Synapse 4 Never ending list of bugs | Razer Insider
Skip to main content

Synapse 4 Never ending list of bugs

  • February 16, 2025
  • 62 replies
  • 3964 views

Show first post

62 Replies

SepiaOPALcool627

@Razer.Zionzedd When will synapse developers finally fix long known bugs? Or I'll be fine if they fix the one, but more annoying bug in synapse v3, when I start something that has a sound, it starts at 150% volume for 1-2 seconds instead of the preset volume.


HotChumpKilla

After upgrading the Synapse 4, I've had some issue in particular with one of my favorite game Total War Warhammer 3, specifically with my new Tartarus Pro though the same issue occurred with my older Tartarus before I had to replace that after years of use. I have very little changes to the buttons (just remapped the modifies) and the same exact set up I had with Synapse 3 does not work at all in the game. it's been working fine for other games and windows as a whole but the moment I launch the game it no longer works and all the key binds that I had are not functioning. this is the second time I've tried to jump to synapse 4 and reverted back to 3 due to the same issue. really going to be a drag having to revert back again unless I can find some work around that's less work than just uninstalling 4 and reinstalling 3 again. This has really been my only issue with Synapse 4 so far as i don't use any complex lighting/Chroma features but its BIG issue because i exclusively use the Tartarus for gaming and my mapping is the same across all programs I use. unless its fixed or i can find a solution Synapse 4 is getting removed again,


felthas1650
  • Insider Mini
  • August 12, 2025

Gosh, remember in Synapse 2 they promised us that our profiles would come over to 3 and that older devices that were not that old would be ported over to 3. Where is my ORBWEAVER SUPPORT? Yeah, well I got 4 and my lighting profiles are all messed up and other issues have arisen that I didn’t have when I was using ver. 3.

 

So for instance I have a TARTURUS V2 when I press the “A BUTTON” it inputs “AZ” and other buttons do this stuff too. Like “D = DC” this is the same for W and S and a few other buttons. Nothing was fixing it until I went back to Synapse 3. 

 

I’m feel like I have given RAZER enough time and money from their inception until now that maybe it’s time I moved on somewhere with less integration. I’m likeing WOOTING, and other products way more I don’t need all this extra bloat. BLOAT that razer can’t seem to ever get right. 


GMdoghunter666

Migrated from Synapse 3 to 4 (most stupid Idea it turns out) and I’m facing the issue with chroma studios that none of the reactive features, like wave or reactive, are working any longer. Only base lighting :)

Yes i done that also,worst mistake i ever made.

I am stuck with profiles that i cannot delete as well as synapse changes it back far too quickly for me to delete the useless profiles (Kraken v4).

Theres no manual way that i know of to completely reset my cloud sync as at thsi point i would rather do that and just start again.

Would be a hassle but more than worth it in the end.


  • Insider Mini
  • August 27, 2025

See the thread about Blackshark users (like myself). Spatial audio got broken and it hadn’t been fixed for months. Even after returning to Synapse 3 there are still problems.
I was a Razer fanboy for many years but my hope in Razer is about to be gone. I am sad to say this but the next purchase probably won’t be from them.

The same problem with Blackshark. I'm using Dolby Atmos for headphones instead of THX now.


Lhosson
  • Insider Mini
  • September 2, 2025

I remember similar issues when migrating to Synapse 3 when Razer decided Synapse 2 was no longer good enough. I had a bunch of bugs, as well as the annoyance of discovering several peripherals would no longer be supported in Synapse 3. Planned obsolescence, I guess.

I’m wondering if this latest iteration is also going to suddenly have us needing to buy brand new Razer gear.

That aside, this launch of Synapse 4 has been an absolute mess.

I’ve reverted to Synapse 3 and won’t be migrating any time soon. I’m also beginning to replace all my Razer gear with Corsair, just to get rid of the headache.


GMdoghunter666

I remember similar issues when migrating to Synapse 3 when Razer decided Synapse 2 was no longer good enough. I had a bunch of bugs, as well as the annoyance of discovering several peripherals would no longer be supported in Synapse 3. Planned obsolescence, I guess.

