My friend computer was working fine with 800*600 resolution. He has pentium4, 2GHZ processor and 256 MB ram. No any external cards. Now monitor display is not working after i changed the resolution to 1024*768 screen resolution. Windows is loading first, then the power management frequency is display in black screen. What problem is this?. I did reset the lithium battery and changed load optimized default in bios settings. No use. What to do?. If i reinstall the computer, will it work?. Is there any solution for that?.
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