Upgrading ram and computer not booting dv7 tx laptop

I have an HP DV7 2018tx laptop running windows 7 64 bit, which supports up to 8gb of ram.
i have updated my bios as per HP websites advice, and still find that when i put the ram in, when i turn on the laptop i just get beeping, and the numlock and capslock lights flash. the ram fits in the slots fine
the ram is 2X AXL technology, 4GB PC2-6400 DDR2 800MHZ 200 pin SODIMM
these should work but are not. please can someone help me

Hello @moonlet,
I am sorry to hear that you are facing the issue with the memory upgrade.
Alright, here is what I would like you to do. Remove any installed memory (original /default) memory. Then add the new memory to the laptop. Keep the other slot empty and see if it boots. If you have a second 4GB module then repeat the same process. Let me know the number of beeps you are hearing. I'm assuming that your laptop works fine with just the old memory, am I correct?
Also, you can confirm if the memory is defective or not using memtest86 (click here). Follow the instructions if you are to experiment with the memory tester.
I am hoping to hearing from you. Good luck. Aloha
Best Regards,
John
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Upgrading ram and computer not booting dv7 tx laptop

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