I’m wondering if this latest iteration is also going to suddenly have us needing to buy brand new Razer gear.

That aside, this launch of Synapse 4 has been an absolute mess.

I’ve reverted to Synapse 3 and won’t be migrating any time soon. I’m also beginning to replace all my Razer gear with Corsair, just to get rid of the headache.

Yes i am also Sick and tired of all the headaches with Synapse 4.

I purchased the Razer Kraken v4 pro literally every time i launch a full screen game,it hard crashes my pc.

I back tested this to see if it was the headset causing this,it turned out 100% it was.

Without the headset/different headset connected it doesn’t happen so that pointed itself out to synapse/even faulty hardware at that.

I reckon it is synapse related though somehow,buthtere is no way i am plugging the jeadset up to my system and it hard crashing it.

Back to Amazon it goes.

 

In the end up i went back to steelseries and couldn’t be happier.

Synapse is jus ta buggy mess and next to useless at this point


  • Insider Mini
  • September 2, 2025

Is there no way to create multiple profiles for the same game in Synapse? When I try, it won’t let me link a 2nd profile to game that already has one linked to it.

I switched to Razer because I was disappointed with the hardware quality of Logitech mice. Now I’m thinking I’ll have to switch back to Logitech just because of the Razer software being so terrible.


pleiadian65
  • Insider Mini
  • September 3, 2025

If i leave Synapse 4 for 10 to 15 minutes untouched in my system tray, than it takes a long lime to launch and load up my peripherals. Yeah, after two times of trying on two different systems. I think Razer don't care about any problem customers have. The videos that appear lately, on social media, speaks for itself. That's one of the reasons i am switching gears, after two faulty blackwidow 4 Pro keyboards and a Raptor 165hz monitor with backlight bleeding. 


Yea it is ironic that the beta version was the best version and it's gone downhill since.

 

There are severe problems with macros that use scroll wheel click. Sometimes they record but can't be edited, sometimes you edit and they break, sometimes no matter what you can't select middle mouse button, or you select it finally but it's not working. Even like cloud versions and stuff, where an older version works but cloud version doesn't. I've spent hours and hours trying to figure out why my macros randomly and completely stopped working even when nothing changed and visually everything was setup correctly. Scroll click really needs to be looked at.

 

I think razer hired some competent people to design Synapse 4, but after the job was done they had their local teams take over and add junk with ChatGPT writing the code. I have no idea how an app can keep getting worse and worse over beta. 
 

incredibly frustrating when you need to perform in a game but your macros are broken and you need to spend 4hrs+ troubleshooting some broke sh** and everybody is waiting on you. I had to delete middle/scroll button entirely because it just didn't work. Also I will need to be testing other mouse brands to compare. Razer is pretty fast in general but the spaghetti code makes me think some of ther other/new mouse companies may have put in more effort overall and maybe have more accuracy. I've seen other players run macros faster than mine but I'm not sure what they are using since they keep it secret. Whatever it is, it's not Razer Synapse😂


  • Insider Mini
  • September 5, 2025

 

 

I think razer hired some competent people to design Synapse 4, but after the job was done they had their local teams take over and add junk with ChatGPT writing the code. I have no idea how an app can keep getting worse and worse over beta. 
 

 

GPT is good at finding code breakdowns and bugs, checks logic well, and is generally a good tester. It would be better if they tested it. It feels like synapse 4 was written by students and then no one checked the program for performance. To do this, you just need to connect razer devices and check how synapse 4 works. I think razer should have had some razer devices lying around that could be tested.


xxavatarxx007
  • Insider Mini
  • September 19, 2025

Genuinely I’m so tempted to just stop buying Razer stuff. I’ve spent 1000s on their products, but that garbage software is actually getting out of hand now. Buggy mess, it ALWAYS just randomly crashes, you are playing a game and your mouse stops working, or everything shuts off and then eventually turns on, my Hue lights don’t want to connect anymore. It uses too many resources, and bugs my high-end PC. Making a 4th version would make people think they did that to fix the bugs of 3, but apparently that wasn’t the case… It’s a joke, this massive company cannot even build software for it’s apps that works for the main feature - RGB. I see why other companies don’t have a complex software like Razer. Maybe focus less on the stupid coins and mining BS and more on fixing the things people pay 100s for. 


