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Laptop doesn't boot after upgrading RAM

Hi.

I tried to install 8GB RAM instead of 4GB. When I finished the replacement, I turned on my laptop, but the screen stayed black, no Dell logo or anything, no signs of booting at all (all the indicators were off). After 10-15 seconds it turned off by itself. After that the HDD indicator started blinking, and the other two indicators turned on.

Then I removed the new RAM and installed back the old modules. But I got the same problem - the laptop doesn't boot, there is no Dell logo. I tested both sets of RAM modules on my other laptop and they work.

How do I fix this?

P.S. I followed general recommendations and removed the battery before each procedure.

Contestado! Ver respuesta Yo también tengo este problema

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i know this is an old question and maybe for future users, they could get some use of this. im not exactly sure what the remedy is to this persons problem. i do know that i own a e6430 and after using it for over a year i dropped it so i went with the e6400 great laptop also. i do know for a fact that the 430 is capable of 8 gb of ram but not true with the 400 it is only able to take maximum 4 gb not sure if somehow thats related to your screen bios problem

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Turned out I was supposed to remove the CMOS battery (and press the power button for a 10 second) after upgrading the memory. It's described on the Dell website http://www.dell.com/support/article/us/e...

It works now!

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I have the same problem when I tried to upgrade the RAM. Could you help me with instructions to remove the cmos battery on Dell latitude 6430u?

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This option of removing cmos battery had ruined my system

Not helpful

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omg thank you very helpful god bless

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It's still failing to work, my screen still black. Even after removing CMOS battery....

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Hi @albertchisu ,

Here’s a link to the service manual for your laptop.

Scroll to p.27 to view the necessary pre-requisite steps and then the procedure to remove/replace the coin cell battery. (This is the CMOS or RTC battery)

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Can you connect an external monitor? This checks to see if you just knocked the video cable loose.

Do you hear any beeping? If there isn't any, its likely not the RAM.

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I was very careful and didn't touch anything beyond the memory modules. It's not my first time, so I'm pretty sure I didn't cause any physical damage.

When I press the power button, it beeps, the DVD drive turns on, but that's it.

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Just a single beep or a pattern of beeping?

I know this laptop well. The RAM slots are very close to the CPU. I would also suggest checking if that was knocked loose. I know you said you are very careful, but stuff happens.

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I got my hands on a few of these . It looked likenthey belonged to a company and were wiped. No hdd. No ram. I bought rams and hard drive . Tried everything on these post and the laptops wont boot up. They turn on the fan comes on but the laptop shuts right off. No beeping nothing. When the fan goes off the HDD nd wifi light stay on(solid) and the battery light blinks…..someone pls help

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Have you tried the steps above with the CMOS batery, etc.?

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yes i tried and nothing

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Could be why the company disposed of them.

Just a guess, RAM compatiblity?

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I had the same problem.

And i put the old ram correctly in the second place . And press the shout down press for 10 s . And wait for 2 m with out battery. And start

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