Oh Thanks a lot Dude,
About This Mac Now Working good

but this could be error in System Profiler:-
===========================
Hardware Overview:

Model Name: Mac
Model Identifier: 1.0
Processor Name: Intel Core 2 Duo
Processor Speed: 1.81 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 2 MB
Memory: 3 GB
Bus Speed: 100 MHz
SMC Version (system): 1.30f3
Hardware UUID: 00000000-0000-1000-8000-0016174EE065

------------------------------------------------------

Memory:

No information found.
==========================================

And Before About This Mac Fix it was Bus 800, and in Memory tab there is was my 3 Rams with it's status.
how to fix this plz ?

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HP TX2000
Microprocessor: AMD Turion 64 X2 Mobile Technology TL-60
Memory: 2048 MB
Video Graphics: NVIDIA GeForce Go 6150
Network Card: Ethernet 10/100BT integrated network interfaceWireless
Connectivity: 802.11b/g WLAN - Bluetooth
Sound: Altec Lansing speakers - 3D Sound Blaster Pro
Pointing Device: Touch Pad with On/Off button and dedicated vertical Scroll Up/Down pad, volume control, mute buttons, 2 Quick Launch Button