ChuckleBerryFin

Genuinely I’m so tempted to just stop buying Razer stuff. I’ve spent 1000s on their products, but that garbage software is actually getting out of hand now. Buggy mess, it ALWAYS just randomly crashes, you are playing a game and your mouse stops working, or everything shuts off and then eventually turns on, my Hue lights don’t want to connect anymore. It uses too many resources, and bugs my high-end PC. Making a 4th version would make people think they did that to fix the bugs of 3, but apparently that wasn’t the case… It’s a joke, this massive company cannot even build software for it’s apps that works for the main feature - RGB. I see why other companies don’t have a complex software like Razer. Maybe focus less on the stupid coins and mining BS and more on fixing the things people pay 100s for. 

Nothing like missing a skillcheck in Dead by Daylight or unable to shoot back/use equipment in The Finals bc Razer has to freeze for a second or straight up crash. So you have to click out of the game and close out of the 50 processes in Task Manager and relaunch Synapse 3 or 4.

Thanks, Razer!


Lhosson
  • Insider Mini
  • September 23, 2025

Genuinely I’m so tempted to just stop buying Razer stuff. I’ve spent 1000s on their products, but that garbage software is actually getting out of hand now. Buggy mess, it ALWAYS just randomly crashes, you are playing a game and your mouse stops working, or everything shuts off and then eventually turns on, my Hue lights don’t want to connect anymore. It uses too many resources, and bugs my high-end PC. Making a 4th version would make people think they did that to fix the bugs of 3, but apparently that wasn’t the case… It’s a joke, this massive company cannot even build software for it’s apps that works for the main feature - RGB. I see why other companies don’t have a complex software like Razer. Maybe focus less on the stupid coins and mining BS and more on fixing the things people pay 100s for. 

Well, I finally took the plunge. I’ve now replaced all my primary peripherals with Corsair (K100 OPX and M65 RGB Ultra). What a difference! Everything oozes quality. I opted for the OBX keys on the keyboard instead of the usual coloured switch iterations. And the mouse also uses optical switches. It’s a proper step up in responsiveness and the tech is seriously impressive.

I’m also not getting 5 advertising banners trying to sell me more stuff, while bogging down my system responsiveness, every time I open their app. The software iCUE is snappy and far more customizable (although a bit of a learning curve), without being resource heavy - or at least it feels that way. Custom profiles with Synapse could take anything from 5 seconds to several minutes to initialize, but iCUE is pretty much instant. I don’t even notice the switch-over tbh.

I’m blown away by the difference and can confirm that Razer has definitely lost its way with bloat and greed over performance and quality. I’ll be sticking with Corsair until I hear better things from the Razer community.

The only caveat is that I will have to continue to use my Tartarus Pro, simply because there’s no other alternative offering a similar experience. I tried the Red Dragon K585, but was disappointed by its lack of customization and poor RGB colour matching (the red mechanical keys were emitting faint red over the RGB colour selection and messing up the final colour). It was also too big, even for my large hands.

So, Razer keeps me on for a while - but will no longer be getting the lion's share of my gaming hardware funds. I’ve been talking about it for years on these forums, along with countless others airing the same concerns, and it’s fallen on deaf ears. This is my way of voting with my wallet until significant changes are made. And I hope others will break free of the Razer eco-system shackles with a little confidence and add to the voices of discontent. I’m pretty sure it’s the only way to make a behemoth such as Razer take note and do something.


