Vista problem hiya i got qompaq presario sr2019uk few days ago i instol vista ultimate and compiuter starting froze so i bay more ram memory 512mb size the compiuter at the moment got 1536mb ram memory but stil stoping vorking so i was confused and trying reninstal bac windows xp but compiuter on dos meniu didnt give me to do this then i instol back vista and stil got this problem please if you can tel me how i can geting back to xp or where i can get recovery disk for this qompack model thanks for help and sorry for my language becose english is not first mylanguage thanks

Memory Upgrade Specs for HewlettPackard Compaq Presario SR1215CL Computer. The HewlettPackard Compaq Presario SR1215CL Computer takes the PC3200 DDR SDRAM 184-pin DIMM Memory Type, and comes installed with 512MB (Removable) of Memory. You can upgrade your HewlettPackard Compaq Presario SR1215CL Computer to up to a maximum memory capacity of 2 GB Memory, the system has 2 Sockets to install Memory, already with 512MB (Removable) standard Memory installed. For best Compaq Presario SR1215CL Computer performance use the maximum amount of allowed Memory per slot for your Computer.

If you're not sure if a module is right for your system, use the Crucial Memory Advisor tool for a list of guaranteed compatible modules. first you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system you should always ask for a guarantee on the compatibility before making any purchase and try to buy for working pairs if possible http://www.memorystock.com/memory/HewlettPackardCompaqPresarioSR1215CL.html

This is an older model computer, and therefore it can't utilize the large amount of RAM that more current models can.

The Presario 6025EA has two DIMM slots and comes with 256MB of RAM installed. The maximum amount of RAM that can be installed is 1GB. To upgrade to this, you will need two 512MB DDR-266 (PC2100) RAM modules.

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Cant find your motherboard on the support page, is the memory your trying to install the same speed?

Windows Vista recommended system requirementsWindows Vista Home Basic

• 1 GHz 32-bit (x86) or 64-bit (x64) processor
  
• 512 MB of system memory
  
• 20 GB hard drive with at least 15 GB of available space
  

Home Premium / Business / Ultimate

• 1 GHz 32-bit (x86) or 64-bit (x64) processor
  
• 1 GB of system memory
  
• 40 GB hard drive with at least 15 GB of available space
  

Source: http://www.microsoft.com/windows/windows-vista/get/system-requirements.aspx

The minimum recommended ram for Vista is 1 GB, generally accepted practical minimum is 2 GB. A 1 GB system will be kinda laggy. Maximum RAM for 32 bit Vista is 4 GB.

Vista Home Premium is roughly equivalent to Windows XP Media Center Edition (Has Media Center, cann't be put on a DOMAIN type network)

Vista Business is roughly equivalent to Windows XP Professional (Can Join a Domain, Doesn't have Media Center)

Vista Ultimate has all available freatures of Vista, you can do any windows function with Ultimate

you will have to wait till service pack 2 for Vista comes out. The SP2 for Vista fixes the memory leak problem

The default installation was 512 MB, max is 2 GB (2 - 1 GB RAM Modules

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00838803&lc=en&cc=us&lang=en&dlc=en&product=3328522

You can buy an upgrade here:

http://www.crucial.com/store/listparts.aspx?model=Presario%20SR5020AN

need at least 2 gig of ram and 160 gig hard drive to run vista

with 512MB it is not enough space for Vista to run with... i strongly advice you to use vista only if u have a RAM of 1GB and above....

i my sys the RAM memory usage always stays around 740MB... i'm using vista only....

How do you mean nothing is showing up?
The fact you can get into BIOS usually means that something is right.

This board can go upto 2GB RAM

look at the kingston configurator page for info and compare it against the memory you bought (exact part numbers are a must). With Windows VIsta Ultimate you should be using 1gb Sticks not 512.