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I recently replaced my heat fan and during the process of making sure I put the fan in correctly I turned the computer on and off several times. I did have to take the fan out and turn it around, the cpu was dislodged because of the thermal paste. Now that I have a monitor hooked up to the computer all I get is a black screen. The fan and computer are running but that is it. Help! How do I get rid of the black screen or did something happen to my cpu?


Answers :

For that first Refix RAM memory.
Pull cmos cell from motherbord for 10 minutes.
Then open processor and it's fan then refix both.
Then power up the computer check numlock key on keybord.Press num lock key if numlock key led is turn on/off then cpu gives display to monitor.
For that when you power up the computer press F8 key then enter in enable vga mode.
Then go to start ->control panel ->display -settings.
Then change screen resolution to 1024*768.Then apply and ok.
Then check.
Let me know if you need further assistance.Thanks.
First remove the CPU heatsink, unlatch the CPU. Remove the CPU carefully, reinsert the CPU (it should just drop in if you have it keyed correctly), re-latch the CPU. Clean the old thermal grease from the CPU and heatsink, reapply new thermal grease and install the heatsink. You may have lost connection to a CPU pin. Be sure all add on cards like the Video card are fully seated. If you did not receive a "beep" when you turn the computer on then more than likely the CPU lost connection.
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