Does not power up

ok we got a model
HP EliteDesk 800 G1 SFF rebuilt
generation 1, 2013.

hi Tracie,
is the set making a clicking noise?
is the power light flashing on the front?
or no power light at all just dead?
if the set is just dead, just put your ear to the back vents can you hear like a very faint screaming noise and can you smell and burning in the vent?
if so it just could be capacitors on the power board.
if its clicking the that will need a service kit on the power supply board.
if the power led is flashing then you will need to count how many flashers from start to finish when you first turn set on.
hope this helps.
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Sounds like wheel bearings. There just isn't a lot on that bike that increases with speed, it's either wheels or engine. If it's engine- it will make noise in neutral. If it's wheels, it will only make noise while actually moving.

No.The tv have a colors wheel is dead.The colors wheel make loud motor noises,squiling noises and flashes picture with black&white.The colors wheel is dying and spinning off of it motor axis.Hire a Tv Tech. to change the colors wheel.Because is require take out alots machanical parts,before u can even come to the colors wheel itself to replced.

Did you check your fluid level? Sometimes when the fluid level is low it will make that screaming noise.

Have you checked the user manual? http://powerquality.eaton.com/Products-services/Backup-Power-UPS/5125.aspx?cx=3 Could be an alarm letting you know that the battery is dead.

Hold The Off Button for 20 sec should make clicking noise switch off at power and on again should be working

tv wont turn on when i hit power it makes the clicking noise like it is going to turn on, but never does and the red timer light next to the power button just flashes.
help!
trinitron kv29f1u
only clicks and blinks

unplug all cables from the back of the XBOX and then plug them back on (making sure that they are connected) and then power up the 360.

from past experiences, I've only seen the 4 flashing red lights if the AV connection is not secure.

Good luck

According to the E44W48LCD service manual, the temperature indicator red light states the projection TV shut down due to overheating. Red (flashing) states the projection TV shut down, check the cooling fan.