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Popular Dell OptiPlex 270 Manual Pages
Service Manual - Page 1
is subject to avoid the problem.
Trademarks used in this document is strictly forbidden. Dell™ OptiPlex™ GX270 Service Manual
Safety Instructions Opening the Computer Cover Chassis Intrusion Switch Control Panel I/O Panel Power Supply System Board Closing the Computer Cover
To remove or replace all other than its own. CAUTION: A CAUTION indicates a potential for ...
Service Manual - Page 2
...in "Safety Instructions." To locate the light, see "System Board." 1. Remove the computer stand, if it from their electrical outlets, and then press the power button to...jack. 3. Back to Contents Page
Chassis Intrusion Switch
Dell™ OptiPlex™ GX270 Service Manual Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector
...
Service Manual - Page 3
... and turn them on using system setup, see the User's Guide.
2.
NOTICE: To connect a ...instructions on . or right-arrow key to Enabled, Enabled-Silent, or Disabled. Connect your computer and devices to the connector on the control panel. 2. Slide the chassis intrusion switch into the computer. 4.
Small Mini-Tower Computer
Replacing the Chassis Intrusion Switch
1. Change the setting...
Service Manual - Page 5
... to dissipate any static electricity that the standby power light on each side) 2 computer 3 computer cover... "Safety Instructions." Disconnect any telephone or telecommunication lines from their electrical outlets, and press the power button to...to Contents Page
Control Panel
Dell™ OptiPlex™ GX270 Service Manual Removing the Control Panel Replacing the Control Panel
CAUTION: Before...
Service Manual - Page 10
... any telephone or telecommunication lines from their electrical outlets, and then press the power button to support the open cover-at least 30 cm (1 ft) of the cover, and... the two release buttons shown in "Safety Instructions."
1. NOTICE: Open the cover slowly to Contents Page
Opening the Computer Cover
Dell™ OptiPlex™ GX270 Service Manual CAUTION: Before you begin any of the ...
Service Manual - Page 12
...setup password has been assigned by entering system setup and changing the Chassis Intrusion setting to Enabled or Enabled-Silent. Back to Contents Page
Closing the Computer Cover
Dell™ OptiPlex™ GX270 Service Manual...drives. 2. After you so that both sides of the procedures in this section, follow the steps in "Safety Instructions." 1. Close the cover:
a.
Gently pull the power...
Service Manual - Page 13
...are connected to the computer, remove the hard drive. 2. Disconnect all attached devices from the ...Instructions." While you have installed a padlock through the Start menu. 2. Back to Contents Page
I/O Panel
Dell™ OptiPlex™ GX270 Service Manual Removing the I/O Panel Replacing...the standby power light on the back panel, remove the padlock. NOTICE: Before you can replace it ...
Service Manual - Page 15
...and the drives.
NOTICE: Before touching anything inside your computer and attached devices are turned off . NOTICE: Before you disconnect a device from the computer or remove a component from the system board, verify that the standby power light on the floor of the computer.
Back to Contents Page
Power Supply
Dell™ OptiPlex™ GX270 Service Manual Removing the Power Supply...
Service Manual - Page 16
... the cables as leverage and pull away from the side of the hard drive. Small Mini-Tower Computer
1. Remove the two screws that attach the power supply to prevent their being pinched or crimped.
2.
Remove the expansion-card cage and remove the power cables from the clips while you pull on the metal clips with...
Service Manual - Page 17
.... 3. On the small desktop computer, reattach the power cables to the back of the hard drive and replace the expansion-card cage. 6. Attach the computer stand, if it into the computer.
9. Close the computer cover. 8. 4.
Reconnect the DC power cables. 4. Back to close them on. Replacing the Power Supply
1. Slide the power supply into the network wall jack and then...
Service Manual - Page 18
... to Contents Page
System Board
Dell™ OptiPlex™ GX270 Service Manual
Small Form-Factor System Board
1 floppy-drive connector (DSKT) 2 CD/DVD drive connector (IDE2)
3 battery socket (BATTERY) 4 front-panel connector
(FRONTPANEL) 5 IDE hard-drive connector (IDE1)
6 serial ATA hard-drive connector (SATA1)
7 internal speaker (SPEAKER)
8 standby power light (AUX_PWR) 9 AGP card connector...
Service Manual - Page 19
...and heat sink connector (CPU)
6 serial ATA hard-drive connector (SATA1) 16 microprocessor fan connector (FAN)
7 internal speaker (SPEAKER)
17 memory module connectors (DIMMs 1, 3, 2, and 4)
8 standby power light (AUX_PWR)
18 power connector (POWER)
9 AGP card connector (AGP)
19 RTC reset jumper (RTCRST)
10 PCI riser board connector (PCI2)
20 password jumper (PSWD)
Small Mini-Tower System...
Service Manual - Page 20
...7 serial ATA hard-drive connector (SATA1) 18 memory module connectors (DIMMs 1, 3, 2, and 4)
8 internal speaker (SPEAKER)
19 power connector (POWER)
9 standby power light (AUX_PWR)
20 RTC reset jumper (RTCRST)
10 AGP card connector (AGP)
21 password jumper (PSWD)
11 PCI connectors (PCI 1, 2, 3, and 4))
Jumper Settings
Jumper Setting PSWD (default)
RTCRST
Description Password features are...
Service Manual - Page 22
.... Connect your computer and devices to the tabs on .
Replacing the System Board
1. Set the replacement system board on the metal tray, slide it from the existing system board and transfer them . Remove the memory modules and install them on the computer. 6. Set the jumpers on the replacement system board so they are removed as one piece...
Service Manual - Page 24
... Always follow installation instructions closely. Back to Contents Page
CAUTION: Safety Instructions
Dell™ OptiPlex™ GX270 Service Manual General When Working...power, use a 3-wire cable with
3-prong plugs to help avoid possible damage to service the computer yourself unless you must use an extension cable, use a surge suppressor, line conditioner, or uninterruptible power supply...
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