Question pc suddenly wont show screen when having 2 or more rams

williere033

Prominent
Aug 28, 2020
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i have a problem where yesterday my pc is working fine used it all day. but today when i turned it on it started beeping 5 times and not showing display then after a while the fan will go full speed. tried reseating and cleaning the ram but its still the same. also tried putting rams on 1 and 3 slow and 2 and 4 slot but still no success. but when i tried putting only 1 ram on slot 1 the pc will turn on normally. what can be the problem here? should i try reseating cpu or is there a problem with the motherboard or cpu? the pc is fairly old which is hp elitedest i7-4th gen. also my rams are all the same brand and model which is adata.
 

geofelt

Titan
Ram rarely fails, but that may be the case here.
Download and
Run memtest86 or memtest86+
They boot from a usb stick and do not use windows.
You can download them here:
If you can run a full pass with NO errors, your ram should be ok.

Start by testing each stick individually in a slot that will run.
If a stick shows ANY error, it is defective, and you will need a replacement kit.
Test one stick in the second slot that used to run ok.
If that fails, your slot may be defective.

One common cause of defective slots is a bent pin in the motherboard socket.
But, I strongly advise you not to remove the processor to check.
It is very easy to damage a pin when placing the cpu.
Since you used to run ok, that is not likely the issue.


Quality ram will have a lifetime warranty, but it will not be worth the hassle.
Are both sticks a part of the same single ram kit?
If not, that can be a problem.
Ram is sold in kits for a reason.
A motherboard must manage all the ram using the same specs of voltage, cas and speed.
The internal workings are designed for the capacity of the kit.
Ram from the same vendor and part number can be made up of differing manufacturing components over time.
Some motherboards, can be very sensitive to this.
This is more difficult when more sticks are involved.
Ram must be matched for proper operation.
 

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