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Asus ROG G752VS OC windows 10 slow boot on 970PRO

Vazha
Level 7
Hello everyone,

The story:

At first I had sm961 256GB which was fast enough ( I mean boot time was very short) but after 2 years of using it started slow booting of windows10 and when I checked the health status of ssd it was 96% and 13.5TB writes which is not so bad but despite of this I changed to 970pro (new) which has much more speed and endurance.



The problem:

My laptop Asus Rog G752VS OC Edition with 970pro 512gb boots very slowly (even shutdown/restart process is long) the time it needs to boot windows 10/11 is 23 seconds.

I tried fresh install of windows 10/11 with different versions of OS,drivers,nvme drivers,bios (moded also),RAM modules and quantities (1 slot,2 slots,3 slots,4 slots) and also tried different nvme ssd models but with no luck.

Also I did crystaldiskmark test and got the result 970pro provides at maximum speed.

Checked with AIDA64 software as well and got maximum speed.Also when I checked pcie controller speeds it showed pcie 2.0 speed at x4 bandwidth which I don't know is current speed when I don't use it or maximum negotiated speed (maybe it's current speed because read/write test shows 3500MB/2300MB).

I checked specs with hwinfo64 as well and got x4 8GT/s which is equal to PCIe 3.0 4x (4x985MB/s) that is the speed 970pro can transfer (laptop supports pcie3.0 x4 as well) at maximum load (PCIe 3.0 4x) but despite of this windows 10 boots very slowly.



Also I have to mention that when I press power button the laptop turns on then off and then turns on again and starts booting .The whole process takes as a minimum 23 seconds to complete.


My laptop specifications:

Laptop-Asus Rog G752VS OC Edition

CPU-i7 7820HK

GPU-GTX1070 8GB

Storage1-970PRO 512GB (new)

Storage2-860EVO 1TB SATA

RAM-48GB DDR4 2400MHz

Powersupply-230W

Battery-in perfect condition

Thermals-in perfect condition

Bios version-305





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3 REPLIES 3

jdfrench3
Level 12
I have G752VSK also. I have pair of Samsung 960s in Raid 0 though and my 48GB of memory is DDR4-2800 clocked at 1400.

I'm guessing you have a problem with that modded BIOS. I would suggest replacing that BIOS with unmodded 305.

Good Luck
G752VSK, G75VW-3D, G51J, G1S
Homebuilt Windows Server

jdfrench3 wrote:
I have G752VSK also. I have pair of Samsung 960s in Raid 0 though and my 48GB of memory is DDR4-2800 clocked at 1400.

I'm guessing you have a problem with that modded BIOS. I would suggest replacing that BIOS with unmodded 305.

Good Luck


Hello,
Thank you for your advice.
I tried unmodded bios as well with different versions but nothing has changed.

Vazha
Level 7
Tried on TUF z490plus got max speed on benchmarks but still slow but not as much as my laptop.
Also tested 2 more 970pro ssds and got the same result.