I have an acer aspire 5710 laptop that ive had for nearly 5 years now. If I turn the laptop off before the CPU overheats, and then turn it back on, the fan again runs for a few seconds. Runs fine for the first few seconds. In the last few months it would sometimes not start unless I turned off the power strip connected to the wall outlet and then turned it back on. This time the fans ran at top speed! I dusted out the original PSU and re-installed it. I hear the beep, and then in few seconds, before one saves and exits in BIOS, shuts off on its own. The following is my Pc spec: i7 6700k Asus maximus viii hero Corsair rm750i Here is how to solve the problem of the pc startup problem. Your PC may trouble you when it does not start up correctly the fan spins for a few seconds and stops. ... Of course, once laptop is powered on, the fan starts to work at the POST stage too. Remove all the peripheral device that’s connected It was my CPU fan which stopped working after 5 seconds while making somewhat of a strange noise (maybe it touches something). I had this issue before and after trying a different PSU and it worked, I therefore sent the PSU back, however the replacement PSU has the same issue. The power supply LED is lit and not flashing, and the fan in the power supply runs. These pc startup problem are found when the system detects some power issue. When I turn it on, the CPU fan and the case fan turn on, but quickly slow down to a stop in about 3 seconds. The CPU fan spins for a few seconds then stops, the PC will not boot, there are no displays on the motherboard screen. I tried turning it on again but the same thing keeps happening. Fan issue persisted. Installed 1 DIMM, powered on and finally the computer BIOS loads! 13 years ago We had a power outage about a week ago and I had turned my cpu off since it was a planned power outage. Powered on confirmed that the PSU fan was working ok. Thanks. The laptop itself dies two to three seconds later after the fan stopped. #Retro. Other than that , I get no signal to the monitor and it goes directly to sleep. I removed all the RAM and powered on. Yesterday though, i tried turning it on and the fan suddenly stopped working after a few seconds. The fan stops after a few seconds but the laptop continues to boot till the CPU overheatsl. - Collapse - x220 • Gobi 2000 3g | hdd, msata ssd, wwan, wifi, gps -- unique config ThinkPad 25 Special Anniversary Edition. 1. Have cleaned the fan and removed dust from fins but still stops. Laptop turns on but no display and fan stops after a few seconds Hi I have an Acer aspire laptop V5-551 and when I press the power button it boots up however there is no display on the screen and the fan stops after a few seconds. I replaced the onboard battery. I powered off. The computer worked fine for a year. 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