Lhosson
  • Insider Mini
  • September 23, 2025

I wrote a detailed follow-up on this thread, about how I have now replaced my Razer peripherals, but it seems I have become a victim of moderation, and was told it would be checked before posting. So if it doesn’t appear on here, consider me silenced by Razer. 😆


FiszPL
Vanguard
Forum|alt.badge.img+1
  • VANGUARD
  • September 23, 2025

I wrote a detailed follow-up on this thread, about how I have now replaced my Razer peripherals, but it seems I have become a victim of moderation, and was told it would be checked before posting. So if it doesn’t appear on here, consider me silenced by Razer. 😆

No one silenced you, until you’ll break Insider rules :)

Also PM me with the details who contacted you, and what he told.


Lhosson
  • Insider Mini
  • September 23, 2025

I wrote a detailed follow-up on this thread, about how I have now replaced my Razer peripherals, but it seems I have become a victim of moderation, and was told it would be checked before posting. So if it doesn’t appear on here, consider me silenced by Razer. 😆

No one silenced you, until you’ll break Insider rules :)

Also PM me with the details who contacted you, and what he told.

Nobody told me anything. I just got a message saying my post will be reviewed and hours later it’s still not up. It wasn’t offensive or political, racist, anything like that. But it did contain a company rival name and product that I purchased in replacement for my Razer hardware (due to Synapse issues). So if that’s considered breaking the rules, then silencing people that mention the competition is pretty sketchy. 


FiszPL
Vanguard
Forum|alt.badge.img+1
  • VANGUARD
  • September 24, 2025

I wrote a detailed follow-up on this thread, about how I have now replaced my Razer peripherals, but it seems I have become a victim of moderation, and was told it would be checked before posting. So if it doesn’t appear on here, consider me silenced by Razer. 😆

No one silenced you, until you’ll break Insider rules :)

Also PM me with the details who contacted you, and what he told.

Nobody told me anything. I just got a message saying my post will be reviewed and hours later it’s still not up. It wasn’t offensive or political, racist, anything like that. But it did contain a company rival name and product that I purchased in replacement for my Razer hardware (due to Synapse issues). So if that’s considered breaking the rules, then silencing people that mention the competition is pretty sketchy. 

Oh, so maybe you’ve just got notification from forums. Sometimes it wrongly consider some posts as a spam, and need manual approve. Still, don’t worry, because noone want to silence you, until you break the insider rules :)


pleiadian65
  • Insider Mini
  • September 24, 2025

Yet another problem pops up, after silent installing the latest september 18th update. Profiles wil no longer load in lockscreen, after starting up Windows 11. That was never the case before the update. Now the profiles wil only load after login. This on two different systems. On one system i remove every piece of software that was related to Razer, removed the install folders, cleaned up the drivers and did a Synapse 4 reinstall. After that the problem persists. So, that's how i know for sure that the problem is related to the latest update. 


GMdoghunter666

Yet another problem pops up, after silent installing the latest september 18th update. Profiles wil no longer load in lockscreen, after starting up Windows 11. That was never the case before the update. Now the profiles wil only load after login. This on two different systems. On one system i remove every piece of software that was related to Razer, removed the install folders, cleaned up the drivers and did a Synapse 4 reinstall. After that the problem persists. So, that's how i know for sure that the problem is related to the latest update. 

Similar issue here as well again since the september/early october update.

You have to manually open synapse 4 every single time on loading windows 11 it doesn’t start automatically even with hte option ticked.

Then to add more issues a lot of the time it just crashes and closes.

On the other hand synapse 3 works with the same devices i have so for now i am resorting to synapse 3 until they get this mess sorted out.

Synapse 4 gets worse with every single update,at this rate they should just reinstate synapse 3 as in not end support for it,4 is just complet trash.


pleiadian65
  • Insider Mini
  • October 14, 2025

Yet another problem pops up, after silent installing the latest september 18th update. Profiles wil no longer load in lockscreen, after starting up Windows 11. That was never the case before the update. Now the profiles wil only load after login. This on two different systems. On one system i remove every piece of software that was related to Razer, removed the install folders, cleaned up the drivers and did a Synapse 4 reinstall. After that the problem persists. So, that's how i know for sure that the problem is related to the latest update. 

Similar issue here as well again since the september/early october update.

You have to manually open synapse 4 every single time on loading windows 11 it doesn’t start automatically even with hte option ticked.

