Notebook Acer Aspire 5551. No initialization and weird behavior.
Purchasing: Notebook purchased for cheap from OLX with folowing description: Used by childrens over 6 years, now it has a problem with power button, somtimes it won`t turn on and can shutdown without any reason. Also there is broken body at the hinge. The seller says that a service guy even did not take it to repair, because there might be a problem with some bridge and rapairing can be irrational... Diagnostics: First boot runs without any symptoms just fine. There was installed 5 antiviruses, several anti spy programms lot of cleaning/speedboosting apps and other crap. The windows was full of lags. I have installed fresh windows and made some tests. Everything works normaly. The next day notebook wont start, just blowing fan and flashing power LEDs. I have been adviced to heat up the north/south bridge. No effect. When I resolder the EEPROM, the system starts and begins works normaly. The next day new symtoms appears. The notebook wont go initialization again, but sometimes it runs a...