Computer Turns On But No Display and CPU Fan doesn't Spin

[jei_kobu]

Hey everyone,

I've recently had problems with my pc that I can't seem to fix.

Whenever I power on my PC, the case fan turns on and starts spinning as well as the green light on the motherboard turns on when i turn my psu on. However, there's no display on my screen as well as the cpu fan doesn't spin. There's also no beep upon startup.

I took the RAM sticks out as well as switched them in the slots but the problem persists.

I also unplugged all wires with my PSU turned off and took out my CMOS battery for 15-30 minutes yet nothing changed when i put it back in. I even reinstalled the psu, motherboard, and all of the wires yet nothing happened.

I just recently ordered a new PSU and motherboard within the last 2 weeks thinking they could have been the problem seeing as before with my old setup, my PC would stay on for 5 minutes then turn off without rebooting.

Here are the new motherboard and PSU models I ordered:

psu- Corsair CX550 550W ATX12V 80 PLUS BRONZE CERTIFIED ACTIVE PFC POWER SUPPLY

motherboard- ASUS M5A97 r2.0

Any help would be amazing!!

 

[rgd1101]

Need full system spec

 

[alexoiu]

Hi, Is the 8 pin power cable connected to the motherboard? If yes, try connecting the CPU fan to a case fan header and a case fan to the CPU fan header. See if the CPU fan does spin in this case.

 

[jei_kobu]

Need full system spec

motherboard - ASUS M5A97 r2.0
psu- Corsair CX550
gpu- EVGA Nvidia Geforce GTX 1050Ti
cpu- Cooler Master CM12V
RAM- Two 4GB DDR3 Corsair Value Select
Hard Rive- Toshiba 1TB Sata III
Optical Drive Type- DVD+RW

Let me know if you'd like any more details on anything!

 

[smashjohn]

It sounds like you're turning the PSU on, but not the motherboard. A green light means that your motherboard has power, and it's in standby or sleep mode. Have you connected the 20-8 pin panel for your power and reset buttons? This panel has to be connected so you can press the power button on your motherboard.

 

[jei_kobu]

It sounds like you're turning the PSU on, but not the motherboard. A green light means that your motherboard has power, and it's in standby or sleep mode. Have you connected the 20-8 pin panel for your power and reset buttons? This panel has to be connected so you can press the power button on your motherboard.

Hey! So I have the Power button ("Power SW") 2 pin connector plugged into my motherboard but I don't believe I have a 20-8 pin panel for a reset button.

 

[jei_kobu]

Hi, Is the 8 pin power cable connected to the motherboard? If yes, try connecting the CPU fan to a case fan header and a case fan to the CPU fan header. See if the CPU fan does spin in this case.

Hey, I do have the 8 pin power cable connected into the mobo and have the cpu and case fan connectors connected into their respected locations and the case fan is working fine but i cant seem to get the cpu fan spinning.

 

[alexoiu]

Hi, Is the 8 pin power cable connected to the motherboard? If yes, try connecting the CPU fan to a case fan header and a case fan to the CPU fan header. See if the CPU fan does spin in this case.

Hey, I do have the 8 pin power cable connected into the mobo and have the cpu and case fan connectors connected into their respected locations and the case fan is working fine but i cant seem to get the cpu fan spinning.

Have you tried switching the fans? If not, try it and see what happens.

 

[jei_kobu]

Hi, Is the 8 pin power cable connected to the motherboard? If yes, try connecting the CPU fan to a case fan header and a case fan to the CPU fan header. See if the CPU fan does spin in this case.

Hey, I do have the 8 pin power cable connected into the mobo and have the cpu and case fan connectors connected into their respected locations and the case fan is working fine but i cant seem to get the cpu fan spinning.

Have you tried switching the fans? If not, try it and see what happens.

Could you explain a bit more in depth if possible? If you're talking about the position of the actual fans then I don't believe that would be able to work for the reason that the case fan is larger in size then the cpu fan.

 

[smashjohn]

Just to be clear: you plug into power, turn on the PSU, green light on the motherboard turns on, you press the power button connected to your motherboard, and then what happens?

If fans start spinning, but nothing else happens, then your bios isn't functioning. You may have a short (check your standoffs under the motherboard to see if one is unused and in the wrong location), the bios could be fried, or your motherboard may not have a speaker connected onboard to provide post beep error codes.

Make sure you have only your video card, cpu, and one memory stick installed. Check the motherboard's CPU and Memory compatibility chart to make sure your devices are supported. Check you power connections to make sure they aren't off by a pin. Make sure you have both the big 24 pin ATX power cable connected, and the little 8 pin CPU power cable connected. Lastly, double check that power 2-pin power button connection to make sure it's in the right spot.

 

[alexoiu]

Hi, Is the 8 pin power cable connected to the motherboard? If yes, try connecting the CPU fan to a case fan header and a case fan to the CPU fan header. See if the CPU fan does spin in this case.

Hey, I do have the 8 pin power cable connected into the mobo and have the cpu and case fan connectors connected into their respected locations and the case fan is working fine but i cant seem to get the cpu fan spinning.

Have you tried switching the fans? If not, try it and see what happens.

Could you explain a bit more in depth if possible? If you're talking about the position of the actual fans then I don't believe that would be able to work for the reason that the case fan is larger in size then the cpu fan.

I mean disconnecting the CPU fan 4 pin cable and connecting it to a case fan header. Then connecting a case fan to the CPU_Fan header on the motherboard. Starting the board and checking if both CPU and case fan do spin, or, if only one fan, which one.

 

[jei_kobu]

Just to be clear: you plug into power, turn on the PSU, green light on the motherboard turns on, you press the power button connected to your motherboard, and then what happens?

