Dell OptiPlex GX100 Service Manual - Page 9

System Power Supply

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10. If it is not already connected, connect the blue connector on the EIDE interface cable to the IDE1 connector on the system board. To locate the IDE1 connector on the system board, see "System Board Components." 11. Replace the computer cover. Then reconnect your computer and peripherals to their electrical outlets, and turn them on. 12. If the drive you just installed is the primary drive, insert a bootable diskette into drive A. 13. Turn on the computer system. 14. Enter System Setup and update the appropriate Primary Drive option, 0 or 1 (see the online System User's Guide for complete information). 15. After you update the System Setup settings, reboot the system. 16. Partition and logically format your drive before you proceed to the next step. See the documentation for your operating system for instructions. NOTE: On systems with hard-disk drives larger than 2 GB, create a primary partition of 2 GB and divide the remaining capacity into partitions of 2 GB or less. For example, a system with a 2.5-GB hard-disk drive would have a primary partition of 2 GB (drive C) and a second partition of 500 MB (drive D). Hard-disk drives must be partitioned this way because MS-DOS®-based operating systems (including Microsoft®Windows NT®, when using a FAT16 file system) do not support drive partitions larger than 2 GB. 17. Test the hard-disk drive by running the Dell Diagnostics (see the online System User's Guide for complete information. 18. If the drive you just installed is the primary drive, install your operating system on the hard-disk drive. For instructions, refer to the documentation that came with your operating system. System Power Supply Figure 13. Power Supply Removal 1 AC power cord 2 AC power receptacle 3 Power supply 4 DC power cables 5 Securing screw To remove the system power supply, perform the following steps: 1. Disconnect the AC power cable from the back of the power supply. 2. Disconnect the DC power cables from the system board and the drives. Note the routing of the DC power cables underneath the tabs in the chassis as you remove them from the system board and drives. It is important to route these cables properly when you replace them to prevent them from being pinched or crimped. 3. Remove the screw below the fan guard on the back of the chassis. 4. Slide the power supply toward the front of the computer approximately 1 inch.

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10.
If it is not already connected, connect the blue connector on the EIDE interface cable to the IDE1 connector on the system board.
To locate the IDE1 connector on the system board, see "
System Board Components
."
11.
Replace the computer cover. Then reconnect your computer and peripherals to their electrical outlets, and turn them on.
12.
If the drive you just installed is the primary drive, insert a bootable diskette into drive A.
13.
Turn on the computer system.
14.
Enter System Setup and update the appropriate Primary Drive option, 0 or 1 (see the online
System User's Guide
for complete information).
15.
After you update the System Setup settings, reboot the system.
16.
Partition and logically format your drive before you proceed to the next step.
See the documentation for your operating system for instructions.
17.
Test the hard-disk drive by running the Dell Diagnostics (see the online
System User's Guide
for complete information.
18.
If the drive you just installed is the primary drive, install your operating system on the hard-disk drive.
For instructions, refer to the documentation that came with your operating system.
System Power Supply
Figure 13. Power Supply Removal
To remove the system power supply, perform the following steps:
1.
Disconnect the AC power cable from the back of the power supply.
2.
Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the chassis as you remove them from the system board and drives. It is
important to route these cables properly when you replace them to prevent them from being pinched or crimped.
3.
Remove the screw below the fan guard on the back of the chassis.
4.
Slide the power supply toward the front of the computer approximately 1 inch.
NOTE:
On systems with hard-disk drives larger than 2 GB, create a primary partition of 2 GB and divide the remaining capacity
into partitions of 2 GB or less. For example, a system with a 2.5-GB hard-disk drive would have a primary partition of 2 GB (drive
C) and a second partition of 500 MB (drive D). Hard-disk drives must be partitioned this way because MS-DOS
®–
based operating
systems (including Microsoft
®
Windows NT
®
, when using a FAT16 file system) do not support drive partitions larger than 2 GB.
1
AC power cord
2
AC power receptacle
3
Power supply
4
DC power cables
5
Securing screw