ubuntu904延迟厉害

[n3tl04d]

我在我的HP1280 US上安装904，但是鼠标延迟比较严重，感觉到是明显的不流畅？到底是什么回事？安装在台式机的的虚拟机中流畅多了。
都准备删除UBUNTU了

笔记本参数：
Key Features & Benefits:
# BrightView 14.1" LCD screen (measured diagonally)
Presents high-definition 1280 x 800 resolution for crisp graphics and text
# 2 GHz Intel Core 2 Duo Processor T6400
Furnishe s 64-bit operation for fast multimedia and multitasking
# 4 GB of DDR2 system memory
Offers excellent performance with today's demanding applications and can be expanded to 8 GB (both memory slots occupied)
# 320 GB hard drive, 5400 rpm
# Microsoft Windows Vista Home Premium 64-bit edition with Service Pack 1
Makes your computing experience more productive and more secure while taking full advantage of Intel 64-bit processor technology

[cnkilior]

大概有什么东西在后台况运行。吃掉了CPU

[tenzu]

what about the type and the driver for graphic card?