My buddy gave me his wife's Dell Studio 1737 to fix, tried to let it boot normally, got a BSOD with an error msg. Ok, driver issue. I googled and found out this ...

Regardless of which operating system you use, restarting your computer in safe mode is a great method for resolving a number of technical issues. If you’re on a Mac, you’ll need to know how to do this ...

Turn off your system. Remove the power cord and disconnect all the peripherals. Disconnect the charger if it is a laptop. Press and hold the power button for up to 30 seconds. Turn on your system.