Hp pavilion g4 have 8gb memory but shows 2.45 gb usable in windows 7 33 bits Tags: Windows 7 HP Pavilion Memory Laptops Last response: September 17, 2012 7:28 PM in Laptops & Notebooks Share sabinkafle September 17, 2012 6:32:34 AM what to do More about : pavilion 8gb memory shows usable windows bits scottiemedic a b $ Windows 7 a b } Memory a b D Laptop September 17, 2012 7:17:22 PM 32 bit OS's only used 3gigs (+/-). To take advantage of all 8 gigs, you need to switch to 64bit (x64) Windows 7 (a complete reinstall will be needed, make sure to backup). COLGeek a c 230 $ Windows 7 a b } Memory a b D Laptop September 17, 2012 7:28:30 PM scottiemedic said:32 bit OS's only used 3gigs (+/-). To take advantage of all 8 gigs, you need to switch to 64bit (x64) Windows 7 (a complete reinstall will be needed, make sure to backup). +1. This is the answer to your question and the solution as well. Can't find your answer ? Ask ! Publish Related resources Hp pavilion dm1 have 8gb memory but shows 3.4 gb usable in windows 7 3 Forum Windows 7 64 bit shows 3.73 GB usable memory with 8GB installed Forum Only 4 gb Usable out of 8gb Memory in Windows 7 Forum [ Memory ]Win 7 64 8GB RAM installed 4 usable Forum 8Gb Memory DDR3, recognized 6 Gb usable 4 Gb Forum 3.24 Gb usable out of 8Gb Win 7 Pro 64 bit Forum Only 3 gb Usable out of 4 gb Memory in Windows 7 Forum 8GB RAM(3.17 gb usable ) Windows 7 Ultimate 32 bit ... HELP Forum 64- Bit Windows 7 Shows 2.75 GB Usable Ram out of 4 GB Forum 16 GB Ram and only 8GB usable Forum Windows 7 64 Bit Only 4 GB Useable Forum Installed memory 8gb 3 gb usable Forum 3.95 RAM usable of the 8GB Forum Back light or Inverter? Forum Motherboard zapped, is hard drive still usable? Forum Why is an acer aspire 5734z hd but doesnt have hdmi Forum Memory problem Forum Memory problem Forum HP Pavilion DV5006 - Unsolved Keyboard Malfunction... Forum Acer aspire 4520 windows restart when shutdown Forum More resources Read discussions in other Laptops & Notebooks categories Battery Acer Asus Dell Hewlett Packard iPad Toshiba Vaio !