
Troubleshooting
4-5
No Display Issues
0
If the Display does not work, perform the following:
Figure 4-2.
No Display Issue
No POST or Video
0
If the POST or video does not appear, perform the following:
1.
Make sure that internal display is selected. Switching between internal and external by
pressing
Fn+F5
. Reference product pages for specific model procedures.
2.
Make sure the computer has power by checking for one of the following:
Fans start up
Status LEDs illuminate
If no power, refer to
Power On Issues
.
3.
Drain stored power by removing the power cable and battery. Hold the power button for 10
seconds.
4.
Connect the power and reboot the computer.
5.
Connect an external monitor to the computer and switch between the internal display and
the external display is by pressing
Fn+F5
.
Содержание E644
Страница 1: ...eMachines E644 E644G SERVICEGUIDE ...
Страница 4: ...iv ...
Страница 10: ...x ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 32: ...1 22 Hardware Specifications and Configurations System Block Diagram Figure 1 10 System Block Diagram ...
Страница 53: ...CHAPTER 2 System Utilities ...
Страница 80: ...2 28 System Utilities ...
Страница 81: ...CHAPTER 3 Machine Maintenance Procedures ...
Страница 84: ...3 4 ...
Страница 118: ...3 38 Machine Maintenance Procedures ID Size Quantity Screw Type B ICW50 CPU Thermal Screw 4 ...
Страница 135: ...CHAPTER 4 Troubleshooting ...
Страница 141: ...Troubleshooting 4 7 LCD Failure 0 If the LCD fails perform the following Figure 4 3 LCD Failure ...
Страница 142: ...4 8 Troubleshooting Keyboard Failure 0 If the Keyboard fails perform the following Figure 4 4 Keyboard Failure ...
Страница 143: ...Troubleshooting 4 9 Touchpad Failure 0 If the Touchpad fails perform the following Figure 4 5 Touchpad Failure ...
Страница 147: ...Troubleshooting 4 13 USB Failure 0 If the USB fails perform the following Figure 4 8 USB Failure ...
Страница 148: ...4 14 Troubleshooting Wireless Failure 0 If the wireless fails perform the following Figure 4 9 Wireless Failure ...
Страница 149: ...Troubleshooting 4 15 Bluetooth Failure 0 If the wireless fails perform the following Figure 4 10 Bluetooth Failure ...
Страница 162: ...4 28 Troubleshooting ...
Страница 163: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 172: ...5 10 Jumper and Connector Locations ...
Страница 173: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Страница 174: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 18 ...
Страница 191: ...CHAPTER 7 Model Definition and Configuration ...
Страница 192: ...7 2 eMachines E644 7 3 eMachines E644G 7 8 ...
Страница 200: ...7 10 Model Definition and Configuration ...
Страница 201: ...CHAPTER 8 Test Compatible Components ...
Страница 202: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Страница 212: ...8 12 Test Compatible Components ...
Страница 213: ...CHAPTER 9 Online Support Information ...
Страница 214: ...9 2 Introduction 9 3 ...
Страница 216: ...9 4 Online Support Information ...