If fans start spinning, but nothing else happens, then your bios isn't functioning. You may have a short (check your standoffs under the motherboard to see if one is unused and in the wrong location), the bios could be fried, or your motherboard may not have a speaker connected onboard to provide post beep error codes.

Make sure you have only your video card, cpu, and one memory stick installed. Check the motherboard's CPU and Memory compatibility chart to make sure your devices are supported. Check you power connections to make sure they aren't off by a pin. Make sure you have both the big 24 pin ATX power cable connected, and the little 8 pin CPU power cable connected. Lastly, double check that power 2-pin power button connection to make sure it's in the right spot.

Hey John and thank you for your help so far! So after I turn the power on that's connected to my mobo, the case fan seems to start working fine as it starts spinning and lights up upon powering it on but the CPU fan doesn't spin. I have the 8 pin CPU power cable plugged in to the correct slot along with the 24 pin atx power cable where it should be.
I also tried powering my pc on with different combos of only 1 ram stick in each slot for both my ram sticks. My motherboard is ddr3 compatible as well but I'm not totally certain if my CPU is compatible even though there are slots on my mobo that my CPU is able to plug into.
Again thanks for your help so far!

 

[Darkvillain]

Try to remove your GPU, then do the one stick of ram trick, try every slot until it boots up properly (use onboard graphics for this) if this doesn't work, move on to the next step of troubleshooting 😛

 

[smashjohn]

Just to be clear: you plug into power, turn on the

Hey John and thank you for your help so far! So after I turn the power on that's connected to my mobo, the case fan seems to start working fine as it starts spinning and lights up upon powering it on but the CPU fan doesn't spin. I have the 8 pin CPU power cable plugged in to the correct slot along with the 24 pin atx power cable where it should be.
I also tried powering my pc on with different combos of only 1 ram stick in each slot for both my ram sticks. My motherboard is ddr3 compatible as well but I'm not totally certain if my CPU is compatible even though there are slots on my mobo that my CPU is able to plug into.
Again thanks for your help so far!

There is only one spot for your CPU to go. Your GPU (graphics) should be in the first slot, closest to the CPU. Here's the CPU compatibility chart for your motherboard: https://www.asus.com/us/Motherboards/M5A97_R20/HelpDesk_CPU/

No problem! I hope you can get your system running

 

[jei_kobu]

Just to be clear: you plug into power, turn on the

Hey John and thank you for your help so far! So after I turn the power on that's connected to my mobo, the case fan seems to start working fine as it starts spinning and lights up upon powering it on but the CPU fan doesn't spin. I have the 8 pin CPU power cable plugged in to the correct slot along with the 24 pin atx power cable where it should be.
I also tried powering my pc on with different combos of only 1 ram stick in each slot for both my ram sticks. My motherboard is ddr3 compatible as well but I'm not totally certain if my CPU is compatible even though there are slots on my mobo that my CPU is able to plug into.
Again thanks for your help so far!

There is only one spot for your CPU to go. Your GPU (graphics) should be in the first slot, closest to the CPU. Here's the CPU compatibility chart for your motherboard: https://www.asus.com/us/Motherboards/M5A97_R20/HelpDesk_CPU/

No problem! I hope you can get your system running

That may be the problem! The motherboard is compatible with the cpu i have which is an FX-4300 but i just realized that the cpu is still connected to my old motherboard and that i had only uninstalled the cpu fan and heatsink from the old motherboard and not the cpu itself.


UPDATE: I installed the new cpu into my new motherboard yet nothing changes. The DRAM LED also flashes a couple of times when i power on my pc.

Also i should mention that there are only about 3 screws screwed in from my motherboard to the standoffs in my pc if that would have anything to do with it. The only reason that there are 3 instead of the 6 screws I was given is that i can't seem to line up all of the standoffs with my motherboard.

 

[smashjohn]

Do you have 3 standoffs or 6 standoffs under your motherboard? Unused & Misaligned standoffs will create electrical short circuits; if a motherboard detects these, it has safeguards that will prevent powering up. Make sure every standoff you use has a corresponding hole in the motherboard and is screwed in.

If the DRAM light stays lit, then your RAM is not installed properly or not supported. You might also try pressing and holding the MemOK! button, which could help.

Make sure you walk through the manual for your motherboard. There's a lot going on here

http://dlcdnet.asus.com/pub/ASUS/mb/SocketAM3+/M5A97_R2.0/E8046_M5A97_R2.pdf

 

[jei_kobu]

Do you have 3 standoffs or 6 standoffs under your motherboard? Unused & Misaligned standoffs will create electrical short circuits; if a motherboard detects these, it has safeguards that will prevent powering up. Make sure every standoff you use has a corresponding hole in the motherboard and is screwed in.

If the DRAM light stays lit, then your RAM is not installed properly or not supported. You might also try pressing and holding the MemOK! button, which could help.

Make sure you walk through the manual for your motherboard. There's a lot going on here

http://dlcdnet.asus.com/pub/ASUS/mb/SocketAM3+/M5A97_R2.0/E8046_M5A97_R2.pdf

hey john, sorry for late reply, i was able to get all 6 standoffs connected to my motherboard. and i found out the problem was with my cpu fan itself so i ordered a new one. My pc is now able to boot up but i get the F1 error. It may be because the cpu fan connector is connected to one of the sys_fan's not the cpu_fan port but the cpu fan won't spin when it's connected into the cpu_fan port and only spins in the sys_fan ports. Should i change something in my BIOS?

 

[smashjohn]

Yes, there is probably a bios option to 'ignore errors on startup', or 'halt on error=false'. I don't know what it is for that bios though. I'm glad you got it running!