I never had this problem on the windows 7 beta, or vista. It only happens after at least 20-25 minutes of it being on. It is a dell inspiron 1525. I'm running 7 home premium 32 bit.
OS Name Microsoft Windows 7 Home Premium
Version 6.1.7600 Build 7600
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name INSPIRON1525
System Manufacturer Dell Inc.
System Model Inspiron 1525
System Type X86-based PC
Processor Intel(R) Core(TM)2 Duo CPU T5750 @ 2.00GHz, 2000 Mhz, 2 Core(s), 2 Logical Processor(s)
BIOS Version/Date Dell Inc. A16, 10/16/2008
SMBIOS Version 2.4
Installed Physical Memory (RAM) 3.00 GB
Total Physical Memory 2.99 GB
Available Physical Memory 1.68 GB
Total Virtual Memory 5.98 GB
Available Virtual Memory 4.03 GB