![]() ![]() for about 3 hours.ģ hours later the issue came back - again, a reboot resolved this however I can't be expected to reboot my laptop every 3 hours or so just to get the CPU above 0.8Ghz. Finally I rebooted it which resolved the issue. ![]() I tried putting it to sleep and waking it again and also unplugging and reclogging the charger - nothing helped. The back surface was completely cool to the touch and the fans were not on whatsoever, yet the CPU just refuses to go over 0.8Ghz. Disk I/O usage is at 1% and my RAM is nowhere near full. I tried opening a large PDF in Adobe Reader and a file in Adobe Photoshop and both took very long to load - while looking at task manager it looks like the CPU was still sitting at 0.8Ghz while these apps loaded. I opened Task Manager (which took 6+ seconds to load) to see that my CPU was basically stuck between 0.4 and 0.8Ghz. I hope Dell at least acknowledges us, because it's been very frustrating dealing with this issue personally, and seeing many others online facing the same problem.I was using my Surface Book fine until I noticed Microsoft Edge starting to lag out - opening new tabs would take 3 seconds and there was a visible delay when I typed into a text field, even though I had nothing open in the background. I just wanted to see if more people are still facing this issue, and if it's truly a hardware issue relating to the sensor on the motherboard, or if some new update fixed anything. If you uncheck the BD ProcHot option, you might see that the processor frequency will shoot up to the it's max all the time, so if you don't want that, you can check the Disable Turbo option, which will bring it down to it's regular base frequency, in my case 2.81ghz. It's a bad sensor in the motherboard apparently. It does this by dropping the CPU multiplier down to 8 so the CPU will be stuck at 800 MHz. When a CPU receives a signal on this line, it is forced to immediately start throttling. It is basically a signal line going to your Intel CPU. Specifically, you need to uncheck the BD PROCHOT option, BD PROCHOT stands for bi-directional processor hot. The only work around for me was to try ThrottleStop, which many other threads recommended, and it's the only option that seemed to work. I tried disconnecting the battery and reconnecting it, as some suggested it may be to power delivery problems, but it was still stuck to the low frequency plugged or unplugged, and connected to the power or not. I tried booting in Safe Mode and noticed that the core frequency went back to 2.81ghz, which is normal, it's just when I boot into windows normally that it gets stuck again. The system is passing all the tests Dell and Intel utility tools can possibly run. I tried updating every driver, and have the latest BIOS update, I tried changing and resetting the C-state and UEFI options and nothing changed. Has anyone found a proper solution for this? I am facing the same issue on my Dell with the i7-7700HQ, the core frequency is stuck at 0.8GHz no matter the power option, or load. Is this something that can be worked around? I thought that going on battery would mean playing on the integrated Intel Graphics 630 instead of the GTX 1060, not that it would make my computer slower than a 5-year-old budget laptop. I'm out of options, as there seems to be no real answer online. I've tried switching things around the BIOS, I tried creating alternative power plans, and setting the minimum CPU power usage to 50%, 75% and even 100% in the existing "Dell" and "Balanced" power plans as well, but to no avail. As I've said, the machine is 100% unusable while in this vegetative mode. Select Restart now and check for problems (recommended). Select the search box in the taskbar, enter memory, and from the search results, select Windows Memory Diagnostic. Opening a web browser may be possible with 5 minutes of patience, but watching videos or doing anything more complex than reading a word document is pretty much impossible. Run the Windows Memory Diagnostic tool to determine whether your Surface memory is working properly. My problem lies in the fact that the laptop is completely unusable! My girlfriend's Intel i3-4000M runs faster than my i7-8750H because unlike hers, as soon as I go on battery, my CPU speed is limited to 800 MHz, according to Task Manager. Of course, I didn't expect the battery to be able to power the GTX 1060 inside, and I'm not planning to play demanding games while on battery. But as soon as I disconnect the charging cable and attempt to do anything on battery, the laptop becomes completely unusable. Ever since I got my Dell G7, I've been having a blast with it when plugged into an outlet. ![]()
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