Member Avatar for paduguy

it all started about 4 months ago on a thursday.at first,when i powered up my pc the motherboard cooler started rotating with an incredibly high speed making noise like the turbine of a plane.along with this my computer just wouldn't boot or anything. after turning it off, i tried again. this time it worked and showed the f2 for bios settings stuff. i pressed only to find out that everything was alright except the fact that my pc would freeze when i exited bios.then my games run a lot slower than they used to and not games that have high req but stuff like diablo 2 and star craft 1. it also freezes when it restarts. what can i do????? i can't even run the system restore because of all these.they all started at the same time.u should know that there are also some times when it powers on fine but those are very rare

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The combination of a fan that suddenly spins extremely fast, intermittent boots, freezing as soon as you leave BIOS, and poor performance in simple games points strongly at hardware instability rather than a simple Windows problem. and rightly called out cooling as a likely contributor; if cleaning the machine did not cure it, pursue the following prioritized checks to isolate the failing part.

Start with safe, non-destructive tests. Do a careful visual inspection for bulging or leaking capacitors, scorch marks, or broken connectors. Reset CMOS (power off, unplug, remove the coin cell for a few minutes or use the clear jumper) and boot with BIOS set to defaults — note that clock and custom settings will be lost. Try a minimal hardware boot: one known-good RAM stick in the recommended slot, CPU and cooler, onboard video (no add‑in cards), and no drives. If the system boots past BIOS cleanly in that state, add parts back one at a time to find the culprit.

Run targeted diagnostics: full memory sweeps with MemTest86 (https://www.memtest86.com), and SMART/drive checks with tools such as CrystalDiskInfo (https://crystalmark.info/en/software/crystaldiskinfo/) or smartmontools (https://www.smartmontools.org/). A failing PSU often shows as wild fan behavior or hangs when additional devices are initialized — if possible, swap in a known-good PSU or use a PSU tester. Booting a Linux live USB will reveal whether instability is hardware-level (freezes there too) or confined to Windows.

If hardware checks out, collect Windows logs (Event Viewer) and attempt Safe Mode, chkdsk, and SFC from recovery media; Event Viewer basics are documented by Microsoft (https://learn.microsoft.com/en-us/windows/win32/eventlog/event-logging). Always unplug mains and ground yourself before touching components. If isolation points to a failed board, PSU, or CPU and parts/replacement are not available, consider professional repair or a data-first approach: boot a live USB and back up critical files before further work.

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Member Avatar for Sarge the Poet

Howdy
It Does not sound good. Helpers here will need to know make model etc for your pc. First open case and check for dust vacum and or blow out all dust especaily on the intake ports in the front panel. it sounds like a serious case of restricted airflow. I ruined a motherboard with a similar set of symptoms. It can creep up on you if the case is not checked regularly. Sarge the Poet

Member Avatar for compdoc

I agree with Sarge the Poet, but don't use just any vacuum cleaner. I recommend to start with a can of air and blow out the computer and check to see if the heat sink over the CPU is full of dirt, if it is blow it out with a can of air.

if you do use a vacuum cleaner, buy one that is made to clean computers. other vacuum cleaners can damage the computer because of electrostatic discharge.

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