Solved Small BOOT issue


Lou

Lou

Well-known member
Member
Local time
3:23 AM
Posts
134
Location
East Coast
OS
WIN11 HOME Version 24H2
Just finished cleaning the inside of the case of my DELL XPS8940 and when I restart the PC I'm now greeted with a PREBOOT CHECKUP screen----I've NO Dell Support software on my machine and this is the first time in the 3years of ownership I've seen this---I clean the inside of my case every 3months
I've NO idea how to stop this other than holding the ESC key when I power-up...
I've tried the following with NO success--
FN key is not sticking
Secure Boot set to AUDIT MODE
Auto OS Recovery Threshold set to OFF
Support Assist OS Recovery is UNCHECKED
BIOS Connect is UNCHECKED
How do I get rid of this....No laughing please
Presently th BIOS is back to the factory presets
FWIW-
Once booted up the PC works faultlessly
I've also re-loaded the lastest firmware version that was installed in late June-NO change and checked things like the PC battery, fan plugs....
ALSO
The folks at Dell TECH SUPPORT were of NO help as well as the Dell User Forums
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.
PS-
If I let the preboot check proceed it adds some 3 minutes to the boot time as it runs a bunch of tests before allowing the boot-up
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.
I don't own a Dell, but I was curious enough to Web search on that.

No error code is displayed?

No QR code?
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 26200.8728Amd Threadripper 7970X128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)Gigabyte RTX 4090 OC
    OS
    Windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D Rev. 1.0
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Innocn 32" OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Cherry KC 500 MX LP (mechanical)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/250 Mbps (down/up)
    Other Info
    xFinity gateway

  • At a glance

    windows 11 26200.8728Intel I9-13900K64GB G.Skill DDR5-6000Gigabyte RTX 3090 ti
    Operating System
    windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Philips 27E1N8900 27" OLED
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Keyboard
    Cherry Streaming (wired)
    Mouse
    Logitech M500s (wired)
When you were cleaning your machine did you possibly loosen something. Is you BIOS Battery Good?
 

My Computers My Computers

System One System Two

  • At a glance

    Windows11 Pro 26200.8737Intel Core i9 14900F (24 -Core, 68 MB Total C...32GB DDR5RTX 4080 Super w/581.95
    OS
    Windows11 Pro 26200.8737
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Alienware Aurora R16
    CPU
    Intel Core i9 14900F (24 -Core, 68 MB Total Cache)
    Motherboard
    Dell Alienware
    Memory
    32GB DDR5
    Graphics Card(s)
    RTX 4080 Super w/581.95
    Sound Card
    Realtec
    Monitor(s) Displays
    Corsair XENEON 32QHD165
    Screen Resolution
    2560 X 1440
    Hard Drives
    1-2TB Samsung 990 Pro PCIe NVMe M2 SSD
    1-4TB Samsung 990 Pro PCIe NVMe M2 SSD
    PSU
    1000 Watt Platinum Dell
    Case
    Alienware
    Cooling
    Liquid Closed Loop
    Keyboard
    Corsair Strafe RGB
    Mouse
    Logitech MK270 Wireless
    Internet Speed
    100Gb's Down-20 Up
    Browser
    Firefox 152.0.2
    Antivirus
    Defender
    Other Info
    Very Quiet And Fast
    CyberPower UPS CP1500PFCLCD

  • At a glance

    PClinuxOS Mate (2025.7)13th Gen Inter(R) Core(TM) i3-1315U64 GB DDR4 @3200 MHz.Internal
    Operating System
    PClinuxOS Mate (2025.7)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel
    CPU
    13th Gen Inter(R) Core(TM) i3-1315U
    Motherboard
    Intel
    Memory
    64 GB DDR4 @3200 MHz.
    Graphics card(s)
    Internal
    Sound Card
    None
    Monitor(s) Displays
    Dell 2419HGCF
    Screen Resolution
    1920 X 1080
    Hard Drives
    SAMSUNG 980 PRO SSD 2TB, PCIe 4.0 M.2 2280
    PSU
    Chicony 30 Watt
    Case
    Small
    Keyboard
    Dell
    Mouse
    Razor
    Internet Speed
    1GB
    Browser
    Slimjet
Lou said:
I've NO Dell Support software on my machine
Click to expand...
You do in bios. It's called Dell Pre-boot system assessment diagnostics. A Dell runs these tests when it sees something it does not like. While not advisable you can turn it off.
To turn off Dell's pre-boot system performance check, you'll need to access the BIOS setup and disable SupportAssist OS Recovery. Here's how:

