mgyung :
I would expect that you'd have something like a 300~350 watt PSU based on the limited description of your computer.
If you need more description...errr....
http://www.acer.com.sg/acer/product.do?link=oln85e.redirect&changedAlts=&kcond48e.c2att101=-1&CRC=2759084358#wrAjaxHistory=0
Then click on Acer M7720 --> Under Aspire Gaming
Same computer as that but i added more Ram, so mine is 8 gb ram and have 750 gb space.
Configurations :
Genuine Windows Vista® Home Premium , 64-Bit, Intel Core i7-920 processor (2.66GHz, 8MB Cache, 4.8GT/s), 8GB DDR III Ram, 750GB S-ATA HDD, DVD SuperMulti Double-Layer Drive with Labelflash technology, Nvidia GeForce GT130 Graphics Card (1.5GB Dedicated RAM), Wireless 802.11b/g/Draft-N LAN, Wireless Keyboard and Mouse, With 23" LCD Monitor.
Technical Specifications :
Operating System Genuine Windows Vista® Home Premium
Processor Intel® Core™ i7 processor with Intel® X58 chipset chipset
System Memory Supports DDRIII 1333 up to a maximum of 12GB (three-channel support on six DIMMs)
Graphics PCI Express 16x Graphics expansion slot offering a choice of approved ATI or nVidia graphic cards.
Audio High Definition (7.1) Optimized Dolby® Home Theater® audio enhancement, featuring Dolby® Digital, Dolby® Pro Logic® II, Dolby® Headphone, Dolby® Virtual Speaker, and Dolby® Digital Live technologies
I/O Interface Media Control Interface for full media playback function
Multi-in-1 memory card reader for Sony® Memory Stick, Memory Stick PROTM, CompactFlashTM Type I, CompactFlashTM Type II, SmartMedia (SM), Secure Digital (SD), MultiMediaCard (MMC) and xD Card. (plus 2 x USB port in front)
Audio connections: Six audio jacks 7.1 channel support (rear), Lin Out - MIC In (front)
10/100/1000 Network Connection
2 USB 2.0 ports in front and 6 USB 2.0 ports in back
PS2/USB Keyboard port, PS2/USB Optical/Ball Mouse port.
1 Firewire IEEE 1394 port
Hard Drives Up to 2 internal ATA hard disks of 1TB each
Up to 2 front access ATA hard disks of 1TB each
Optical Devices SuperMulti DVD RW with Labelflash™ technology
Expansion Slots 1 x 4XPCI, 1 x 1X PCIE, 2 x 16X PCIE
Housing Dimension 180(W) x 441.5(D) x 367(H)
Software Microsoft® Office Trial 2007 (60D), Microsoft® Works 8.5, Adobe® Reader® 7.0, McAfee Internet Security Suite 2008 (60-day trial), Acer Arcade Live, Acer Empowering Technology, eSobi™, Acer Gamezone, NTI Media Maker
EMI / Safety CE, FCC, BSMI, CCC, ETL, Nemko
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I can't open my computer. Even though its mine...
I don't know how to do that. My father bought it for me....
Any other way?
I am afraid i will spoil it if i open it.
Thanks.