Hi papori and Welcome to Windows Seven Forums. May I just suggest that you go to Control Panel, click on Keyboard and check drivers and try the troubleshoot option first. It may work. Good Luck.
My Computer
Computer Manufacturer/Model Number
Acer Aspire 5532
OS
Windows 7 Home Premium 64 bit SP1
CPU
AMD Athlon 64 processor TF-20 1.6 GHz. 1 Core
Motherboard
MB.PGY02.001/MBPGY02001
Memory
3 GB (2.75 available)
Graphics Card(s)
ATI Radion HD 3200
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
Generic PnP 15.6"
Screen Resolution
1366 x 768
Hard Drives
250 GB HDD (220 available)
PSU
?
Case
?
Cooling
Single cycling fan, on cooling stand
Keyboard
PNP Device ID ACPI\PNP0303\4&12734F14&0
Mouse
Microsoft Laser 7000
Internet Speed
Ultra high speed download 2500 kb/s upload 720 kb/s
Other Info
Norton Internet Security 2011
Sorry but this is the best I could do.
I used the tutorial for finding the missing info but still could not find it. Special Thanks to PooMan UK and DocBrown for their help in filling out these specs.