Blade 16 (2024) and USB hub do not work together? (No) | Razer Insider
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Blade 16 (2024) and USB hub do not work together? (No)


Dear Members,

 

My Razer Keyboard or Mouse are connected to Razer Blade 16 (2024) through a USB Hub and it is causing intermitted freezes of mouse and keyboard input while gaming. These freezes take 1-2 secs and occur every 10-20 secs.

 

I opened an incident on this to Razer Support in March 2024, I have done all troubleshooting steps but haven’t received a solution yet. (Please don’t recommend basic fixes, like install latest drivers or connect laptop to power outlet...)

 

Both mouse and keyboard are working properly if they are connected directly to Razer Blade 16 (2024)

 

I am wondering if anyone here who has Razer Blade laptop has the same issue. It is actually easy to try:

  • connect mouse and keyboard and Razer laptop through an arbitrary USB Hub
  • start any game which is demanding on GPU and play 10-20 minutes
  • check if intermittent freezes in mouse movement or keyboard input occur

 

Thank you in advance for sharing your experience!

 

 

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5 Replies

blade.77 wrote:

CDear Members,

 

My Razer Keyboard or Mouse are connected to Razer Blade 16 (2024) through a USB Hub and it is causing intermitted freezes of mouse and keyboard input while gaming. These freezes take 1-2 secs and occur every 10-20 secs.

 

I opened an incident on this to Razer Support in March 2024, I have done all troubleshooting steps but haven’t received a solution yet. (Please don’t recommend basic fixes, like install latest drivers or connect laptop to power outlet...)

 

Both mouse and keyboard are working properly if they are connected directly to Razer Blade 16 (2024)

 

I am wondering if anyone here who has Razer Blade laptop has the same issue. It is actually easy to try:

  • connect mouse and keyboard and Razer laptop through an arbitrary USB Hub
  • start any game which is demanding on GPU and play 10-20 minutes
  • check if intermittent freezes in mouse movement or keyboard input occur

 

Thank you in advance for sharing your experience!

 

 

If the input issues begin to occur after 10 to 20 minutes of game play,  the first thing that comes to mind is CPU throttling due to overheating.  How hot does the system get whilst gaming?

Here’s what Microsoft CoPilot has to say:
CPU throttling can potentially lead to input lag. When the CPU reduces its performance to conserve energy or prevent overheating, the processing speed of tasks can slow down. Input lag occurs when there is a delay between the user's action, like pressing a key or moving the mouse, and the computer's response. If the CPU is throttled and struggling to keep up with system demands, it could result in delayed input response.
However, input lag isn't solely caused by CPU throttling. It could also stem from other factors like GPU bottlenecks, outdated drivers, high system latency, or peripherals.

From personal experience, once upon a time, I quickly improved performance and reduced input lag by disabling Synapse from running.  This is from 3 to 5 years ago.  I’m fine with Synapse now.  Sorry, I know you asked for non-obvious troubleshooting suggestions as I’m sure you’ve tried not running Synapse. 

For hardcore latency/lag troubleshooting, see this  advanced YouTube video tutorial for removing latency and lags from your gaming PC:
Fix Latency for Good - In Depth Guide
The LatencyMon tool (around 56 mins) looks promising in regards to determining what devices/drivers are creating the noise that is interfering with your mouse/keyboard input.
Caveat:  Be sure to enable Windows System Restore and take a snapshot of your system so you can go back to your original configuration should you get into trouble.  You should also be comfortable with performing a Windows-based or Razer-based system recovery with your data and files already recoverable from the cloud or some other backup media.

I used to have the occasional keyboard sticky key/malfunctioning issues when I had all of my peripheral devices plugged into the same Razer Thunderbolt 4 dock with travel USB hubs hanging off the dock.  It was an embarrassing mess.  My Thunderbolt dock did not have enough ports to service all my peripherals, so I got creative at the cost of occasional peripheral device stability.


I fixed the problem by daisy chaining a powered Razer USBC 4 dock off of the Razer Thunderbolt 4 dock assuring that all peripherals were getting sufficient power and removing non-powered USB hubs that may have been causing timeouts or delays on the USB bus.  Everything runs like a champ now.

For my current configuration, I keep my mouse and keyboard each plugged directly into the Thunderbolt 4 dock rather than the daisy chained USBC 4 dock, so that the I/O from the mouse and keyboard has the shortest path to the laptop without actually being plugged directly into the laptop.

Hope the above helps. 

Another suggestion to narrow down the problem:  Trying plugging only one input device into the USB hub and the other directly into the laptop.  Do both devices continue to freeze, or only the device connected to the hub?  Or do neither freeze? 
 


Also, you mentioned about not suggesting plugging the laptop in - bear with me.  You definitely want the laptop plugged in so it can run at peak performance, but in addition to that make sure that you are running a Windows power profile that is delivering full power to the USB port into which you’ve plugged in your hub.
The easiest way to do this (what I do) is install Razer Cortex, then enable Cortex boost mode during gaming.  Cortex installs its own custom Windows power profile when running in boost mode which prioritises performance over power efficiency which in turn delivers maximum power to the laptop’s USB ports.
Also, I applied all the System optimisation registry tweaks suggested by Razer Cortex which helps with system latency.


  • Author
  • Insider Mini
  • 12 replies
  • March 23, 2025

I have fixed the issue meanwhile. It was SSD related. LatencyMon could be a good hint for next time but it is very dangerous, snapshot for potential System Recovery is essential.

Also Razer Cortex boost mode can be interesting.

The laptop is connected to its power adapter for sure - thank you for avoiding basic troubleshooting and questions.


Thanks Blade.77 for getting back to me with the solution.  Very interesting that the SSD was part of the equation.

As you are a veteran Razer Blade 16 - 2024 owner, I have a question for you.
I’m going to be receiving a Razer Blade 16 - 2024 in the next few weeks as a warranty replacement for my previous Blade that could not be repaired due to lack of parts.  I will get a 90-day warranty with the replacement.

Whilst still under warranty, I plan to apply all the firmware updates found under the “Drivers & Downloads” on the model specific support website at:  Razer Blade 16” (2024) | RZ09-0510x Support & FAQs

Have you applied all of the available firmware updates to your Blade 16 without ill effect?  I’m cautious about applying firmware updates as they tend to be a one way street.  I do not want to be swapping out parts again.
I’m confident that the screen flickering firmware update is stable as many on the web have reported it fixing their display issue.  How about the embedded controller/keyboard/vBIOS update released in January 2025 that introduces Hyperboost?  Have you tried it?


  • Author
  • Insider Mini
  • 12 replies
  • April 5, 2025

I have no issue with the latest blade 2024 firmware (yet).

 

Razer Cortex is not useful, it causes shutter during gaming. I have removed that.


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