The computer died and will not turn on — where to dig?

Died computer. When you start something is switched on, pictures not, then he is disabled and re-enabled... And so on indefinitely. Prompt where to dig? Nothing beeps, just the fan rustles

UPD: start!
October 8th 19 at 03:18
3 answers
October 8th 19 at 03:20
Solution
Try to start from a dust to clean. Then BIOS reset (there is a jumper on the motherboard, or the battery to get it). The speaker not beeping? If it beeps — to signal can I see the code of the fault. Well, then see if there are any traces of "fires".
A miracle but it helped. Stuck/wedged the battery, blowed, kicked tion and stirred contacts — and miraculously it worked. Thank you my good man - samantha.Mraz commented on October 8th 19 at 03:23
Sometimes it just "sticks". For example a well-known disease postoppkrav period: the employee returns to the computer, which was a month without a case and discovers a "black screen". It helps to simply "distortion" of RAM. - chase_Grimes commented on October 8th 19 at 03:26
Don't forget the eraser to clean the contacts - Caroline12 commented on October 8th 19 at 03:29
As it happens after the holidays, I have 2 months there was a comp at the Lodge, at minus 2, I brought him into the room vtyknuli transactions and rushed, although there is a lot of dust. The question of how such a thing could occur from idle? Oxidize the contacts can not, no capacitive currents to meet also cannot, it's like "tales of a sysadmin", I'm sorry too... - reuben_Pacocha commented on October 8th 19 at 03:32
Nevertheless, you've just become a member of the "sysadmin stories", I'm sorry too... - chase_Grimes commented on October 8th 19 at 03:35
October 8th 19 at 03:22
still as a variant to disconnect everything from the mother(hard drive, any expansion cards, to "play" with memory) to run. If start, to connect disconnected one by one and test to run.
October 8th 19 at 03:24
If you do not start the fans, or the PSU or motherboard, and probably the first.

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