Question Opened laptop for cleanup, now it has trouble starting up quickly

[Tanmay G]

So I had some dust stuck in the intake vent and I opened the laptop for its first good cleanup in 9 years. I got carried away and opened the whole thing up(removed the hard drive, RAM sticks) just to have a look. After getting bored I closed it up and tried to boot it up. The first time I did this the laptop beeped non stop for a whole minute while displaying a black screen with a blinking cursor. It shut up after a while and then probably restarted, after which it was running windows without any hiccups. The problem is after this, it now always takes a long time to start, being stuck on the black screen, then on the windows logo, then finally windows starts up. After about one month with this, the laptop takes consistently 3 minutes to start up, prior to this it was less than a minute. What could be the issue here?

 

[RyzenNoob]

Seems like you've probably knocked a few component out of their seatings, when Windows has finally finished started up, what does it report in the memory section? Does this have an fan to cool the cpu/gpu/chipset inside the laptop? Did you remove any connection while cleaning up? How exactly did you clean up the intakes/outtakes? With air duster or something else?



Also, can you give model number of laptop