1. Access BIOS Setup Restart your computer.
  • Press F2 repeatedly as the system starts up to enter the BIOS setup.
2. Locate SupportAssist OS Recovery:
  • Navigate through the BIOS menus to find options related to SupportAssist or Diagnostics.
  • Look for "SupportAssist OS Recovery" or similar wording.
3. Disable SupportAssist OS Recovery:
  • If found, select the option and set it to "Disabled" or "Off".
  • Note that BIOS options may vary slightly depending on your system model.
4. F10 to Save and Exit:
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 26200.8655i9-10900 10 core 20 threads32 gbnone-Intel UHD Graphics 630
    OS
    Windows 11 Pro 25H2 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    2x1tb Solidigm m.2 nvme /External drives 512gb Samsung m.2 sata+2tb Kingston m2.nvme
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    #1 Edge #2 Firefox
    Antivirus
    Defender+MWB Premium

  • At a glance

    Windows 11 Pro 24H2 26200.8457AMD Ryzen 7 6800U32 gbintegrated
    Operating System
    Windows 11 Pro 24H2 26200.8457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink Mini PC SER5
    CPU
    AMD Ryzen 7 6800U
    Memory
    32 gb
    Graphics card(s)
    integrated
    Sound Card
    integrated
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Crucial nvme
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    still too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender
    Other Info
    System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.8457
THANKS for the input Troops-
If I let the PREBOOT CHECK run I get an error message, with a QR code, for my aftermarket CPU fan- it's been in the PC for 3-years
I tried the BIOS hack AGAIN-no change
I'm off to the store for a new PC battery and will get back to you folks when I get home
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.
Stupid question:

Are you sure that you haven't dislodged the CPU fan power cable? That would be the obvious problem caused by cleaning the inside of the PC.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 26200.8728Amd Threadripper 7970X128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)Gigabyte RTX 4090 OC
    OS
    Windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D Rev. 1.0
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Innocn 32" OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Cherry KC 500 MX LP (mechanical)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/250 Mbps (down/up)
    Other Info
    xFinity gateway

  • At a glance

    windows 11 26200.8728Intel I9-13900K64GB G.Skill DDR5-6000Gigabyte RTX 3090 ti
    Operating System
    windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Philips 27E1N8900 27" OLED
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Keyboard
    Cherry Streaming (wired)
    Mouse
    Logitech M500s (wired)
OK-
Got a fresh battery in her and re-checked both of the fan wiring(CPU and case),etc....
NO change
FWIW- I was monitoring system temperatures originally thinking I had a defective fan.....the TEMPS always looked good
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.
I tried a quick Web search.

The XPS 8940 looks like it may have an issue with third party fans.

Did you need to do some sort of work-around when you upgraded the cooler?
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 26200.8728Amd Threadripper 7970X128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)Gigabyte RTX 4090 OC
    OS
    Windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D Rev. 1.0
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Innocn 32" OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Cherry KC 500 MX LP (mechanical)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/250 Mbps (down/up)
    Other Info
    xFinity gateway

  • At a glance

    windows 11 26200.8728Intel I9-13900K64GB G.Skill DDR5-6000Gigabyte RTX 3090 ti
    Operating System
    windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Philips 27E1N8900 27" OLED
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Keyboard
    Cherry Streaming (wired)
    Mouse
    Logitech M500s (wired)

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 26200.8655i9-10900 10 core 20 threads32 gbnone-Intel UHD Graphics 630
    OS
    Windows 11 Pro 25H2 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    2x1tb Solidigm m.2 nvme /External drives 512gb Samsung m.2 sata+2tb Kingston m2.nvme
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    #1 Edge #2 Firefox
    Antivirus
    Defender+MWB Premium

