all my case fans suddenly just died

kimboy

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Hi,

I got my computer back from a friend but i noticed the case fans weren't working. I sent him a txt and he said it was working fine when he had it and my brother said it suddenly stopped working when he was on it so i'm guessing it didn't die due to my friend cleaning it for me.

Only the CPU and GPU fans are running. I have a fan on the side panel wall, back, top and one in front.
The side panel fan works when i connect it to the motherboard and not the power supply.

The back and top fans dont work at all and they are connected to the motherboard via the 4 pin connector? 4 holes made to a square(hope you can understand this).

oo
oo <- like this.

the front and side fans have both oooo cord or ... (3 pin?)

This PC is custom built but the place i bought it from did it for me so everything is neatly done and i cant rearrange most things without cutting the tags that are holding the wiring.

I dont know where to go from here so I need some help.

Heres a link to some photos imgur: the simple image sharer

Pic 1 shows back and top fans not running.

Pic 2 just shows the side fan

Pic 3 dont know if you can see it properly but usually the side fan cord connects to the cord labelled "1" and that cord is connected with the front fan aswell which then is connected to the power supply.

pic 4 just general pic of my comp.
 

My Computer My Computer

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Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz8.00 GBAMD Radeon HD 7900 Series
Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Motherboard
ASUSTeK Computer INC. P8Z68-V
Memory
8.00 GB
Graphics Card(s)
AMD Radeon HD 7900 Series
Sound Card
(1) Microsoft LifeCam VX-5000. (2) Realtek High Definition
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST31000524AS ATA Device
PSU
Cooler Master GX 750W PSU SLI Ready Single +12V Rail 60A PS
Case
NZXT Lexa S Black Steel Mid Tower Chassis
The top fan looks like the one blade is blocked by those yellow wires...

Please fill out your system specs so that we can look up the relevant information on your system.
 

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Win 7 Pro x64/Win 10 Pro x64 dual bootAMD FX 8350 Vishera @ 420016 GB Mushkin Blackline DDR3-2400 @ 1866 (9-1...XFX Radeon R9 280 Double D Black Edition
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Mellon Labs (custom build)
OS
Win 7 Pro x64/Win 10 Pro x64 dual boot
CPU
AMD FX 8350 Vishera @ 4200
Motherboard
ASUS M5A97 R2.0
Memory
16 GB Mushkin Blackline DDR3-2400 @ 1866 (9-10-10-10-31)
Graphics Card(s)
XFX Radeon R9 280 Double D Black Edition
Sound Card
Realtek HD Audio on MB. Sounds great.
Monitor(s) Displays
Acer 24", Acer 22"
Screen Resolution
3840 x 1080
Hard Drives
1 x Mushkin Chronos 120 GB SSD (Win 10)
1 x Samsung 850 EVO 250 GB SSD (Win 7)
1 x WD 1TB SATA Blue
1 x WD 1TB SATA Green
PSU
Corsair TX-750
Case
CoolerMaster HAF 912+
Cooling
Coolermaster Seidon 240M Liquid AIO. 6 case fans
Keyboard
Logitech G710+
Mouse
Logitech G500s
Internet Speed
Much better since I got fiber, but still way overpriced.
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MSE, Malware Bytes for scanning
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Firefox
Other Info
Corsair VOID USB headphones.

A Mellon Labs X-1 - LCD Smartie driven system status display.

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My Computer My Computer

At a glance

Windows 10 Pro. 64/ version 1709 Windows 7 Pr...Intel i7-6800K @ 4.3Corsair Platinum 16 gig @2400EVGA GTX 1070 OC
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home made Desktop
OS
Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
CPU
Intel i7-6800K @ 4.3
Motherboard
ASUS X-99 Deluxe II
Memory
Corsair Platinum 16 gig @2400
Graphics Card(s)
EVGA GTX 1070 OC
Monitor(s) Displays
Asus 27" LED LCD/VE278Q
Screen Resolution
1920-1080 or 1280-720 HDMI
Hard Drives
INTEL SSD 730-240 Gb Sata 3.0/
PSU
EVGA Platium 1200W
Case
Phanteks Luxe Tempered Glass 8 fans/ one radiator
Cooling
XSPC/ Water Cooled CPU
Keyboard
Das 4 Professional
Mouse
Logitech M705/MX Anywhere 2-S
Internet Speed
100 mbits
Antivirus
Microsoft Security Essentials/ Malwarebytes Premium 3.0/ SAS
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I.E. 11 default/Firefox/ ISP Time Warner Cable/Spectrum
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LG BluRay Burner/
Sound system-KLipsch-THX/
Icy Dock ssd Hot Swap bays.
One or more of the pins in the primary Molex "oooo" connector may have gotten pushed out of the rectangular connector box proper. Check to make sure all four pins at the end of the wires are all the way up into the connectors.
 

