Member Avatar for NKReddy

Hi All,

monitor flickering and nothing is displayed on the screen while I try to start the computer.
I observe the following while starting computer.
1. Monitor flickering and nothing showing on the screen.
2. Sometimes processor fan off automatically when it try to give display on monitor during starting computer.
3. SD RAM is heating during system start up?

In all the cases nothing is displayed on the monitor..
Please help me in this regagrd..

Thanks in advance..

-Keshav

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  • Latest Post Latest Post by yunusbhayat

Dani AI

Generated

reports monitor flicker with no image, the CPU fan cutting out when the system tries to initialise video, and RAM getting hot at startup. Those combined symptoms point toward hardware problems—most commonly power delivery (PSU), the motherboard, or the video card—rather than drivers or the OS. was on the right track thinking board or GPU; ’s “funny colours” and freezing help narrow it: colored artifacts that appear before the OS typically implicate the GPU or its memory, while systems that never POST or whose fans die when video is initialised often have PSU collapse, a short, or a motherboard fault.

Try the following safe, ordered checks to isolate the fault:

  • Power down, unplug, and ground yourself before touching components.

  • Strip to minimal hardware: CPU, one known-good RAM stick in the primary slot, and onboard video (or remove discrete GPU). Power on and watch for POST/beep codes or diagnostic LEDs.

  • Swap RAM sticks and slots to rule out a bad DIMM or slot. Warm RAM can be normal; very hot to the touch is not.

  • Remove the discrete GPU and test with a different monitor/cable or the onboard video. If artifacts occur in BIOS/POST, the GPU is suspect.

  • Test or swap the PSU. A PSU that sags under initial load can make fans cut and prevent display. Use a known-good PSU or a PSU tester/multimeter if available.

  • Inspect the motherboard for bulging capacitors, burn marks, loose standoffs, or board shorts; consider “breadboarding” the board outside the case to rule out a chassis short.

  • If the system reaches the OS and artifacts appear only there, update drivers and monitor GPU temperatures; if problems occur before the OS, treat it as hardware failure and avoid prolonged power cycles.

If comfortable doing component swaps, use those to confirm the failing part; otherwise avoid repeated power-on attempts and seek professional service if the machine is under warranty.

Member Avatar for lazoras

bad motherboard or dieing/dead graphics card (if its not integrated) are the two things that come to my mind.

can you see anything or hear anything other than flickering? also...just to be sure 100% have you tried testing the psu?

Member Avatar for yunusbhayat

hi guys i get all funny colours on my screen but thats all nothing else happens the screen freezes?, will that be the motherboard? any help will e appreciated, many thanks in advance

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