Where to dig if the computer does not turn on with the new ddr3?

Question

Computers

There is a motherboard Msi Ms-7592 Ver 5.2. On it was ddr3 1gb 1333. The manual says that the mother pulls up to 8 gigs. We bought ddr3 4gb 1333, and the system unit does not work. Bios gives out 3 long ones, the monitor does not wake up. They tried to turn it on without the old one, they stuck the new memory into different slots.
What have already been done:
1. checked the RAM on another computer - everything works.
2. because on another computer, there was also ddr3 4gb 1333 memory, we tried to insert it into ours - the result is the same, 3 long ones.
3. judging by the wiki, only award and ibm bioses have 3 long ones.
- award - keyboard controller error
- ibm - either the keyboard controller or poor contact with the RAM
I dismissed the problem with the keyboard controller, because. with the old 1gb memory, it quietly turns on without Claudia. Bad contact? Well, xs, I already blew the slots, I repeatedly re-plugged the memory, and I repeat, everything works with the old one.
What kind of jungle to climb to do everything?

Answer 1

Insert until the end ... Until it clicks ... And it will work :) From experience - this is in 99% of cases.

Answer 2

Reset bios settings to default.