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windows 7 home premium 64 bitXeon X54608gbmsi afterburner/GeForce GTX 650
Computer type
PC/Desktop
Computer Manufacturer/Model Number
custom build
OS
windows 7 home premium 64 bit
CPU
Xeon X5460
Motherboard
Gigabyte GA-P43-ES3G
Memory
8gb
Graphics Card(s)
msi afterburner/GeForce GTX 650
Internet Speed
30
Antivirus
AVG
Browser
IE 11
One or more of the pins in the primary Molex "oooo" connector may have gotten pushed out of the rectangular connector box proper. Check to make sure all four pins at the end of the wires are all the way up into the connectors.

They were never connected in the first place though
 

My Computer My Computer

At a glance

Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz8.00 GBAMD Radeon HD 7900 Series
Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Motherboard
ASUSTeK Computer INC. P8Z68-V
Memory
8.00 GB
Graphics Card(s)
AMD Radeon HD 7900 Series
Sound Card
(1) Microsoft LifeCam VX-5000. (2) Realtek High Definition
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST31000524AS ATA Device
PSU
Cooler Master GX 750W PSU SLI Ready Single +12V Rail 60A PS
Case
NZXT Lexa S Black Steel Mid Tower Chassis
The top fan looks like the one blade is blocked by those yellow wires...

Please fill out your system specs so that we can look up the relevant information on your system.

Done
 

My Computer My Computer

At a glance

Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz8.00 GBAMD Radeon HD 7900 Series
Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Motherboard
ASUSTeK Computer INC. P8Z68-V
Memory
8.00 GB
Graphics Card(s)
AMD Radeon HD 7900 Series
Sound Card
(1) Microsoft LifeCam VX-5000. (2) Realtek High Definition
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST31000524AS ATA Device
PSU
Cooler Master GX 750W PSU SLI Ready Single +12V Rail 60A PS
Case
NZXT Lexa S Black Steel Mid Tower Chassis
my brother said it suddenly stopped working when he was on it
Connection could have been dislodged during moving.


The side panel fan works when i connect it to the motherboard and not the power supply.

Have you followed the cables back to the connection that connects to the PSU?

It does sound like all fans are on the one molex connection.
 

My Computer My Computer

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8 Pro x64i7 3770K 4.6GHz16GB G.Skill Trident X 2666mhzx2 EVGA 780 Ti Superclocked SLI
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Systems by SmartEyeball
OS
8 Pro x64
CPU
i7 3770K 4.6GHz
Motherboard
ASUS P8Z77 WS
Memory
16GB G.Skill Trident X 2666mhz
Graphics Card(s)
x2 EVGA 780 Ti Superclocked SLI
Sound Card
SB X-FI Surround 5.1 PRO USB / ATH-AD900 Headphones
Monitor(s) Displays
x3 Dell U2410 / 58" Samsung
Screen Resolution
5760*1200/ 1920*1200
Hard Drives
2x Intel 520 240GB (RAID 0) * 2x WD Caviar Blacks 2TB (RAID 0) * 2TB WD Caviar Black * Sony Optirac DVD
PSU
Silverstone Strider Evolution 1200W
Case
Thermaltake Level 10 GT Snow Edition
Cooling
Noctua NH-D14
Keyboard
Topre Realforce // Ducky Shine MX Black // Filco Ninja TKL
Mouse
Thermaltake Theron (Highly Recommended) + Razer Imperator
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MSE
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IE, FF, WaterFox
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GT Extreme V2 Sim Racing Cockpit + 40" LCD and K/B Mouse stand ▼
Fanatec CSR Elite Wheel + Clubsport V1 Pedals + CSR shifter/7G-H ▼Saitek X52 Pro ▼ TrackIR 5 Pro
Buttkicker v2 Seat Rumbler with Dedicated 5.1 and Sub Woofer attached to frame ▼
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Bloody Big Grin
Could you put in your spec what case you are using and what power supply.
 