  • At a glance

    Windows 11 Pro 24H2 26200.8457AMD Ryzen 7 6800U32 gbintegrated
    Operating System
    Windows 11 Pro 24H2 26200.8457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink Mini PC SER5
    CPU
    AMD Ryzen 7 6800U
    Memory
    32 gb
    Graphics card(s)
    integrated
    Sound Card
    integrated
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Crucial nvme
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    still too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender
    Other Info
    System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.8457
Well it's working correctly now----
I re seated the case fan AGAIN and rebooted with no check screen this time---
I;m confused and feeling very STUPID
THANKS for your help------ REAL GOOD group of folks here!
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.
PS-
I set the BIOS back to the factory presets and again NO PRECHECK screen
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.
Is there, by chance, a cover switch that is sensing the cover is not installed? I thought those had fallen out of favor, but I see them mentioned from time to time.
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Win 11 Pro 25H2, Build 26200.8737Intel Core i5 1450064GB DDR4GeForce RTX 4060
    OS
    Win 11 Pro 25H2, Build 26200.8737
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14500
    Motherboard
    Gigabyte B760M G P WIFI
    Memory
    64GB DDR4
    Graphics Card(s)
    GeForce RTX 4060
    Sound Card
    Chipset Realtek
    Monitor(s) Displays
    LG 45" Ultragear, Acer 24" 1080p
    Screen Resolution
    5120x1440, 1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 3D NAND NVMe M.2 SSD (O/S)
    Silicon Power 2TB US75 NVMe PCIe Gen4 M.2 2280 SSD (backup)
    Crucial BX500 2TB 3D NAND (2nd backup)
    Seagate 4TB Ironwolf, rotating HDD archive files
    External off-line backup Drives: 2 NVMe 4TB drives in external enclosures
    PSU
    Thermaltake Toughpower GF3 750W
    Case
    LIAN LI LANCOOL 216 E-ATX PC Case
    Cooling
    Lots of fans!
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security

  • At a glance

    Win 11 Pro 25H2, Build 26200.8655Intel Core i5 1440032GB DDR5Intel 700 Embedded GPU
    Operating System
    Win 11 Pro 25H2, Build 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14400
    Motherboard
    Gigabyte B760M DS3H AX
    Memory
    32GB DDR5
    Graphics card(s)
    Intel 700 Embedded GPU
    Sound Card
    Realtek Embedded
    Monitor(s) Displays
    27" HP 1080p
    Screen Resolution
    1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 eD NAND PCIe SSD
    Samsung EVO 990 2TB NVMe Gen4 SSD
    Samsung 2TB SATA SSD
    PSU
    Thermaltake Smart BM3 650W
    Case
    Okinos Micro ATX Case
    Cooling
    Fans
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
  • Nimo N171 17" Laptop, (Intel i3-1215U, 16GB RAM, 2TB NVMe, Win11 Pro)
    Acemagic Vista Mini PC V1 (Intel N150, 16GB RAM, 1TB NVMe, Win11 Pro)
    HP ENVY h8-1540t, (24GB RAM, 2TB SSD, 2TB HDD, Win11 Pro)
NO- there's no cover switch on my PC
FWIW-
Case and CPU fans are both spinning with status checked as OK(8117 and 5684RPM) --as reported by HWINFO64
 

My Computer My Computer

At a glance

WIN11 HOME Version 24H211th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz...32GBNVIDIA GeForce GTX 1650 SUPER
OS
WIN11 HOME Version 24H2
Computer type
PC/Desktop
Manufacturer/Model
DELL XPS 8940
CPU
11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz 2.50 GH
Motherboard
Dell OE
Memory
32GB
Graphics Card(s)
NVIDIA GeForce GTX 1650 SUPER
Sound Card
Realtek Audio (on board)
Monitor(s) Displays
(2) DELL 2007FP
Screen Resolution
1600 X 1200
Hard Drives
C: (OS and APPS) 512GB SSD
D: (data) 1TB SATA
PSU
360W
Case
DELL OE
Cooling
Noctua NF-A9 PWM 92mm case fan and NH-D9L CPU Cooler with 92mm fan
Keyboard
Dell
Mouse
Logitech M705
Internet Speed
1Gb DWN 1Gb UP
Browser
FIREFOX- once in a great while will use EDGE
Antivirus
MS
Other Info
The case fan and CPU cooler were after purchase upgrades...the i7 cpu runs hot and the OE solution can best be described as marginal when CPU intensive apps are used.
ALSO added VRM and SSD passive heatsinks.

