Q:
I have a HP DV6626US laptop, running with XP system. Recently I felt that when system was running, it responded very slowly, even happening when starting/shutting down the machine. What should I do to improve the running efficiency?
A:
During the process laptop uses XP system, system running speed would become slower and slower as time passes. As long as you follow the next eight aspects, then system would regain high running speed again:
1. Increase bandwidth speed.
Professional Windows XP preserves 20% bandwidth by default; actually this is useless for our personal users. I’d like to take full advantage of it rather than to leave it unused. Go “Start”—“Run”, and type “gpedit.msc” to open Group Policy Editor. Find “Computer Configuration—Administrative template—Network—QoS data package scheduler”, and choose the right side option “Limit preservable bandwidth”, choose “Properties” and open the limit preservable bandwidth property dialog, choose “Enable”, and set original “20” to “0“. By doing this, the preserved bandwidth could be released.
2. Accelerate boot speed
To accelerate Windows XP boot speed, we can modify registry. First of all, find the branch HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Session Manager Memory Management/PrefetchParameters, and on the right pane, find the key EnablePrefetcher, change the default val