My Computer My Computer

At a glance

Windows 10 Pro. 64/ version 1709 Windows 7 Pr...Intel i7-6800K @ 4.3Corsair Platinum 16 gig @2400EVGA GTX 1070 OC
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home made Desktop
OS
Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
CPU
Intel i7-6800K @ 4.3
Motherboard
ASUS X-99 Deluxe II
Memory
Corsair Platinum 16 gig @2400
Graphics Card(s)
EVGA GTX 1070 OC
Monitor(s) Displays
Asus 27" LED LCD/VE278Q
Screen Resolution
1920-1080 or 1280-720 HDMI
Hard Drives
INTEL SSD 730-240 Gb Sata 3.0/
PSU
EVGA Platium 1200W
Case
Phanteks Luxe Tempered Glass 8 fans/ one radiator
Cooling
XSPC/ Water Cooled CPU
Keyboard
Das 4 Professional
Mouse
Logitech M705/MX Anywhere 2-S
Internet Speed
100 mbits
Antivirus
Microsoft Security Essentials/ Malwarebytes Premium 3.0/ SAS
Browser
I.E. 11 default/Firefox/ ISP Time Warner Cable/Spectrum
Other Info
LG BluRay Burner/
Sound system-KLipsch-THX/
Icy Dock ssd Hot Swap bays.

My Computer My Computer

At a glance

Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz8.00 GBAMD Radeon HD 7900 Series
Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Motherboard
ASUSTeK Computer INC. P8Z68-V
Memory
8.00 GB
Graphics Card(s)
AMD Radeon HD 7900 Series
Sound Card
(1) Microsoft LifeCam VX-5000. (2) Realtek High Definition
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST31000524AS ATA Device
PSU
Cooler Master GX 750W PSU SLI Ready Single +12V Rail 60A PS
Case
NZXT Lexa S Black Steel Mid Tower Chassis
my brother said it suddenly stopped working when he was on it
Connection could have been dislodged during moving.


The side panel fan works when i connect it to the motherboard and not the power supply.

Have you followed the cables back to the connection that connects to the PSU?

It does sound like all fans are on the one molex connection.

It was working fine then suddenly the fans stopped working and I've checked the connections.

The cables are hard to manoeuvre around because they go in and out of some metal L shaped frame around the motherboard and the PSU has a covering except for a small circle for all the cords to come out of.
 

My Computer My Computer

At a glance

Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz8.00 GBAMD Radeon HD 7900 Series
Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Motherboard
ASUSTeK Computer INC. P8Z68-V
Memory
8.00 GB
Graphics Card(s)
AMD Radeon HD 7900 Series
Sound Card
(1) Microsoft LifeCam VX-5000. (2) Realtek High Definition
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST31000524AS ATA Device
PSU
Cooler Master GX 750W PSU SLI Ready Single +12V Rail 60A PS
Case
NZXT Lexa S Black Steel Mid Tower Chassis
I just found a wiring from the top fan that goes through behind the motherboard down to somewhere which i'm guessing it gets connected to the powersupply? i thought the yellow cords that connect to the motherboard were each from top and back fan therefore the yellowcords are either cords for just the back fan or each cord is actually from back and top fan but must be another wiring somewhere for the front fan to connect to the power supply too then?

hope that makes sense
 

My Computer My Computer

At a glance

Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz8.00 GBAMD Radeon HD 7900 Series
Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Motherboard
ASUSTeK Computer INC. P8Z68-V
Memory
8.00 GB
Graphics Card(s)
AMD Radeon HD 7900 Series
Sound Card
(1) Microsoft LifeCam VX-5000. (2) Realtek High Definition
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST31000524AS ATA Device
PSU
Cooler Master GX 750W PSU SLI Ready Single +12V Rail 60A PS
Case
NZXT Lexa S Black Steel Mid Tower Chassis
I personally will need pictures of both side of your system with the side panels off. It sounds like you have a rats nest for wiring.
 
Last edited:

My Computer My Computer

At a glance

Windows 10 Pro. 64/ version 1709 Windows 7 Pr...Intel i7-6800K @ 4.3Corsair Platinum 16 gig @2400EVGA GTX 1070 OC
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home made Desktop
OS
Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
CPU
Intel i7-6800K @ 4.3
Motherboard
ASUS X-99 Deluxe II
Memory
Corsair Platinum 16 gig @2400
Graphics Card(s)
EVGA GTX 1070 OC
Monitor(s) Displays
Asus 27" LED LCD/VE278Q
Screen Resolution
1920-1080 or 1280-720 HDMI
Hard Drives
INTEL SSD 730-240 Gb Sata 3.0/
PSU
EVGA Platium 1200W
Case
Phanteks Luxe Tempered Glass 8 fans/ one radiator
Cooling
XSPC/ Water Cooled CPU
Keyboard
Das 4 Professional
Mouse
Logitech M705/MX Anywhere 2-S
Internet Speed
100 mbits
Antivirus
Microsoft Security Essentials/ Malwarebytes Premium 3.0/ SAS
Browser
I.E. 11 default/Firefox/ ISP Time Warner Cable/Spectrum
Other Info
LG BluRay Burner/
Sound system-KLipsch-THX/
Icy Dock ssd Hot Swap bays.
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