If you have a Dell and your internet feels slower than it should — slower than your phone on the same Wi-Fi — there's a good chance the cause is a preinstalled app called SmartByte. It's supposed to make streaming smoother. What it often does instead is throttle the entire connection.
I found it sitting on my own Inspiron 16 Plus while building a debloating tool — the app, plus four background services I never asked for (two named SmartByte, two from its maker Rivet). This post is the short version of everything I learned digging into it: how to confirm it's your problem in two minutes, and how to remove it completely — because the normal uninstall can leave pieces behind.
What SmartByte actually is
SmartByte was built by a company called Rivet Networks (later bought by Intel) and Dell preinstalls it on many Inspiron and consumer machines. The pitch: it watches your traffic and gives video streaming priority, so your movie doesn't stutter while something downloads. To do that, it inserts itself between Windows and your network adapter — every packet goes through it.
That design is the problem. When SmartByte misjudges — and the Dell community forums are full of people it misjudged for — it doesn't just deprioritise one app. It caps the pipe. The classic reports, which The Windows Club documents too: connections crawling at a fraction of what the line can do, jumping back to full speed the moment SmartByte is stopped — one commonly cited case went from 5 Mbps to 25+ right after removal.
The two-minute test
- Run a speed test (fast.com or speedtest.net). Write the number down.
- Press Ctrl+Shift+Esc → Services tab — or type
services.mscin Start. Find SmartByte Network Service, right-click, Stop. - Run the same speed test again.
If the second number is clearly higher, you have your answer. And in every account of this I've read while researching it, the difference isn't subtle — SmartByte either behaves or it strangles; there's not much in between.
Remove it properly — all three pieces
Here's the part most guides skip. SmartByte isn't one thing — on my Dell it's the app plus four services, and the app uninstall doesn't reliably take the rest with it:
- The SmartByte app — sometimes a normal program, sometimes a Microsoft Store app (on my Dell it was the Store version,
RivetNetworks.SmartByte). - SmartByte Network Service — the traffic-shaping engine. This is the piece that actually slows you down.
- The supporting cast — names vary by version; mine has a "SmartByte Analytics Service" (usage data) plus two under the maker's name, "Rivet AP Selector" and "Rivet Dynamic Bandwidth Management". Anything starting with SmartByte or Rivet belongs to this family.
The clean removal order:
- Settings → Apps → Installed apps → search "SmartByte" → uninstall everything it finds. Check for both "SmartByte" and "SmartByte Drivers and Services".
- Back in
services.msc, check for anything whose name starts with SmartByte or Rivet. If any survived, double-click → Startup type: Disabled → Stop. - Restart, and run the speed test once more to confirm the fix held.
Your Wi-Fi and ethernet don't need SmartByte for anything — it's a layer on top of the real drivers, not a driver itself. Nothing breaks. This is as safe as removals get.
One warning: it can come back
Dell's updater tools treat SmartByte as a "recommended" component, so a Dell Update or SupportAssist driver scan can quietly reinstall it. If your speed mysteriously drops months from now, check services.msc before blaming your ISP. Whether those updater apps are worth keeping at all is its own question — I wrote up exactly what breaks when you remove SupportAssist (spoiler: less than you'd think), and the full Dell bloatware list covers the rest of the family.
I found my own SmartByte while building RBS Debloater — a free tool that finds all of this preinstalled junk (app + services + leftovers) and removes it in one pass, with a restore point first. It's in final testing now and will be free on this site. Until then, RBS PC Cleaner has a bulk uninstaller that helps with the clicking.