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The computer does not turn on i.e. everything is spinning but there is no pictur

mezzo92 131224 32
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How do I diagnose a PC that powers on with all fans spinning but shows no picture and no startup beep, even after replacing the graphics card?

Check the power supply first, because this symptom often points to a PSU problem rather than the graphics card [#11032297][#11031698] If you have a multimeter, measure the PSU voltages, or temporarily replace it with a known-good unit [#11032297] Then disconnect all disks, drives, PCI cards, and RAM, leaving only the motherboard, CPU, and PSU; if the onboard speaker beeps, add the parts back one by one until the fault reappears [#11032297][#11033038] Also inspect the motherboard, especially the capacitors near the CPU socket, for any swelling or leakage, because faulty caps can cause exactly this no-POST symptom [#11030485] If the board has integrated graphics, try connecting the monitor there as another quick check [#11031698]
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  • #1 11030375
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    Hi
    Recently, after returning from school, I turn on the computer and it turns out that it does not work because everything is lit, what must be spinning is spinning but there is no image or beep at the start, so it does not work.
    At first I thought it was a graphic art; / so I bought a new one, but it's not her :(
    So this is my equipment:

    Motherboard: Nvidia 6100
    Processor: AMD Athlon IIx2 245 2.9GHz
    Ram: DDR2-667 3GB
    Hard Drive: 500GB Sata
    Graphics card : NVidia GEFORCE GT 610 2048MB
    Power supply: Qoltec Baseline 420 230v ~, 50Hz, 4A 420w
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  • #2 11030385
    electro_Nick
    Level 33  
    Posts: 1721
    Help: 218
    Rate: 203
    Did you reset the BIOS? The power supply is an invention too ...
  • #3 11030394
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    I do not see the bios. Nothing shows to me, just since I turned on the computer with the button, I have a black screen.
    Edit #
    As for the battery, that's how I did it
  • #4 11030407
    electro_Nick
    Level 33  
    Posts: 1721
    Help: 218
    Rate: 203
    Well, reset it with a jumper or disconnect it from the mains and remove the battery for a few (for a dozen) minutes.
  • #5 11030439
    polykaczognia
    Level 10  
    Posts: 6
    Rate: 6
    There is no point in taking the batteries out for that long. It is enough to disconnect the computer from the cutter, remove the battery and press the switch for a moment (2-3 seconds) for the capacitors to discharge. This will cut the power from the BIOS memory, which in effect will reset it, and then the battery in its place and the computer to electricity. Should help.
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  • #6 11030446
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    I did so and nothing.
    I don't know about these things but I doubt it's bios ..
    The situation is this. I click the button to turn on the computer, all the fans are spinning, I hear that something is still going on there ... and so much no picture and no beeping that it works
  • #7 11030457
    electro_Nick
    Level 33  
    Posts: 1721
    Help: 218
    Rate: 203
    Well, either a processor or a motherboard, or a power supply ... If you have something that could be replaced from another set, you would be sure what exactly needs to be replaced.
  • #8 11030463
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    it is possible that the power supply because I remember that once the fan from it was buzzing to me until it stopped, so maybe it overheated or something? Thanks for your help. I will replace the power supply and check.
  • Helpful post
    #9 11030485
    Krzewka
    Level 14  
    Posts: 125
    Help: 9
    Rate: 41
    About a week ago I got this computer repaired. The symptoms are identical.
    The culprits were the poured and swollen capacitors adjacent to the CPU socket.
    I recommend you to check them out. If they are even slightly swollen, rusty from leaking electrolyte, this is definitely the cause of the defect and they should either be soldered to new ones, or the motherboard should be replaced.
    You can also take decent photos of the motherboard (if you can, of course) and postpone it in the post if you don't know where to look for these elements. Maybe we can check them in the photos.

    Greetings!
  • #10 11031422
    drzymek79
    Level 10  
    Posts: 16
    Help: 1
    Rate: 13
    If the computer starts and everything shakes, I bet on the graphics card, especially if it is some Geforce
    Check if you have the loudspeaker connected to the motherboard, you should have error beeps when starting POST.
    Tip what and how
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  • #11 11031566
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    Capacitors rather not, I checked them all and they look like new; /
    And Drzymek wrote above that he does not start, he does not work, only the fans are spinning ... and it is also written above that there is no sound
    It was tested on GrForce and earlier on ATI I do not remember which jkb speaker is plugged in

