CPU Fan Speed Detection Error

Case
PCS PRISM-X ARGB MID TOWER CASE
Processor (CPU)
Intel® Core™ i9 24-Core Processor i9-13900KF (Up to 5.8GHz) 36MB Cache
Motherboard
ASUS® ROG STRIX Z790-A GAMING WIFI D4 (LGA1700, DDR4, PCIe 5.0, Wi-Fi 6E)
Memory (RAM)
32GB Corsair VENGEANCE RGB PRO DDR4 3600MHz (2 x 16GB)
Graphics Card
12GB NVIDIA GEFORCE RTX 4070 Ti - HDMI, DP, LHR
1st M.2 SSD Drive
2TB SAMSUNG 990 PRO M.2, PCIe 4.0 NVMe (up to 7450MB/R, 6900MB/W)
Power Supply
CORSAIR 1000W RMx SERIES™ - MODULAR 80 PLUS GOLD, ULTRA QUIET
Power Cable
1 x 1.5 Metre UK Power Cable (Kettle Lead, 1.0mm Core)
Processor Cooling
CORSAIR iCUE H150i ELITE LCD XT RGB CPU Cooler
Thermal Paste
STANDARD THERMAL PASTE FOR SUFFICIENT COOLING
Sound Card
ONBOARD 6 CHANNEL (5.1) HIGH DEF AUDIO (AS STANDARD)
Network Card
ONBOARD LAN PORT
USB/Thunderbolt Options
MIN. 2 x USB 3.0 & 2 x USB 2.0 PORTS @ BACK PANEL + MIN. 2 FRONT PORTS
Operating System
Windows 11 Home 64 Bit - inc. Single Licence
Operating System Language
United Kingdom - English Language
Windows Recovery Media
Windows 10/11 Multi-Language Recovery Image - Unlimited Downloads from Online Account
Office Software
FREE 30 Day Trial of Microsoft 365® (Operating System Required)
Anti-Virus
NO ANTI-VIRUS SOFTWARE
Browser
Google Chrome™
Monitor
ASUS VP229HE 21.5"
Warranty
3 Year Standard Warranty (1 Month Collect & Return, 1 Year Parts, 3 Year Labour)
Delivery
STANDARD INSURED DELIVERY TO UK MAINLAND (MON-FRI)
Build Time
Standard Build - Approximately 5 to 7 working days
Welcome Book
PCSpecialist Welcome Book - United Kingdom & Republic of Ireland
Logo Branding
PCSpecialist Logo
Price: £0.00 including VAT and Delivery
Hi, had the following issue crop up this morning with no warning (everything was running fine last night).

Switched on this morning and got the following BIOS screen come up:

20231222_141632.jpg

The LCD on my Processor Cooler also showed this image:

20231222_112606.jpg


When I went into the setup I was presented with the following.

20231222_112659.jpg


First time I've ever been to this screen so don't know if it's unusual that only one fan speed is showing and everything also is N/A.

Restarted without changing anything, all fans started as normal then the computer gave 4 beeps, fans kicked up to full speed and got the same BIOS warning.

When Power is on the LCD has the triangle with an exclamation mark in it symbol then when you switch on it gives the liquid temperature for a second the changes to the Fan plus exclamation mark image and goes to the BIOS screen.

I've had the covers off and done a basic check and no connection seem to be loose. I've managed to get to Windows a couple of times but PC quickly shuts down after that (I assume because of the CPU overheating.

Thanks in advance for any advice.
 
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