my notebook's ram is about 1.5 giggs but why is it still lagging??

Answer 1

Next time mention the operating system (XP or Vista); the computer make and model and the CPU type and speed.


Speed up computer:

1) Disable programs that can be disabled to improve computer performance using msconfig.
First: Uninstall any programs listed in "step 1"
http://www.techsupportforum.com/security-center/hijackthis-log-help/15968-updated-important-read-before-posting-log.html

Install MSconfig Update for Windows XP (KB906569)
http://www.microsoft.com/downloads/details.aspx?FamilyID=9689F6E9-ADED-44B8-BBBB-BEAE1B4A4BC9&displaylang=en

Run PCPitstop "full tests" and "running programs" in the results it will designate programs that can be disabled to improve computer performance. Run MSconfig and uncheck any program "that can be disabled to improve computer performance"
http://www.pcpitstop.com/

How to use MSCONFIG
http://www.netsquirrel.com/msconfig/

Using MSCONFIG to reduce background programs at startup
http://alri.org/step2/usingmsconfig.htm

TASK LIST PROGRAMS A-Z
http://www.answersthatwork.com/Tasklist_pages/tasklist.htm
http://www.castlecops.com/StartupList.html
http://www.pcreview.co.uk/startup/

2) Eliminate malware on your computer
------------------------------...
Update your antivirus and run a full scan

If you do not have virus protection install:
AVG Antivirus 7.5 Free Edition
http://free.grisoft.com/freeweb.php/doc/avg-anti-virus-free/lng/us/tpl/v5
http://www.download.com/AVG-Anti-Virus-Free-Edition/3000-2239_4-10669237.html?tag=lst-0-1
or
Free antivirus - avast! 4 Home Edition
http://www.avast.com/eng/avast_4_home.html
or
AOL Active Virus Shield
http://www.activevirusshield.com/antivirus/freeav/index.adp
------------------------------...
Install Windows Defender (full time spyware protection)
Perform a full scan.
http://www.microsoft.com/athome/security/spyware/software/default.mspx
------------------------------...
Install the following five programs and run weekly or at least monthly. You need all five. They are not a substitute for full time spyware and virus protection.

Ad-Aware SE Personal (update + full scan)
http://www.lavasoftusa.com/products/ad-aware_se_personal.php

Spybot Search & Destroy (update + immunize + scan)
Do not enable Tea Timer and SDHelper
After installation: update + scan + immunize
http://www.safer-networking.org/en/mirrors/index.html

SpywareBlaster: Update then open and click “enable all protection”.
http://www.javacoolsoftware.com/spywareblaster.html

SUPERAntiSpyware free version: (update + scan)
http://www.superantispyware.com/

CCleaner: Do not install toolbar option
Removes tracking cookies, unneeded files, history
In options.
Set to run when computer starts.
Place cookies you want to keep in save list
http://www.ccleaner.com/
------------------------------...
Additional run this time and as needed.

Microsoft OneCare Live, run “full service scan”
Updates windows, virus and spyware scan, disk cleanup, disk fragmentation (if needed), backs up registry and then cleans registry, and checks for open firewall ports
http://onecare.live.com/site/en-us/default.htm

Malicious Software Removal Tool (run “full scan”)
http://www.microsoft.com/security/malwareremove/default.mspx
-----------------------------
Online Free Scanners:
Run Trend Micro, Kaspersky, and Panda Scan now.
Run a different one each month.

Trend Micro: HouseCall Free Scan (removes what it finds)
http://housecall.trendmicro.com/
BitDefender Online Scanner
http://www.bitdefender.com/scan8/ie.html
Kaspersky Labs Online Scanner
http://www.kaspersky.com/virusscanner
McAfee
http://us.mcafee.com/root/mfs/default.asp?affid=294
Panda ActiveScan Free Online Scanner
http://www.pandasoftware.com/products/activescan?
Symantic Online Scanner
http://security.symantec.com/sscv6/ssc_eula.asp?langid=ie&venid=sym&plfid=23&pkj=ALUFRHYTINMHDKDCWLL&vc_scanstate=2
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3) Run "check disk" check both options and restart.
Run Disk Cleanup then Disk Defragment.
4 Ways to Speed Up Your Computer's Performance
http://www.microsoft.com/atwork/getstarted/speed.mspx

4) Update your drivers

5) Reduce resources needed for protection:
Replace Norton with NOD32, AVG, Avast, etc.
Use the Windows Firewall (very light on resources)

6) Add more ram

7) Faster video card

8) Faster Internet service

9) Faster computer / processor

10) Format drive and reinstall everything

Answer 2

There could be several reasons, More often then not it is caused by Spyware, Trojan's Viruses, Or using and having several operations open and using them all at one time. Especially using Ram Intensive Programs loke Graphics and Video.
Don

Answer 3

Simple!!! Run a virus scan, remove all the ad-ware/spyware, remove all unwanted programs, remove all unwanted programs which loads on startup, disable some animation effects on windows, remove the background image on your desktop, run a defrag, delete all unwanted/temp files. Guaranteed you will have a good speed improvement!

Answer 4

Is your hdd loaded with plenty of stuffs?