
Diagnostics
Dell Precision™ T7500 Service Manual
Dell Diagnostics
Power Button Light Codes
Diagnostic Light Codes
Pre-POST Diagnostic Light Patterns
POST Diagnostic Light Patterns
Beep Codes
Dell Diagnostics
When to Use the Dell Diagnostics
It is recommended that you print these procedures before you begin.
NOTE:
The Dell Diagnostics software works only on Dell computers.
NOTE:
The
Drivers and Utilities
disc is optional and may not ship with your computer.
Enter system setup (see
Entering System Setup
), review your computer's configuration information, and ensure that the
device you want to test displays in System Setup and is active.
Start the Dell Diagnostics from either your hard drive or from the
Drivers and Utilities
disc.
Starting the Dell Diagnostics From Your Hard Drive
1. Turn on (or restart) your computer.
2. When the DELL logo appears, press <F12> immediately.
NOTE:
If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics
from your
Drivers and Utilities
disc.
If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft®
Windows® desktop. Then shut down your computer (see
Turning Off Your Computer
), and try again.
3. When the boot device list appears, highlight
Boot to Utility Partition
and press <Enter>.
4. When the Dell Diagnostics
Main Menu
appears, select the test that you want to run.
Starting the Dell Diagnostics From the Drivers and Utilities Disc
1. Insert the
Drivers and Utilities
disc
.
2. Shut down and restart the computer.
When the DELL logo appears, press <F12> immediately.
If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut
down your computer and try again.
NOTE:
The next steps change the boot sequence for one time only. On the next startup, the computer boots
according to the devices specified in the system setup program.
3. When the boot device list appears, highlight
Onboard or USB CD-ROM Drive
and press <Enter>.
4. Select the
Boot from CD-ROM
option from the menu that appears and press <Enter>.
5. Type
1
to start the menu and press <Enter> to proceed.
Содержание Precision T7500
Страница 19: ...NOTE If any DIMMs are 30mm tall possible early 16GB DIMMs they must be installed on the system board only ...
Страница 26: ...3 Pull the cover away from the computer 4 Remove the cover from the computer ...
Страница 27: ......
Страница 29: ...5 Remove the coin cell battery from the computer ...
Страница 30: ......
Страница 34: ......
Страница 36: ...4 Remove the screws securing the first hard drive cage to the chassis 5 Remove the first hard drive cage ...
Страница 37: ...6 Repeat the process for the second hard drive cage ...
Страница 38: ......
Страница 41: ...7 Remove the fan assembly from the computer ...
Страница 42: ......
Страница 44: ...3 Remove the memory shroud from the computer ...
Страница 47: ......
Страница 50: ...6 Remove the chipset fan from the computer ...
Страница 51: ......
Страница 55: ......
Страница 59: ......
Страница 62: ...5 Slide the intrusion switch toward the center of the computer 6 Remove the intrusion switch from the computer ...
Страница 63: ......
Страница 66: ......
Страница 69: ......
Страница 72: ...5 Slide the optical drive out of the front of the chassis and remove the optical drive from the computer ...
Страница 73: ...5 ...
Страница 76: ...5 Remove the fan from the computer ...
Страница 77: ......
Страница 80: ......
Страница 82: ...4 Loosen the four captive screws on the heat sink 5 Remove the heat sink from the computer ...
Страница 83: ...6 Press down and out on the processor holder arm to release it 7 Lift the processor cover ...
Страница 84: ...8 Remove the processor from the computer ...
Страница 85: ......
Страница 93: ...17 Open the dual processor cover 18 Remove the dual processor from the dual processor board ...
Страница 94: ......
Страница 96: ...5 Disconnect the data cable 6 Disconnect the USB cable ...
Страница 97: ...7 Remove the screws securing the I O panel to the computer chassis 8 Remove the I O panel from the computer ...
Страница 98: ......
Страница 100: ...8 Disconnect the rear fan cable 9 Disconnect the front panel audio cable ...
Страница 101: ...10 Disconnect the intrusion switch cable 11 Disconnect the 1394 cable ...
Страница 102: ...12 Disconnect the floppy cable 13 Disconnect the I O panel cable ...
Страница 103: ...14 Disconnect the hard drive fan cable 15 Disconnect any hard drive data cables ...
Страница 104: ...16 Disconnect the power supply cable 17 Disconnect the optical drive data cable ...
Страница 105: ...18 Disconnect the power supply data cable 19 Remove the nine screws securing the system board ...
Страница 107: ...22 Remove the system board from the chassis ...
Страница 108: ......