Reinstalled images should be built from a clean hand installed OS load and following the steps in this guide. Dell does not recommend starting from an image built on previous generations of products or other computer systems. These products are not compatible with previous images built or installed on none Latitude E-Family, Mobile Precision or previous Dell products. Page 10 Intel Chipset - Helps Windows control system board components and controllers. Control Point Connection Manager 3.
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You still will need to make the registry change mentioned below. However, because the driver does not have an EV certificate from Microsoft, it will not load if UEFI secure boot is enabled so you must take additional steps.
The easiest way is to apply this registry change: Code: You must reboot your system before the change will take effect. This will allow any signed driver to be loaded, even if it does not have an EV certificate from Microsoft. Once this is taken care of, you can pass one of these options to DellFanCmd to tell it what you would like it to do.
Example: Code: DellFanCmd. You should immediately be able to control the fans with SpeedFan at this point. Code: This will tell the EC to take over fan control again. Note: DellFanCmd. Example: ec-disable-alt The purpose and behavior of the "alternate method" is unknown to me but it might help if you find that the "regular" method does not work.
The projects linked above have reference to it so I kept it in. Edit — One user reports being locked to a low CPU clock speed with the "regular" method, but not with the "alternate" method When you disable EC control of the fans, this appears to stick past reboots unless you go into the BIOS setup and make a change.
To restore everything back to the original state, you must fully shut down the system. What you need to do is decide at which temperature levels you would like the fan to run at which of the three speeds.
Hit "OK" and then fully exit and restart the program. You should now be able to see the current fan level on the main screen, and even adjust the fans by changing the Pwm values on the main screen.
Click "Configure" again. On the "Temperatures" tab, uncheck any temperatures that you are not interested in. Go to the "Fan Control" tab and check the box for "Advanced fan control". Then, add a fan controller. You will want one fan controller for each fan and you can name them appropriately. I first set this up on the Precision M, which has one fan clearly intended to be the CPU fan and the other clearly intended to be the GPU fan, so I named the controllers accordingly.
For each controller, make sure to check the "Controlled speed" box or it will do nothing and then select which fan you would like it to control from the drop-down. Then you can "Add" temperature sensors and specify how you want the fan to behave for each one.
With "MAX of speeds", if any of the thresholds that you set trigger, then it will run the fans at that level. So, the fan curves look like this: You could do this with a single curve but it is hard to be precise with the temperatures that way.
Once you have everything set up, you can go back to the main window and check the "Automatic fan speed" checkbox, and SpeedFan should take over fan control according to the options that you have set.
You can make further changes under "Advanced fan control" and they will be applied as soon as you hit "OK". I recommend checking the "Minimize on close" option under the Options tab in "Configure", so that SpeedFan will just run in the tray after you close it and do its job in the background. Automatic integration This is my goal here: When you log into Windows, SpeedFan should fire automatically, and then the EC should be asked to let go of fan control so that SpeedFan can manage it. This should persist for your whole session.
I set up three tasks in Task Scheduler for this. Disable EC fan control at login. I made a task with "At log on" of "specific user" myself. It runs this script. SpeedFan takes over right away. I have SpeedFan configured to start minimized. Note, the "sleep" command is not built in to Windows.
You can get it by installing the Windows Server resource kit. So, I can see the output of DellFanCmd before it automatically disappears. The solution survives sleep but it does not survive hibernate. Disable EC fan upon resume from hibernate. I made a task with "On an event" trigger. It is set to run only if I am already logged in. It just runs: DellFanCmd. Return fan control to the EC upon logout.
The trickiest one. I ended up with this. When setting up scheduled tasks, pay attention to the option that is enabled by default which prevents them from running if the system is on battery power. All tasks need to be set to run with "highest privileges".
That is all.
Samsung HT-E6530 Manuals & User Guides
You still will need to make the registry change mentioned below. However, because the driver does not have an EV certificate from Microsoft, it will not load if UEFI secure boot is enabled so you must take additional steps. The easiest way is to apply this registry change: Code: You must reboot your system before the change will take effect. This will allow any signed driver to be loaded, even if it does not have an EV certificate from Microsoft.
DellFanCmd – Tool to enable manual/custom control of the laptop fans