My Computer My Computer

At a glance

Windows 11 Pro Insider 64 bit 25H2 26200.5742Intel Core i7 9700K 3.6016 GBnVidia GEForce RTX 2060 Super
OS
Windows 11 Pro Insider 64 bit 25H2 26200.5742
Computer type
PC/Desktop
Manufacturer/Model
Gigabyte Z390 UD
CPU
Intel Core i7 9700K 3.60
Motherboard
Gigabyte Z390 UD
Memory
16 GB
Graphics Card(s)
nVidia GEForce RTX 2060 Super
Sound Card
onboard
Monitor(s) Displays
Two 27" Dell 4K monitors
Screen Resolution
3840 x 2160
Hard Drives
M.2 NVME SSD, 500 GB; Two 2TB Mechanical HDD's
PSU
850w PSU
Case
Cyberpower PC
Cooling
Water cooled
Keyboard
Backlit Cyberpower gaming keyboard
Mouse
Backlit Cyberpower gaming mouse
Internet Speed
1 GB mbps
Browser
Brave
Antivirus
Windows Security
Lou said:
NO- there's no cover switch on my PC
FWIW-
Case and CPU fans are both spinning with status checked as OK(8117 and 5684RPM) --as reported by HWINFO64
Click to expand...
For me, it's usually called a case intrusion sensor. Common on business PCs.

Those RPM numbers are not plausible. I'd blame them on HWInfo.

The fans I have get noisy above 2000 RPM or less. They're Noctua NF-P14s Redux (X6, case fans) and Phanteks T30 120 (X3, AIO cooler upgrades).

I still wonder how you persuaded the Dell to not complain about a third-party CPU fan? (Not that I'm sure that there should have been a problem.) There seems to be a fair amount of online chatter about that.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 26200.8728Amd Threadripper 7970X128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)Gigabyte RTX 4090 OC
    OS
    Windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D Rev. 1.0
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Innocn 32" OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Cherry KC 500 MX LP (mechanical)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/250 Mbps (down/up)
    Other Info
    xFinity gateway

  • At a glance

    windows 11 26200.8728Intel I9-13900K64GB G.Skill DDR5-6000Gigabyte RTX 3090 ti
    Operating System
    windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Philips 27E1N8900 27" OLED
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Keyboard
    Cherry Streaming (wired)
    Mouse
    Logitech M500s (wired)
bobkn said:
For me, it's usually called a case intrusion sensor. Common on business PCs.
Click to expand...
That's the term I was looking for! :LOL:
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Win 11 Pro 25H2, Build 26200.8737Intel Core i5 1450064GB DDR4GeForce RTX 4060
    OS
    Win 11 Pro 25H2, Build 26200.8737
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14500
    Motherboard
    Gigabyte B760M G P WIFI
    Memory
    64GB DDR4
    Graphics Card(s)
    GeForce RTX 4060
    Sound Card
    Chipset Realtek
    Monitor(s) Displays
    LG 45" Ultragear, Acer 24" 1080p
    Screen Resolution
    5120x1440, 1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 3D NAND NVMe M.2 SSD (O/S)
    Silicon Power 2TB US75 NVMe PCIe Gen4 M.2 2280 SSD (backup)
    Crucial BX500 2TB 3D NAND (2nd backup)
    Seagate 4TB Ironwolf, rotating HDD archive files
    External off-line backup Drives: 2 NVMe 4TB drives in external enclosures
    PSU
    Thermaltake Toughpower GF3 750W
    Case
    LIAN LI LANCOOL 216 E-ATX PC Case
    Cooling
    Lots of fans!
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security

  • At a glance

    Win 11 Pro 25H2, Build 26200.8655Intel Core i5 1440032GB DDR5Intel 700 Embedded GPU
    Operating System
    Win 11 Pro 25H2, Build 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14400
    Motherboard
    Gigabyte B760M DS3H AX
    Memory
    32GB DDR5
    Graphics card(s)
    Intel 700 Embedded GPU
    Sound Card
    Realtek Embedded
    Monitor(s) Displays
    27" HP 1080p
    Screen Resolution
    1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 eD NAND PCIe SSD
    Samsung EVO 990 2TB NVMe Gen4 SSD
    Samsung 2TB SATA SSD
    PSU
    Thermaltake Smart BM3 650W
    Case
    Okinos Micro ATX Case
    Cooling
    Fans
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
  • Nimo N171 17" Laptop, (Intel i3-1215U, 16GB RAM, 2TB NVMe, Win11 Pro)
    Acemagic Vista Mini PC V1 (Intel N150, 16GB RAM, 1TB NVMe, Win11 Pro)
    HP ENVY h8-1540t, (24GB RAM, 2TB SSD, 2TB HDD, Win11 Pro)
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