Then to add more issues a lot of the time it just crashes and closes.

On the other hand synapse 3 works with the same devices i have so for now i am resorting to synapse 3 until they get this mess sorted out.

Synapse 4 gets worse with every single update,at this rate they should just reinstate synapse 3 as in not end support for it,4 is just complet trash.

The update from 3 October doesn't make it any better. Yesterday i wanted to shutdown my system and it hangs on a task from Synapse 4.  I  canceled  this operation and went straight back into windows. I tride to open Synapse 4 and suddenly it asks for my login, which it didn't work. Then i forced to restart my system and the problem had resolved itself, accept a syncing  notification error that appeared, which is very often the case. I also experienced problems with the automatic update system, which i can't ignore, if Synapse is active. Byside that, Synapse 4 still a very unreliable system. Even Razer's hardware spreaks for itself. 


GMdoghunter666

Yet another problem pops up, after silent installing the latest september 18th update. Profiles wil no longer load in lockscreen, after starting up Windows 11. That was never the case before the update. Now the profiles wil only load after login. This on two different systems. On one system i remove every piece of software that was related to Razer, removed the install folders, cleaned up the drivers and did a Synapse 4 reinstall. After that the problem persists. So, that's how i know for sure that the problem is related to the latest update. 

Similar issue here as well again since the september/early october update.

You have to manually open synapse 4 every single time on loading windows 11 it doesn’t start automatically even with hte option ticked.

Then to add more issues a lot of the time it just crashes and closes.

On the other hand synapse 3 works with the same devices i have so for now i am resorting to synapse 3 until they get this mess sorted out.

Synapse 4 gets worse with every single update,at this rate they should just reinstate synapse 3 as in not end support for it,4 is just complet trash.

The update from 3 October doesn't make it any better. Yesterday i wanted to shutdown my system and it hangs on a task from Synapse 4.  I  canceled  this operation and went straight back into windows. I tride to open Synapse 4 and suddenly it asks for my login, which it didn't work. Then i forced to restart my system and the problem had resolved itself, accept a syncing  notification error that appeared, which is very often the case. I also experienced problems with the automatic update system, which i can't ignore, if Synapse is active. Byside that, Synapse 4 still a very unreliable system. Even Razer's hardware spreaks for itself. 

Yes 100% agree with you there as well with the login screen,you get that completely randomly,the October 3 update has just made things worse.

They really need to get a grip on there software it completely breaks devices considering the cost of some of them.

Honestly if it wasn’t for the comfort of my naga pro v2 mouse i would completely ditch them alltogether as other brands at least have working software for there hardware.


keiraskyler
  • Insider Mini
  • October 16, 2025

My volume stutters and lags as Im adjusting it (didnt do this on Synapse 3), my headset pops when the volume peaks randomly when audio first starts, fizzing and audio lag during gameplay. I have 32gb ram, and Intel i9 and 4070TI. No reason for anything to be functioning this poorly.


xxavatarxx007
  • Insider Mini
  • October 20, 2025

My main issue right now is, and has been this stupid integration never working. Tried uninstalling Synapse, manual IP, restarting my bridge, resetting the ent. areas, just refusing to connect. Driving me mad.

 

 


xxavatarxx007
  • Insider Mini
  • October 23, 2025

My main issue right now is, and has been this stupid integration never working. Tried uninstalling Synapse, manual IP, restarting my bridge, resetting the ent. areas, just refusing to connect. Driving me mad.

 

 

So I fixed this issue - reset the Hub, but now Synapse will literally non-stop crash, and it’s just pissing me off. How can this massive company not have the ability to at least have a working app, is beyond me… If Synapse hasn’t crashed then the Chroma app has. Such a joke, I’ve spent so much money but I think I’m really ready to go elsewhere, because the reason you buy a Razer product is quality and the RGB, RGB being the BIGGEST thing they flex on, yet that never seems to work. If I spend premium money, I expect premium support, and premium experience. No matter how nice the mouse or keyboard is, if the stupid RGB app keeps crashing.