This section describes how to determine if the computer‟s internal DVD-ROM drive or
CD-RW/DVD-ROM drive is functioning properly. Figure 6-10 outlines the process.
Perform the steps below starting with Procedure 1 and continue with the other
procedures as required.
Procedure 1:
Audio CD test
Procedure 2:
Drive cleaning check
Procedure 3:
Software check
Procedure 4:
Diagnostic test
Procedure 5:
Connection and replacement check
11.1
Procedure 1 Audio CD check
First, insert an audio CD into the CD/DVD drive. If it works, the problem is not with the
drive. Go to Procedure 3. If the audio CD does not work, go to Procedure 2. If the
CD/DVD LED on the front panel does not light when the disc is played and the drive
gives no response, go straight to Procedure 3.
11.2
Procedure 2 Drive cleaning check
Insert a CD/DVD drive-cleaning disk into the drive clean according to the
drive-cleaning product instructions. If the problem persists, go to Procedure 3.
11.3
Procedure 3 Software check
Ensure that the appropriate driver has been installed on the computer for the CD/DVD
drive.
11.4
Procedure 4 Diagnostic test
The CD-ROM/DVD-ROM test program stored in the Diagnostics Disk will test the
drive‟s ability to play an audio CD, as well as the functions of the CD control buttons.
If any errors occur while executing the diagnostic program, go to Procedure 5.
11.5
Procedure 5 Connection check and replacement check
The DVD-ROM drive or the CD-RW/DVD-ROM drive connects to the system board.
The drive may be disconnected, or the drive or system board may be damaged.
Replacement Procedures and perform the following checks:
Check 1
Make sure the drive is firmly connected to the system board.
If the connection is good and there is still an error, go to Check 2.
Check 2
The drive or drive cable may be defective or damaged. Replacement Procedures.
If the drive is still not functioning properly, perform Check 3.
Check 3
The system board may be damaged.
Содержание NBLB2
Страница 1: ...NBLB2 Service Manual...
Страница 6: ......
Страница 7: ...1 Chapter 1 System Description Specification...
Страница 12: ...NBLB2 Service Manual 6 Chapter 2 Software Specification...
Страница 66: ...NBLB2 Service Manual 60 Chapter 3 Hardware...
Страница 69: ...NBLB2 Service Manual 63 Chapter 4 DC DC Converter...
Страница 74: ...NBLB2 Service Manual 68 VOLTAGE IDENTIFICATION CODES...
Страница 75: ...NBLB2 Service Manual 69...
Страница 76: ...NBLB2 Service Manual 70...
Страница 83: ...NBLB2 Service Manual 77 Chapter 5 Disassembly Guide...
Страница 89: ...NBLB2 Service Manual 83 4 Grasp the module and pull it out...
Страница 97: ...NBLB2 Service Manual 91 3 Them remove LVDS cable and microphone cable speaker cable 4 Remove the LCD module...
Страница 100: ...NBLB2 Service Manual 6 Gently lift out the display Remove eight screws securing the hinges to the display...
Страница 103: ...NBLB2 Service Manual 97 3 Lift off the logic upper...
Страница 111: ...NBLB2 Service Manual 97 3 Lift off the logic upper...
Страница 118: ...NBLB2 Service Manual Chapter 6 Testing and Troubleshooting...
Страница 121: ...NBLB2 Service Manual 107 Figure 6 1 Troubleshooting flowchart 1 2...
Страница 122: ...NBLB2 Service Manual Figure 6 1 Troubleshooting flowchart 2 2...
Страница 124: ...NBLB2 Service Manual 3 Power Supply Troubleshooting Figure 6 2 Power Supply Troubleshooting Process...
Страница 129: ...NBLB2 Service Manual 115 4 Display Troubleshooting Figure 6 3 Display troubleshooting process...
Страница 132: ...5 Keyboard Troubleshooting Figure 6 4 Keyboard troubleshooting process...
Страница 134: ...6 External USB Devices Troubleshooting Figure 6 5 External USB device troubleshooting process...
Страница 136: ...7 CRT troubleshooting Figure 6 6 CRT troubleshooting process...
Страница 138: ...8 HDMI troubleshooting Figure 6 7 HDMI troubleshooting process...
Страница 140: ...9 Touch Pad Troubleshooting Figure 6 8 Touch Pad troubleshooting process...
Страница 142: ...10 Speaker Troubleshooting Figure 6 9 Speaker troubleshooting process...
Страница 144: ...11 CD ROM DVD Troubleshooting Figure 6 10 CD ROM DVD drive troubleshooting process...
Страница 146: ...12 Wireless LAN Troubleshooting Figure 6 11 Wireless LAN troubleshooting process...
Страница 148: ...The system board may be damaged Replace it with a new one following the instructions in Chapter...