Question First PC-Build // Slow Start-UP after Win 11 installation

Dec 16, 2024
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Hello everyone,

my new build PC is very slow at starting. It takes a long time (20-30 sec) until i get a signal to my monitor at all, and until I get to the Asus Logo. After that the PC works absolutly fine. The Lights , Fans etc. are all working immediatly how they should after i press the on-button.

I know there must be an issue, since my old pc was much faster than this, at least at start up/booting the system. It seems like the PC is just "doing nothing" for the first 30 sec and than decides to boot the system. I know it s not an major issue, but it s still very annoying.

CPU: Ryzen 9 7950X3D
SSD: Samsung 990 Pro
Motherboard: B650E-E Gaming Wifi

Thanks in advance

EDIT: I dont know if it has anything to do with Win 11, i just noticed the issue after that.
 
Open task manager and select the startup option.
It will tell you the last bios time. Mine says 14.7 seconds.

If your time is longer, it may be the motherboard trying to find a compatible ram setting.

If most of the time is after bios startup, then look to fast boot as a startup option.
When a computer is shut down with Fast Boot enabled, the system kernel and drivers are saved to a hibernation file.


When the computer is restarted, the hibernation file is loaded into memory, allowing the system to resume from where it left off. This skips some of the initialization processes that occur during a regular startup
 
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Open task manager and select the startup option.
It will tell you the last bios time. Mine says 14.7 seconds.

If your time is longer, it may be the motherboard trying to find a compatible ram setting.
Mine says 57,7 seconds. If this helps: I set my BIOS Option to Expo1 i think, and let the DDR5 configuration at AUTO

EDIT: Otherwise I didnt make ANY changes in the BIOS, if there is any configuration you would advice , i m glad to learn.
 
Your 57 seconds bios time suggests that the motherboard did not like your ram settings and had to search for something that works.
Is your ram a single matched kit and not two identical separate part numbers?
Is your ram on the motherboard ram qvl list?
Or, on the ram vendors support list for your cpu/mobo combo?
What is the make/model of your ram kit?
Are the sticks in the recommended ram slots?
CPU-Z will identify the ram settings you are using.
The SPD tabs will identify the make/model of the individual sticks.
When you set the ram settings, did you save the changes before booting?
 
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CORSAIR Vengeance RGB DDR5 64GB (2x32GB) DDR5 6000MHz CL30 AMD Expo Intel XMP​

Yes, i m very sure they are the the recommended slots. (A2 and B2 of the Motherboard)​

Unfortunately that is not a model/part number for the RAM kit. Examples of this would be:

CMH64GX5M2B6000C30
CMH64GX5M2B6000C30W
CMH64GX5M2B6000Z30

Those are all different Corsair Vengeance RGB 2x32GB CL30 6000mt/s kits. If yours is the EXPO compatible kit it would be the last one of the three. In any case, none of those Vengeance RGB kits are on the QVL list for your motherboard.
 
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Unfortunately that is not a model/part number for the RAM kit. Examples of this would be:

CMH64GX5M2B6000C30
CMH64GX5M2B6000C30W
CMH64GX5M2B6000Z30

Those are all different Corsair Vengeance RGB 2x32GB CL30 6000mt/s kits.
View: https://imgur.com/a/MKFkQFI


Was a CMOS reset performed after you did the bios update?

I dont know what that is, and how it is done..

Soo I checked the version in the BIOS and it s up to date. ( Version3057)
 
It is an EXPO kit but it is NOT on your motherboard's QVL, meaning, it is not guaranteed to work 100%.
Just the EXPO option or the RAM in general ? Seriously, i dont even know what EXPO does. My brother just adviced me to use that option. Now is there a way to make it work without the EXPO Option?

EDIT: Wish i would have known of the QVL beforehand.. not a single site/tutorial adviced me to check there before buying stuff.
 
Just the EXPO option or the RAM in general ? Seriously, i dont even know what EXPO does. My brother just adviced me to use that option. Now is there a way to make it work without the EXPO Option?