    I read this at the beginning https://www.elektroda.pl/rtvforum/topic1380526.html and I think it might be a power supply; /
  • Helpful post
    #12 11031698
    drzymek79
    Level 10  
    Posts: 16
    Help: 1
    Rate: 13
    You wrote that the windmills are starting, but nothing is displayed.
    if this is the case, it means that it gets power to the motherboard - in my opinion, the power supply falls off
    You did not accidentally detach the cable from the monitor?
    The method to check the system speaker is to pull out the bones of the frame and fire up the PC, if you open it, you have it and it works.
  • #13 11031837
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    screen no :) because I have a lapotop connected, I am absent :D I'll see if he squeals in a moment
    Okay, he squealed 3 times :)
  • #14 11031925
    drzymek79
    Level 10  
    Posts: 16
    Help: 1
    Rate: 13
    connect the monitor to various ports on the card, turn it on and wait about 1-2 minutes
  • #15 11031975
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    for HDMI also does not work when I connect to the TV; / it's not a card because today I connected the newly bought one and nothing the same as with the old one :(
  • #16 11032010
    Anonymous
    Anonymous  
  • #17 11032043
    drzymek79
    Level 10  
    Posts: 16
    Help: 1
    Rate: 13
    do you have integrated graphics on the board? if so, it's worth calling it and maybe you'll see something :) , and turn it off in bios
  • #18 11032049
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    I don't understand the question :)
    In the box I had a Card, a CD and a warranty :P
    More precisely http://allegro.pl/najnowszy-palit-geforce-gt610-2gb-2048mb-ddr3-dx11-i2431717842.html

    but probably the bios should show without these dupes?
    How do I change my bios? I have nothing on the screen to show anything at all from the click of a button :P
    And as I wrote earlier, it is not Capacitors :P
  • Helpful post
    #19 11032297
    kolys
    Level 20  
    Posts: 277
    Help: 38
    Rate: 56
    Check the power supply first. If you have a meter, measure the voltage
    https://www.elektroda.pl/rtvforum/topic1199202.html

    Alternatively, disassemble the power supply and check if the capacitors are swollen. Disconnect all disks, drives, tapes, memory, PCI cards, if any, from the motherboard. Leave only the power supply and CPU connected and start the computer. If the on-board speaker squeaks, turn off the computer and connect one part in sequence Memory, graphics and the rest until it stops beeping.
  • Helpful post
    #20 11032827
    kosiarzxx
    Level 14  
    Posts: 114
    Help: 7
    Rate: 15
    drzymek79 wrote:
    do you have integrated graphics on the board? if so, it is worth connecting to it and maybe you will see something :) , and turn it off in bios


    It sounds weird ..


    But coming back to the topic, as my colleague said above, it is best to disconnect everything and check if it squeals.

    If you gave a specific motherboard model, I would be grateful.
  • #21 11032944
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    I only know that the motherboard is Nvidia 6100 as in the first post.
    After lunch, I'll disconnect everything and reconnect when I'm done, and write this
  • #22 11032950
    kosiarzxx
    Level 14  
    Posts: 114
    Help: 7
    Rate: 15
    The Nvidia 6100 is your integrated graphics :)
  • #23 11032986
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    on the sticker stuck by "Komputer FENIX" that it is a motherboard
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  • #24 11032994
    kosiarzxx
    Level 14  
    Posts: 114
    Help: 7
    Rate: 15
    heh :) is it some store that put this up?

    they probably meant the nvidia 6100 chipset, which is actually the nF430 south bridge.


    Which does not change the fact that we still do not know what the main one is.
  • #26 11033010
    kosiarzxx
    Level 14  
    Posts: 114
    Help: 7
    Rate: 15
    Maybe you tried to connect it to different inputs in the strip? Sounds silly but it helped me a few years ago ...

    Did you replace the power supply with a different one?

    at least we already know the motherboard, it is from MSI
  • #27 11033026
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    The strip is certainly not :) because I connected both at my place and in the living room :P
    I have not changed the power supply yet because I do not have another one yet :(
    Maybe I can find one in the basement, I will replace it and let you know.
  • Helpful post
    #28 11033038
    kosiarzxx
    Level 14  
    Posts: 114
    Help: 7
    Rate: 15
    If it did not lie in moisture, then approx :) and if it is less powerful, disconnect everything except the processor and check if the buzzer will be squeaking.
  • #29 11033174
    mezzo92
    Level 9  
    Posts: 17
    Rate: 34
    After disconnecting everything and reconnecting everything works fine :)
    I am thankful to everyone here :)
  • #30 11033176
    kosiarzxx
    Level 14  
    Posts: 114
    Help: 7
    Rate: 15
    You just reconnected everything without changing the power supply, right?
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Topic summary

✨ The user reports that their computer powers on with fans spinning but displays a black screen and emits no beeps. Initial troubleshooting included replacing the graphics card, which did not resolve the issue. Suggestions from the forum included resetting the BIOS, checking the power supply, and inspecting the motherboard for swollen capacitors. The user confirmed that the capacitors appeared normal and suspected the power supply due to previous buzzing sounds. After disconnecting and reconnecting all components, the computer functioned again, but later issues arose with the RAM not being detected. The discussion highlights the importance of systematic troubleshooting in diagnosing hardware failures.
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FAQ

TL;DR: 54 % of “fans-spin-but-no-image” desktop faults are fixed by reseating cables, RAM or GPU [Puget Systems, 2021]. “Start with the power supply” [Elektroda, electro_Nick, post #11030457] Verify ATX voltages, clear CMOS, then re-attach components one at a time.

