Question about HP z552 (PS503AA) PC Desktop

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Upgrading RAM on HP digital entertainment center

I bought a RAM upgrade for my HP z552, but I can't get the case open! Any advice would be much appreciated!

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Most likely, there are some screws on the back of the case. Unscrew them, and pull the casing towards you (when the front is facing away from you).

Posted on Jul 20, 2009

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My compaq dx2450 wont register ram and its only about 8 months old i bought direct from hp but they wont help i really need to upgrade my ram


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How do you open a compaq presario sr1630nx computer to install memory upgrades


Viewing the back of your computer, you will see a large thumb screw, on the right side of the computer case.

It's to the right of that round ventilation opening. (Round shape with multiple holes in it)
Unscrew the thumb screw to the Left, to loosen it.

The side panel that the thumb screw is in, pulls back towards the rear of the computer.
If you look, there is a place to put your fingers at the end of the side panel.
(Raised 'Hump' in the sheet metal of the panel)

Hold the top of the computer case with one hand, pull the side panel back with the other hand.

NOTE*
The computer MUST be unplugged from power before proceeding!

Not only is there a possible issue for Your safety, but also the computer's!
You will fry out the Ram Memory stick/s if you remove, or install with the computer plugged into power.

Also,......there is an Anti-Static issue that needs to be addressed, BEFORE you reach inside your computer

Your body carries Static electricity.
Static will fry out the hardware components inside a computer.
(In a Flash!)

Work on a table. Computer unplugged from power, computer case open. TOUCH the metal frame of the computer case BEFORE you reach inside.

TOUCH the metal frame Before, you take those ram sticks out of their protective antistatic bags.

Should you get up for any reason, walk away, then return, Touch the metal frame again.

Refrain from touching the gold plated contact pins, on the bottom of the ram stick.
You can handle the ram stick anywhere, but on those contact pins.
The ram stick is coated with a see-through plastic.
The contact pins are not.

Should you need advice on how to remove, and install ram memory, please state so in a comment. (Top right of page)

This is HP Support, and the download page for the -
Upgrading and Servicing Guide, for the Compaq Presario SR1630NX,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&lang=en&product=1122478&

On this page scroll down to - Upgrading and Servicing Guide.
Left-click right on the name.
This is a PDF file download. Give it a few seconds.
After you see the first page, you will note there is a download progress bar.
Let the file download all the way Before looking through it.

Should you wish to save this file to your computer, please come back, and state so in a comment.

The Upgrading and Servicing Guide has illustrations, and instructions for;
1) Opening the computer case. (Side panel)
2) Removing the Front Panel
3) Locating hardware components inside the computer
4) Removing and Adding a Drive. (Harddrive and Optical Drive)
5) Adding Memory
And a host of other information you may find useful.

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I just upgraded from 2 mps up too 8, and I bought more memory from HP, will this speed up my pc?


Depending on what is the choke point on your performance, the answer is most likely, yes it will be faster.
If you were being limited by your Internet connection, then the 2 to 8 upgrade will help.
If you had minimal RAM in the system, then upgrading there will help.
If you have a low end video card, that my be a limiting factor, same with a slower processor (Celeron Vs Pentium 4 for example)
Other limiting factors can be the amount of hard drive free space and HDD speed and virtual memory settings & performance settings of the operating system

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Im sure you mean 1GB of ram.

Upgrading ram is possibly the easiest upgrade to a pc.Firstly shut down the computer and remove the wall plug.

Remove the casing
Make sure you touch something metal away from the case before entering the chassis of the computer... anti static wristbands are good.

As soon as you open the case you will see the dimm slots where the ram goes.

You will find two plastic clips on each ram module, just pull these back to release the ram and insert the new ram.You may need to push firmly down to lock them in.The clips will auto lock.

Just be careful not to push to hard as to damage the mainboard.

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The speed of your computer is determined by the memory capacity, the hdd storage capacity (that means that if the hard drive is full of data your computer becomes low - not about the size of your hard drive) and your processor speed.

In your case I recommend:

1) A good cleaning,
2) Be sure that your computer is not virus or spyware infected
3) Get rid of those programs that you are not using.
4) Disable the programs that are running on the background

Sure after that your computer will become faster.
Your memory capacity is good enough to your normal duties (above described)

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