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Chapter 4
154
If the computer boots correctly, add the devices one by one until the failure point is discovered.
4.
Reseat the memory modules.
5.
Remove the drives (see “Disassembly Process” on page 40).
6.
If the Issue is still not resolved, see “Online Support Information” on page 184.
Abnormal Video Display
If video displays abnormally, perform the following actions one at a time to correct the problem.
1.
Reboot the computer.
2.
If permanent vertical/horizontal lines or dark spots display in the same location, the LCD is faulty and
should be replaced. See “Removing the LCD Panel” on page 85.
3.
If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD
is faulty and should be replaced. See “Removing the LCD Panel” on page 85.
4.
Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings.
NOTE:
Ensure that the computer is not running on battery alone as this may reduce display brightness.
If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. See
“Removing the LCD Panel” on page 85.
5.
Check the display resolution is correctly configured:
a.
Minimize or close all Windows.
b.
If display size is only abnormal in an application, check the view settings and control/mouse wheel
zoom feature in the application.
c.
If desktop display resolution is not normal, right-click on the desktop and select
Personalize
´
Display Settings
.
d.
Click and drag the Resolution slider to the desired resolution.
e.
Click
Apply
and check the display. Readjust if necessary.
6.
Roll back the video driver to the previous version if updated.
7.
Remove and reinstall the video driver.
8.
Check the Device Manager to determine that:
•
The device is properly installed. There are no red Xs or yellow exclamation marks.
•
There are no device conflicts.
•
No hardware is listed under Other Devices.
9.
Run the Windows Memory Diagnostic from the operating system DVD and follow the onscreen prompts.
10.
If the Issue is still not resolved, see “Online Support Information” on page 184.
Содержание ZX4830 Series
Страница 6: ...VI Laptopblue...
Страница 10: ...X Table of Contents Laptopblue...
Страница 47: ...Chapter 2 37 Laptopblue...
Страница 53: ...43 Chapter 3 4 Lift the ODD bezel away 5 Close the ODD assembly Laptopblue...
Страница 57: ...47 Chapter 3 5 Forcefully pry the rear cover from the assembly i ii iii iv Laptopblue...
Страница 59: ...49 Chapter 3 4 Disconnect the audio cable from the audio board Laptopblue...
Страница 62: ...Chapter 3 52 7 Remove the HDD module from the bracket Laptopblue...
Страница 74: ...Chapter 3 64 15 Lift the mainboard shielding away from the chassis Laptopblue...
Страница 76: ...Chapter 3 66 4 Lift the WLAN module away Laptopblue...
Страница 78: ...Chapter 3 68 4 Lift the TV module away 5 Disconnect the other end of the TV cable and remove Laptopblue...
Страница 82: ...Chapter 3 72 4 Remove the fan Laptopblue...
Страница 87: ...77 Chapter 3 4 Remove the cables from the guide clips Laptopblue...
Страница 91: ...81 Chapter 3 8 Remove the LVDS cable 9 Remove the adhesive tape off the sensor cables Laptopblue...
Страница 97: ...87 Chapter 3 4 Lift the power board away from the bezel Laptopblue...
Страница 100: ...Chapter 3 90 4 Disconnect the webcam cable Laptopblue...
Страница 107: ...97 Chapter 3 3 Replace the speaker cable into the retention guides 4 Replace the speaker cable adhesive tape Laptopblue...
Страница 110: ...Chapter 3 100 Replacing the Webcam 1 Connect the webcam cable to the webcam board 2 Replace the webcam Laptopblue...
Страница 111: ...101 Chapter 3 3 Replace the two 2 screws Step Size Quantity Screw Type Webcam M2 3 2 Laptopblue...
Страница 115: ...105 Chapter 3 3 Replace the four 4 screws Step Size Quantity Screw Type LCD Panel M3 4 4 Laptopblue...
Страница 120: ...Chapter 3 110 12 Adhere the tape over the sensor cables and lay the cable through the retention hook Laptopblue...
Страница 121: ...111 Chapter 3 13 Connect the LVDS cable 14 Adhere the LVDC cable protective cover Laptopblue...
Страница 122: ...Chapter 3 112 15 Lay the LVDS cable through the retention guides and into the guide clip Laptopblue...
Страница 125: ...115 Chapter 3 3 Replace the two 2 screws Step Size Quantity Screw Type USB Board M2 5 4 2 Laptopblue...
Страница 128: ...Chapter 3 118 Replacing the Thermal Module 1 Replace the thermal module 2 Tighten the three 3 captive screws Laptopblue...
Страница 131: ...121 Chapter 3 Replacing the DIMM Module 1 Replace the DIMM Module 2 Press down to lock into place Laptopblue...
Страница 134: ...Chapter 3 124 3 Replace the two 2 connectors The gray cable is placed closest to the fan Laptopblue...
Страница 138: ...Chapter 3 128 4 Connect the left and right touchscreen sensor cable connectors Laptopblue...
Страница 140: ...Chapter 3 130 4 Adhere the inverter cable tape 5 Connect the webcam cable 6 Connect the LVDS cable Laptopblue...
Страница 143: ...133 Chapter 3 4 Connect the two 2 LCD to inverter board cables 1 and 2 1 2 Laptopblue...
Страница 146: ...Chapter 3 136 7 Replace the two 2 screws Step Size Quantity Screw Type ODD Module M2 5 4 2 Laptopblue...
Страница 151: ...141 Chapter 3 4 Replace 4 four screws Step Size Quantity Screw Type Rear Cover M2 5 7 4 Laptopblue...
Страница 155: ...145 Chapter 3 4 Close the ODD Laptopblue...
Страница 193: ...183 Appendix B Laptopblue...
Страница 196: ...186 Laptopblue...
Страница 197: ...187 Laptopblue...
Страница 198: ...188 Laptopblue...