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Author Topic: how can i check my Laptop RAM using multimeter?  (Read 13120 times)

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Offline Rishles69@Topic starter

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how can i check my Laptop RAM using multimeter?
« on: March 09, 2024, 05:26:06 pm »
I got 2x 2GB DDR3 laptop ram. But, how can i make sure that it works fine? is it possible to check with multimeter?
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Offline wasedadoc

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Re: how can i check my Laptop RAM using multimeter?
« Reply #1 on: March 09, 2024, 05:29:23 pm »
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Offline Rishles69@Topic starter

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Re: how can i check my Laptop RAM using multimeter?
« Reply #2 on: March 09, 2024, 05:31:47 pm »
But the computer i got doesnt turn on. I have seen a pcb with red leds in a green board and it lights up when the ram works fine  ???
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Offline Kim Christensen

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Re: how can i check my Laptop RAM using multimeter?
« Reply #3 on: March 09, 2024, 05:41:38 pm »
Try booting the computer without the RAM installed.
If it still doesn't POST (You see the BIOS settings or text/menu on screen You should hear some beep codes if it POSTs without RAM), then you have other problems and the RAM status is unknown.
If it POST beeps, with the RAM removed, then install one of the sticks and try again. etc...
« Last Edit: March 09, 2024, 08:39:00 pm by Kim Christensen »
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Offline Rishles69@Topic starter

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Re: how can i check my Laptop RAM using multimeter?
« Reply #4 on: March 09, 2024, 05:42:51 pm »
the computer itself is broken
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Offline Rishles69@Topic starter

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Re: how can i check my Laptop RAM using multimeter?
« Reply #5 on: March 09, 2024, 05:43:29 pm »
i have seen this thing https://www.pctestcards.com/product/ but its expensive and its better to buy a new one. but is there any schematics for it?
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Offline AndyBeez

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Re: how can i check my Laptop RAM using multimeter?
« Reply #6 on: March 09, 2024, 06:12:47 pm »
The BIOS might have an option to test memory/ddr before boot - set this to "ON". Be sure to set the memory timing option to "BY SPD
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Offline Haenk

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Re: how can i check my Laptop RAM using multimeter?
« Reply #7 on: March 09, 2024, 06:12:57 pm »
Memtest is good.
However it only works, If the computer is POSTing - yours isn't, so the problems lie deeper.
Try with a single module, try both slots. Maybe only one module is dead, dead sockets happen, too.
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Offline tunk

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Re: how can i check my Laptop RAM using multimeter?
« Reply #8 on: March 09, 2024, 09:39:02 pm »
Are you sure the laptop itself is broken - could the charger/PSU have died?
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Offline Rishles69@Topic starter

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Re: how can i check my Laptop RAM using multimeter?
« Reply #9 on: March 10, 2024, 04:54:27 am »
so you may ask me wether the laptop works?, answer is no, as i connected a 4gb ram from another laptop. but you may ask me, why can't you connect it to that laptop? but the answer is no because that laptop needs atleast 4gb ram to turn on and it has only one slot!
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Offline Circlotron

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Re: how can i check my Laptop RAM using multimeter?
« Reply #10 on: March 10, 2024, 06:11:41 am »
If your laptop doesn't work using the RAM from the other laptop, why do you think there is a problem with the original RAM?
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Offline Haenk

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Re: how can i check my Laptop RAM using multimeter?
« Reply #11 on: March 10, 2024, 11:26:00 am »
Just a sidenote.
We are selling 2GB modules (used) for about 2EUR each. The demand is next to zero. I actually might sell them as scrap. So if you are unsure if they are working, it's not a huge loss to just throw them away.
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Offline hesam.moshiri

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Re: how can i check my Laptop RAM using multimeter?
« Reply #12 on: March 11, 2024, 06:01:47 pm »
Are you sure your laptop is fine?

no practical way using a DMM except if the VCC of the chip is shorted. just buy the second-hand item with at least 24h warranty to test or bring the laptop to the shop and test the RAM
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