAM: 16GB DDR4
Graphic Card: Gigabyte GTX1070 OC
Game Installed on : SSD Kingston 480GB

Edited by user Thursday, September 27, 2018 10:00:41 PM(UTC)  | Reason: Not specified

Also running into this. There was a bit of it with the demo, but it seems significantly worse in the full release. I'd imagine the streaming part is getting data off the drive, but it's a Samsung Evo 960 NVMe SSD, which seems like it'd be on the pointy end of data transfer speed. Preset is at Ultra, using G-sync.

Specs:
Intel Core i7 7700k
16 GB DDR4
GTX 1080
Game is installed on a Samsung Evo 960 NVMe M.2 SSD, Windows on a Samsung 840 SATA SSD.

Hi i have same issue, need some help since i cant Free-roam in game at all beacuse every 5-6 seconds into high speed driving the car stops and warning of low bandwich

Speccy
Operating System
Windows 10 Home 64-bit
CPU
Intel Core i5 7600K @ 3.80GHz 62 °C
Kaby Lake 14nm Technology
RAM
16,0GB Dual-Channel Unknown @ 1070MHz (15-15-15-36)
Motherboard
ASUSTeK COMPUTER INC. STRIX Z270G GAMING (LGA1151) 38 °C
Graphics
2460G4 (1920x1080@144Hz)
ASUS VN247 (1920x1080@60Hz)
4095MB NVIDIA GeForce GTX 1070 (EVGA) 72 °C
Storage
111GB Samsung SSD 650 120GB (SATA (SSD)) 38 °C
111GB KINGSTON SV300S37A120G (SATA-2 (SSD)) 32 °C
931GB Seagate ST1000DM003-1ER162 (SATA ) 31 °C
931GB Western Digital WDC WD10EADS-22M2B0 (SATA ) 34 °C
Optical Drives
No optical disk drives detected
Audio
Realtek High Definition Audio

I had this issue too. My specs like everyone in this thread are very good and I have the game installed to an SSD drive. When I get a chance later tonight I'll post some benchmark results. I also read the thread that OP referenced where people who were playing the demo they had this issue and fixed it by changing refresh rate to 60hz, maybe messing around with vsync settings. I'll try that later tonight when I get a chance as well.

I'd like to see this fixed, never had problem in FH3 with going over 60hz if that is indeed related to the problem. I sure don't believe it's CPU or disk bandwidth related as the message said.

Same here. Pease fix.

Dropping the quality preset to High instead of Ultra fixed the issue for me. I'm hoping they'll have more information on what the actual bottleneck is for me, as I can't really figure out what the weak link in my system is right now, but at least the game's playable with that change.

Same issue even on low settings with ssd i54670K and a GTX970.
However setting the priority in task manager to high resolves the issue. The only problem with that is that other stuff like discord or spotify wont work properly anymore.
Above normal in changing the priority felt like it gave a boost to it aswell but still sometimes the chunks dissapear tho.
Sounds like it is a widespread issue and would love to see an official confirmation of it being noticed by the devs / looked into.
Gonna try setting a quality preset later to see if it resolves the issue without having to fiddle with the priority settings in task manager.
Hope this helps and the issue can be resolved.

everyones drivers updated?

Hello,

I am having the exact same issue as everybody else here. Please fix

I have the up to date drivers installed (411.70).

I can remember when i first played the demo (on the same day of release) i didn't had this issue. But when i played the demo a week ago, i got this bug several seconds after i took the controls of the car (started demo all over).


Regards
ReCOiL1313

Signed up to the forums for this issue.

Ryzen 7 1700 3.9ghz
Gtx 1060 6gb oc to /1874mhz
16gb of 2666mhz ram
Nvme 970ssd

My temps are all below 60c and both vram and system ram are under the threshold of problems.

I drive along, the road disappears, I get an error claiming low bandwidth, I click okay and the race continues.

Please fix. Thanks

Hi i have same issue, need some help since i cant Free-roam in game at all beacuse every 5-6 seconds into high speed driving the car stops and warning of low bandwich ;/

CPU: I3 6100 3.7GHz
GPU: GTX 1060 6GB
RAM: 8+4 DDR4 2133Mhz
HDD: WD Blue 1TB 7200rpm

(Yeah i know about bottleneck :) )

Same issue here, running an i7 8086k@5.2ghz and a Evga SC 1080, game is running off of a samsung 256gb ssd. Set priority to high doesnt help after a while, I wonder if its a bug at this point or something like a memory leak (dont quote me on this, not an expert lol)

yup same issue here.. installed on a VERY fast 960 EVO SSD on a very top end system and getting this quite frequently..

1080TI with game ready driver for FH4
on a i7 7700K
Samsung SSD X3
playing using the Gforce EXP suggested settings.

So im seeing everyone is experiencing the same issue i did, but after fiddling with monitor settings and just putting it back to 144hz, game vsync on, drivers updated for gpu and game fps set to 144 fps (setting above the vsync one). so far since the yesterday i've only had it happen like 3 times and restarting it has a high chance to fix the issue, i hope everyone's game fixes itself like mine did, so far ive got 18 hours in the game and probably only 2 of those hours have been spent with the weird chunk disappearing issue, i imagine they will eventually fix this, probably before the actual release date for the game (october 2nd). and plus im seeing pretty much everyone here has much better specs then me, im planning to update to a 10k pc soon and seeing your specs is making me smile :D good job for everyone and their beast PC's. enjoy forza horizon 4 when you aren't experiencing issues :D

I'm having the same issue aswell and it's not because of my pc that's for sure.

i7-8700k
gtx 1080 ti
16gb ddr4
samsung 960 evo raid 0

Do you also get a warning that your video ram is full? Unless you have 11 GB of video card RAM you should not use the Extreme settings, go to Ultra. Similar for those with a 970, you just don't have enough RAM on your card for the settings you run.

Same issue for me, I was playing no problem and it just started appearing.

Mh i have look into Video card RAM and it runs on 4k all on high or extreme only with 6.5 GB so its not the video card RAM. The problem is all is loading finish and suddenly it disappear.... I think its an Engine Bug or something, because my CPU runs on all Cores 50-80 % and my Ram stuck on 8.8 GB workload.

My System is a i5 8600k overclocked to 4.9 Ghz
16 RAM
1080ti

except for the fact half of us are on 1080ti cards.. and using Nvidias recommended settings..

In my case, setting the priority in task manager to above normal fixed the issue for now.

Rats, after no issues yesterday, ran into the Low Streaming Bandwidth warning doing the seasonal road racing event for cars up to S1 900. I thought changing to "High" would fix it, but I suppose not.

To answer the other questions that came up, am running latest nvidia drivers (411.70) and have 16 GB of VRAM.

Short version - changing priority to above normal also worked for me.

I tested by driving the Huracan from the VIP house to the Halo showcase event as fast as I could following Anna's route. I bumped the settings back to Ultra just to make it more likely the issue would appear. Just in case, I installed the latest drivers from Samsung for the SSD and a couple of minor windows updates that hadn't yet been applied.

First run, I ran into the road disappearing maybe 1/4 of the way through, got worse the further I went until I started actually reaching the missing road. This was after the driver update and windows updates.

Killed the app, re-ran it and set the priority to Above Normal, had a clean run without issue to the showcase and ran through the showcase also without issue. The warning message says that it's either an overloaded CPU or drive, I'm guessing it's just starving for time on the CPU cores unless you bump the priority for the process.