amnesia brightmess issue playing game to dark

[gamesfan]

hi i just went to online.co.uk where i can play all diffrent types of online games 1 of which is a 30 minute demo of survival horror game amnesia. i have windows 7 64 bit. Name Compaq CQ1859 on ATI Radeon 3000 Graphics
Current Resolution 1366x768 pixels
Work Resolution 1366x728 pixels
State enabled, primary, output devices support
Monitor Width 1366
Monitor Height 768
Monitor BPP 32 bits per pixel
Monitor Frequency 60 Hz
Device \\.\DISPLAY1\Monitor0
ATI Radeon 3000 Graphics
GPU RS780
Device ID 1002-9616
Subvendor HP (103C)
Current Performance Level Level 1
Die Size 64 nm²
Release Date 2009
DirectX Support 10.0
DirectX Shader Model 4.0
OpenGL Support 2.0
Bios Core Clock 350.00
Bios Mem Clock 533.00
ROPs 4
Shaders 40 unified
Memory Type System
Pixel Fillrate 1.4 GPixels/s
Texture Fillrate 1.4 GTexels/s
Count of performance levels : 1
Level 0 and the game seems very dark when im playing it ive adjusted all me brightness on the monitor contrast settings etc. is there an option in the game i can use to play it so the game looks more clear thx.