Here are excellent instructions for upgrading memory on HP Pavilion zv5000 series laptops in seven relatively easy steps. I found links to the disassembly pictures while reading comments on Ask Laptop Freak site and decided to compile them into a guide. Upgrading memory on this laptop could be tricky because one of the memory expansion slots is located under the keyboard. According to HP specifications for zv5000 you can install 2 memory modules up to 1GB each. You should use PC2700 333MHz memory modules.
STEP 1.
First of all, you can add one memory module into the expansion slot on the bottom of the laptop.
STEP 2.
Remove seven screws pointed with red arrows.
STEP 3.
Carefully lift up the keyboard cover. You’ll have play with the cover in order to release plastic latches.

Enlarge image 3.
STEP 4.
Remove four screws securing the keyboard.
STEP 5.
Carefully lift up the keyboard. You don’t have to disconnect the keyboard from the motherboard in order to access the memory expansion slot. Just turn the keyboard over and place it upside down on the palm rest.

Enlarge image 5.
STEP 6.
Here’s the memory slot you are looking for.

Enlarge image 6.
STEP 7.
Spread latches on both sides of the memory module and remove the old 256MB module and install a new one.
HP Pavilion zv5000 laptops will not take more then 2GB (1GB module in each slot).

Enlarge image 7.
UPDATE: HP Pavilion zv5000 LCD removal and backlight replacement instructions
Static electricity can kill your laptop. I recommend wearing an anti-static wrist strap while working with internal parts of your laptop.
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October 28th, 2009 at 5:17 pm
Bought two 1GB modules from Newegg. Followed these directions and worked great the first time. For my wife’s zv5000. Thanks.
October 13th, 2009 at 4:20 pm
when i installed my corsair 1GB on my zv5000 i got blue screen and at bios show me teh max of memory i have and its 512mb and i have 1gb+256mb installed, can someone help me pl0x ?
October 12th, 2009 at 9:29 am
HELP! I have a zv5410 (which worked fine, just a little slow) and I tried upgrading to a 1GB module. I tried it in both slots, with and without one of the OEM 256MB’s in the other slot and it will not completely boot up. After one of the first attempts, I put both original 256’s back in and it worked just as before. But now, after trying the GB module again, the system only comes on with a black screen with various “safe mode” options. Nothing I do will get it past that screen. Has anybody seen this and/or no how to fix it?
October 10th, 2009 at 10:25 am
The instructions worked fine but unfortunately my laptop won’t take the 1GB stick of ram if placed under the keyboard. If placed there the screen stays black when the computer is turned on. It works when placed in the “upgrade slot” under the computer but the computer doess seem to get somewhat unstable (blue screens). Not entirely suitable for upgrades I’m afraid.
September 19th, 2009 at 4:12 pm
neil,
Could be memory related problem. Do you have two memory modules installed in your laptop?
Try removing memory modules one at a time. Test the laptop with each memory module separately. If one of the modules is bad, the laptop should work fine with another module.
If you have only one memory module installed, try replacing it with a known good module.
September 19th, 2009 at 3:49 pm
I am having some problems with my zv5000 first everytime i load something to it , it will jus crash, i now change the hard drive the Operating system load alright but now it is unable to boot i am getting black screen. What do i do? neil
September 10th, 2009 at 9:55 pm
Ken,
Did you replace memory in the internal slot? Most likely you accidentally pulled the keyboard cable from the connector. Try reconnecting the cable.
September 10th, 2009 at 11:15 am
Ben,
Not sure what your question is. Are you asking for help with replacing the inverter board? In one of the previous posts I published a guide for HP Pavilion dv2000 notebook. It has step-by-step inverter removal instructions. Does it help?