EDIT: Wish i would have known of the QVL beforehand.. not a single site/tutorial adviced me to check there before buying stuff.
An EXPO kit of RAM just has a settings profile specifically tailored for the CPU. The kit of RAM itself needs to also be tested with the motherboard. This kit has not been tested for that particular motherboard by the motherboard manufacturer. That does not mean, for a fact, that this is what is causing the long boot time issue you are experiencing. Most RAM kits will "just work" even if they are not on the QVL. This is likely why you have never heard of QVL before.
 
An EXPO kit of RAM just has a settings profile specifically tailored for the CPU. The kit of RAM itself needs to also be tested with the motherboard. This kit has not been tested for that particular motherboard by the motherboard manufacturer. That does not mean, for a fact, that this is what is causing the long boot time issue you are experiencing. Most RAM kits will "just work" even if they are not on the QVL. This is likely why you have never heard of QVL before.

I see, still would have been god to know about it just to be sure. I read somewhere that a 6000mhz DDR5 would be suitable for my CPU, so I went for this one. Is there a way to check if the RAM is properly working in my system? And what configuration would you advice?

And what was that about the CMOS? Could it be the cause of the slow boot?
 
I see, still would have been god to know about it just to be sure. I read somewhere that a 6000mhz DDR5 would be suitable for my CPU, so I went for this one. Is there a way to check if the RAM is properly working in my system? And what configuration would you advice?

And what was that about the CMOS? Could it be the cause of the slow boot?
I would say that your RAM with the EXPO profile is fully functional in regards to the CPU, all good there. There is perhaps a small issue with the motherboard and the RAM that seems to only affect the boot time. I advise that you keep the RAM in the EXPO profile and try a CMOS reset. CMOS is what keeps the time and setting in the BIOS. After you flash a new version of BIOS its common practice to do a CMOS reset afterwards so there are no vestiges of the older BIOS version to cause issues. On the back of the PC where all the motherboard I/O is, there is a clear CMOS button that looks like this. To properly clear CMOS, follow the instructions in part 2 for a clear CMOS button.
 
I would say that your RAM with the EXPO profile is fully functional in regards to the CPU, all good there. There is perhaps a small issue with the motherboard and the RAM that seems to only affect the boot time. I advise that you keep the RAM in the EXPO profile and try a CMOS reset. CMOS is what keeps the time and setting in the BIOS. After you flash a new version of BIOS its common practice to do a CMOS reset afterwards so there are no vestiges of the older BIOS version to cause issues. On the back of the PC where all the motherboard I/O is, there is a clear CMOS button that looks like this. To properly clear CMOS, follow the instructions in part 2 for a clear CMOS button.
I did everything explained in Part2, but for some reason the prompt after the start didnt appear. I tried 2 times. I m certain i pressed the CMOS reset Button for up to 10 seconds with the power cord removed..
Just the usual slow boot happened..
 
I did everything explained in Part2, but for some reason the prompt after the start didnt appear. I tried 2 times. I m certain i pressed the CMOS reset Button for up to 10 seconds with the power cord removed..
Just the usual slow boot happened..
Try this. Flip the switch to the PSU to OFF and then remove the cord from the wall or PSU. Now, hold down the power button on the case for 30 seconds. Press and hold the Clear CMOS button for 5-10 seconds. Plug the PC back in and flip the power switch.

If the above does not work follow the instructions for part 3, remove the CMOS battery.
 
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Try this. Flip the switch to the PSU to OFF and then remove the cord from the wall or PSU. Now, hold down the power button on the case for 30 seconds. Press and hold the Clear CMOS button for 5-10 seconds. Plug the PC back in and flip the power switch.
Didnt work. Just the usual boot again.

I will try part 3, but i dont understand step 4. What Pin are they reffering to? Is it enough to press the CMOS reset button instead?.
 
Try this. Flip the switch to the PSU to OFF and then remove the cord from the wall or PSU. Now, hold down the power button on the case for 30 seconds. Press and hold the Clear CMOS button for 5-10 seconds. Plug the PC back in and flip the power switch.

If the above does not work follow the instructions for part 3, remove the CMOS battery.
I got Part 3 , the CMOS reset button to work! I waited much longer after removing the power cable and also pressed it much longer. I followed step 4 and loaded optimized defaults , saved and left.

But the slow boot problem still persists.