the xps 15 9550 is stuck at 15.1ghz multiplier
the xps 15 9550 is stuck at 15.1ghz multiplier
the xps 15 9550 multiplier remains stuck at 15.1.48ghz regardless of adjustments. i've updated drivers and reinstalled the latest firmware, but it only stays at 2.6ghz unless bios is disabled. when i reinstall the specific driver set, it functions up to 3.5ghz until a reboot. it seems permanent fixes aren't available yet. the system remains responsive at higher speeds, though usability drops significantly at lower rates.
It’s likely better to reach out to Dell support directly since the issue might stem from a software glitch. Checking your Windows update settings could help—sometimes they interfere with installations, overwriting files during reboot. Consider disabling all updates temporarily, reinstalling the framework, and testing afterward to see if the problem persists.
I've encountered many discussions about this problem before, mostly related to Dell laptops. If you haven't already, reinstalling the Intel chipset drivers could be a good first step. As an alternative, if fixing it isn't possible, consider installing the framework that allows the system to revert to version 3.5 and then use hibernate instead of shutting down completely.
Hibernate remains unresolved across all XPS devices. Dell hasn't addressed the issue after six years.
It's interesting you have that perspective! The XPS has consistently been regarded as a high-end option in its category.
The XPS series has faced significant problems over the last decade, including overheating during powder delivery, DPC latency, failed hibernation, corrupted BIOSes, incorrect CPU and GPU cooling, confusing ghosting displays, and other major concerns. Although some people praise its appearance, few acknowledge the poor design and numerous issues it presents.
@bladefire999 - Your laptop is equipped with a 6700HQ processor? ThrottleStop was initially created to assist with throttling issues on Dell XPS models. It offers tools tailored for these systems. https://www.techpowerup.com/download/tec...ottlestop/ This software relies on Visual C++ 2013 MFC libraries. If you haven’t installed them yet, you can get them from Microsoft. You’ll need both the x86 and x64 editions. https://support.microsoft.com/en-us/help...le-package The Limit Reasons interface may explain why your machine is throttling. ThrottleStop lets you adjust settings to restore your CPU’s maximum performance. Begin by opening the TPL window and turning on Speed Shift Technology. This approach allows the CPU to manage its speed effectively. Keep SpeedStep enabled in the BIOS and ensure the Thermal Framework driver remains installed temporarily. Use the built-in TS Bench to stress your CPU and access Limit Reasons for monitoring throttling events. You can also run Cinebench R20, which lets you benchmark your laptop’s performance against similar models. https://www.maxon.net/en-us/products/cin...-overview/ If you need guidance on setting up ThrottleStop, share many screenshots and I’ll walk you through the setup to resolve your CPU throttling issue.