Noise like jet engine when boot up PC

[groupie]

Hi,
My Dell desktop's a dual-P4 3.4GHz. Occasionally when booting-up, a
noise - which I think comes from the fan but also could sound like the
HDD spinning faster and faster - is emitted. It keeps on getting
louder and lounder each second (like a jet engine) and I always switch
it off asap. If I do that a couple of times, it usually boots-up with
the normal noise.

Any ideas? Thanks.

 

[RIAA]

Hi,
My Dell desktop's a dual-P4 3.4GHz. Occasionally when booting-up, a
noise - which I think comes from the fan but also could sound like the
HDD spinning faster and faster - is emitted. It keeps on getting
louder and lounder each second (like a jet engine) and I always switch
it off asap. If I do that a couple of times, it usually boots-up with
the normal noise.

Any ideas? Thanks.

Open the case and listen to where the noise is coming from. Start with the
fans.

 

[GT]

Hi,
My Dell desktop's a dual-P4 3.4GHz. Occasionally when booting-up, a
noise - which I think comes from the fan but also could sound like the
HDD spinning faster and faster - is emitted. It keeps on getting
louder and lounder each second (like a jet engine) and I always switch
it off asap. If I do that a couple of times, it usually boots-up with
the normal noise.

Any ideas? Thanks.

You probably have a failing fan. Identify and replace it soon as heat in
that PC will be a problem. Dells are carefully designed with a lot of
thought given to airflow and the P4 3.4GHz is a hot processor. You can
probably replace the fan for a few pounds.

 

[Brian Cryer]

Hi,
My Dell desktop's a dual-P4 3.4GHz. Occasionally when booting-up, a
noise - which I think comes from the fan but also could sound like the
HDD spinning faster and faster - is emitted. It keeps on getting
louder and lounder each second (like a jet engine) and I always switch
it off asap. If I do that a couple of times, it usually boots-up with
the normal noise.

Any ideas? Thanks.

If you take the case off (and perhaps leave it off) can you identify where
the noise comes from when it next happens?

I suspect a bearing might be on the way out. If you can identify the
component which is making the noise then I suggest you replace it.

 

[Lord Turkey Cough]

Hi,
My Dell desktop's a dual-P4 3.4GHz. Occasionally when booting-up, a
noise - which I think comes from the fan but also could sound like the
HDD spinning faster and faster - is emitted. It keeps on getting
louder and lounder each second (like a jet engine) and I always switch
it off asap. If I do that a couple of times, it usually boots-up with
the normal noise.

Any ideas? Thanks.

Sounds like you have been mis-sold a product, did you buy it on Ebay?

Apparently a lot of Rolls Royce Trent 556/560 engines have been mis-sold as
Dell dual-P4 3.4GHz PC's.

If the front fan is more than a metre in diametre it is likely you're 'PC'
is a jet engine.

The good news is it is probably worth more.

 

[kony]

Hi,
My Dell desktop's a dual-P4 3.4GHz. Occasionally when booting-up, a
noise - which I think comes from the fan but also could sound like the
HDD spinning faster and faster - is emitted. It keeps on getting
louder and lounder each second (like a jet engine) and I always switch
it off asap. If I do that a couple of times, it usually boots-up with
the normal noise.

Any ideas? Thanks.

Sounds like a fan failing, put a drop of heavy oil in the
bearing (behind the sticker) and start looking for a
suitable replacement fan.

Beware that if a fan is failing and you turn off the system
because of noise, having it quiet the next time will
eventually mean it is because the fan has totally seized and
overheating a system like this is bad not only for parts but
for the immediate downtime it will cause you. Better to
lube the fan now to buy some time... properly lubed and
relubed periodically a sleeve bearing fan can continue
running for several years, but due to the typical Dell
design in which the CPU is also cooled by the rear exhaust
fan, the safest bet is to buy a new fan but not another of
the same thing from Dell, since it has already demonstrated
it has a poor lifespan.

 

[GT]

Sounds like you have been mis-sold a product, did you buy it on Ebay?

Apparently a lot of Rolls Royce Trent 556/560 engines have been mis-sold
as Dell dual-P4 3.4GHz PC's.

If the front fan is more than a metre in diametre it is likely you're 'PC'
is a jet engine.

The good news is it is probably worth more.

Lol