What is SLI-DESYNC?
Desynchronization of linking multiple graphics ranks as a high-severity graphics card (GPU) issue in our database. Two graphics cards render images out of order (Micro-stuttering). This usually traces back to high temperatures, wear of memory chips, faulty driver and poor quality video cable. The steps below are ordered to resolve this efficiently.
Common Causes
- High temperatures
- Wear of memory chips
- Faulty driver
- Poor quality video cable
Step-by-Step Fix Guide
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1
Install the older stable driver using DDU
Install the older stable driver using DDU tends to be the quickest win here, addressing the most typical cause of SLI-DESYNC.
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2
Replace the cable with a certified
A recurrence usually points to a rarer gpu instability cause, which is what the following steps are meant to catch.
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3
Underclock the memory in MSI Afterburner
This step, "Underclock the memory in MSI Afterburner", specifically rules out wear of memory chips.
Commands & Diagnostics
dxdiag
nvidia-smi
Frequently Asked Questions
The leading cause of SLI-DESYNC is high temperatures, though wear of memory chips, faulty driver and poor quality video cable also show up in our reports.
Most SLI-DESYNC reports resolve after "Install the older stable driver using DDU". The rest of the guide above is there for the cases that don't.
SLI-DESYNC is a high-severity error. It won't damage your PC instantly, but repeated occurrences usually point to a deeper problem worth addressing soon.
In most cases, yes — the guide above resolves SLI-DESYNC without a clean install. Treat a reinstall as the last resort, not the first move.
Yes — GPU or memory overclocking is one of the most frequent triggers for SLI-DESYNC. Try resetting your GPU to stock clocks using MSI Afterburner or your OC software, then test for stability before investigating other causes.
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