49EnglishFrequently-asked questionsThe following is a list of possible situations that may arise during theuse of your computer. Easy answers and solutions are provided foreach one.I opened the display and pressed the power button, but computerdoes not start or boot-up.Look at the Power indicator:• If it is not lit, no power is being applied to the computer. Checkthe following:• If you are running on battery power, it may be low and unableto power the computer. Connect the AC adapter to rechargethe battery pack.• Make sure that the AC adapter is plugged in properly to thecomputer and to the power outlet.• If it is lit, check the following:• The operating system files may be damaged or missing. Insertthe bootable Acer System CD into the optical drive to restartthe system. This will diagnose your system and make necessaryfixes.Nothing appears on the screen.The computer’s power management system automatically blanks thescreen to save power. Press any key to turn the display back on.If pressing a key does not turn the display back on, two things mightbe the cause:• The brightness level might be too low. Press Fn-→ (increase) andFn-← (decrease) to adjust the brightness to higher.• The display device might be set to an external monitor. Press thedisplay toggle hot key Fn-F5 to toggle the display back to thecomputer.Image is not full-screen.The computer display has a native resolution of 1024 x 768 (XGA) forthe 14.1”/15.0” or 1400 x 1050 (SXGA+) for the 15.0”(selected models