System Setup

2. The laptop will not boot and hangs on the screen before booting the system Seen causes and solutions have already checked: A) Try to restore the operating system, corrupted files can cause this Sinoma B) change the boot sequence and press the System Setup (Linux or Windows) to download CD C) Make a test operation or replace the HD, the same deficiencies that cause Sinoma D) Check the specifications for the voltage and current in power according to the needs of your notebook, if you do not provide a source of compatible E) Remove the battery and test again, faulty batteries cause this symptom F) Using virus checkers and cleaners system of recording and analysis Notepad G) The use of diagnostic programs to check possible errors in memory and other peripherals H) faulty RAM and hard disk with bad blocks or very fragmented can lead to this symptom, it is possible to check and make another RAM function tests HD 3. Notebook LED panel lights do not appear on the screen video Seen causes and solutions have already checked: A) Check the specifications for voltage and current supply to meet the needs of your notebook, if you do not provide a source of compatible B) Remove the battery and test again, faulty batteries cause of this Symptom C) Make sure that the HD light flashes that the operating system will boot if you look at the decision to defect numbers 7:08 D) defects in memory, processor, HD, and other peripherals can be caused by symptom, test them on another laptop or delete them one by one, and then testing to see if the device has little that could be causing this symptom (NOTE: Before you remove peripherals one by one dsligue laptop) E) This problem can be caused by a common fault in the laptop processor motherboards, this error can be obtained from the IC BGA Solder Cold Video Controller Motherboard laptop in this case, the Board shall be compensation in the laboratory specializes in the maintenance of the preparation of infrared, hot air or other specific processing of BGA Solder 4. .