Why it matters: These 5-minute checks can save hours of blind part swaps.

Quick Facts

• ATX +12 V rail must stay between 11.40 V and 12.60 V [Intel, 2020]. • CMOS CR2032 battery: 3.0 V ± 10 % typical lifespan 5 years [Panasonic, 2019]. • AMI BIOS 3 short beeps = memory failure [AMI, 2018]. • Entry-level 450 W 80 Plus PSU costs US$35–45 [PCPartPicker, 2024]. • Swollen electrolytic capacitors gaining >0.5 mm height indicate failure [Nichicon, 2020].

Why does my PC power on but show no image or POST beep?

The board receives 12 V for fans, yet other rails or signals may be absent. Common culprits are loose RAM, unseated GPU, failed PSU secondary rails, or corrupted CMOS settings. Over half of cases resolve after reseating modules and power connectors [Puget Systems, 2021][Elektroda, mezzo92, post #11033174]

Can the power supply be bad even when fans spin?

Yes. Fans draw little current on the +12 V rail, while the CPU and chipset need stable +12 V, +5 V, and +3.3 V. If any rail drifts outside the ±5 % ATX window the system will halt despite fan motion [Intel, 2020][Elektroda, mezzo92, post #11030463]

How do I reset the CMOS safely?

  1. Unplug AC power. 2. Move the CLR_CMOS jumper for 5 seconds or pull the battery, then press the power button 3 seconds to discharge capacitors [Elektroda, polykaczognia, post #11030439] 3. Return jumper or battery, reconnect AC, and boot. This forces default BIOS settings.

What do three short beeps mean on an MSI K9N6PGM2-V?

The board uses AMI BIOS; three short beeps signal RAM not detected or faulty [AMI, 2018]. User report of three beeps after removing memory matches this code [Elektroda, mezzo92, post #11031837]

How can I isolate the failing component quickly?

Boot with only PSU, CPU, and speaker connected. If it beeps, add RAM; re-test. Next add GPU, then drives. Stop when POST fails. This staged approach located the fault in minutes for the thread author [Elektroda, kolys, post #11032297]

Can bad capacitors really cause a blank screen?

Yes. Leaking or swollen VRM capacitors near the CPU can drop voltage and prevent POST. Capacitors rated 2 000–5 000 h at 105 °C often fail sooner under heat [Nichicon, 2020]. A forum member fixed identical symptoms by replacing swollen caps [Elektroda, Krzewka, post #11030485]

Does integrated graphics override my new PCIe card?

If CMOS resets, the board may default to the embedded Nvidia 6100 GPU and ignore the discrete card until BIOS is set to “PCIe first.” Without a display you can clear CMOS, then connect the monitor to the motherboard port to reach BIOS [Elektroda, drzymek79, post #11032043]

Which voltages should I measure on an ATX connector?

Pin-outs: +12 V (yellow) 11.40–12.60 V, +5 V (red) 4.75–5.25 V, +3.3 V (orange) 3.14–3.47 V, and PS_ON (green) should read <0.8 V when the button is pressed [Intel, 2020]. Any rail outside range means the PSU must be replaced.

Pulling all RAM produced no beeps—why?

Possible causes: 1. Case speaker disconnected or failed [Elektroda, drzymek79, post #11031698] 2. BIOS chip corrupt, preventing any POST. 3. Edge case: a shorted USB header can hang POST before beep codes; disconnect front-panel USB to test [Cisco, 2019].

Could the monitor or cable be the real problem?

Yes. A bent VGA/HDMI pin or loose power lead keeps the monitor in standby. Always test another cable and input; the thread author confirmed the issue persisted on two displays, ruling cables out [Elektroda, mezzo92, post #11031975]

How much power does an Athlon II X2 with a GT 610 need?

The combo draws about 140 W under full load; a quality 350 W–450 W PSU gives 40 % headroom for aging and USB devices [TechPowerUp, 2022].

What is the fastest 3-step checklist when a PC shows no picture?

  1. Kill power, reseat RAM and GPU, and reconnect ATX/EPS plugs.
  2. Clear CMOS as described above.
  3. Boot with PSU + CPU + speaker only; add parts one by one until failure recurs. This sequence solved the forum case in under 10 minutes [Elektroda, mezzo92, post #11033174]
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