Dell 160L Personal Computer User Manual
Contents
1. Jumper Settings CLEAR PASSWORD NOTICE Ensure that your computer is turned off and unplugged before you change the jumper settings Otherwise damage to your computer or unpredictable results can occur NOTI CE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components To change a jumper setting pull the plug off its pin s and carefully fit it down onto the pin s indicated Description CLEAR Password features are enabled Password features are disabled CLEAR CMOS Real time clock reset Resetting CMOS Settings 6 CAUTION Before you perform this procedure see the safety instructions in your Setup and Quick Reference Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer 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 system board has turned off To locate the light see System Board Components Shut down the computer through the Start menu Ensure that your computer and attached devices are turned off If your computer and attached2. 3 Connect your computer and any devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page I O Panel Dell OptiPlex 160L Service Manual Removing the I O Panel Replacing the I O Panel o O gt HH CAUTI ON Before you perform this procedure see the safety instructions in your Setup and Quick Reference Guide NOTI CE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer NOTI CE Before you disconnect a device from the computer or remove a component from the system board verify that the standby power light on the system board has turned off To locate the light see System Board Components Shut down the computer through the Start menu Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTI CE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack Disconnect any telephone or telecommunication lines from the computer Disconnect your computer and all attached devices from their electrical outlets and press the power button to ground the system board CAUTI ON To guard against electrical shock always unplug your computer from the electrical outlet before r
3. devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack Disconnect any telephone or telecommunication lines from the computer Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover Remove the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components Reset the current CMOS settings a Locate the Clear Password and Clear CMOS jumpers on the system board b Remove the password jumper from its pins c Place the password jumper on the Clear CMOS pins and wait approximately 5 seconds d Remove the jumper from the Clear CMOS pins and place the jumper back on the password pins 7 Replace the computer cover o NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 8 Connect your computer and devices to electrical outlets and turn them on Replacing the Sy
4. your Setup and Quick Reference Guide NOTI CE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer NOTI CE Before you disconnect a device from the computer or remove a component from the system board verify that the standby power light on the system board has turned off To locate the light see System Board Components Shut down the computer through the Start menu Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTI CE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack Disconnect any telephone or telecommunication lines from the computer Disconnect your computer and all attached devices from their electrical outlets and press the power button to ground the system board CAUTI ON To guard against electrical shock always unplug your computer from the electrical outlet before removing the cover Remove the computer cover NOTI CE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal compone
5. Dell OptiPlex 160L Service Manual Removing the Computer Cover Control Panel I O Panel Power Supply System Board Replacing the Computer Cover To remove or replace all other 160L components see the 160L Systems User s Guide Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem _ CAUTION A CAUTION indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2003 Dell Computer Corporation All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden Trademarks used in this text Dell the DELL logo and OptiPlex are trademarks of Dell Computer Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own Model MTC2 June 2003 Rev A00 Back to Contents Page Control Panel Dell OptiPlex 160L Service Manual Removing the Control Panel Replacing the Control Panel o O gt CAUTI ON Before you perform this procedure see the safety instructions in
6. all jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the cover 5 Lay your computer on its side with the computer cover facing up 6 While keeping the cover latch in the open position grip the indents and slide the computer cover toward the back of the computer 7 Place the computer cover on a level surface BH computer cover 2 cover latch Back to Contents Page
7. connect a network cable first plug the cable into the network wall jack and then plug it into the computer 7 Connect your computer and devices to electrical outlets and turn them on DC Power Connectors Power Supply DC Connector Pin Assignments Main Power Connector 2 3 3 VDC Orange 4 voc Red o 5svoc Red 9 j 5vss Purple j ES E E5 E E E E E e Cal CoS eS 0S 0S i i e e i 3 3 VDC 3 3 V default Brown 12 3 4 5 6 7 8 9 10 sense LI 12 13 14 15 16 17 18 19 20 12 volt Power Connector a J xizvoc vetow J r2voc la 5 voc k J xizvoc vetow Back to Contents Page Back to Contents Page System Board Dell OptiPlex 160L Service Manual System Board Components jumper Settings Replacing the System Board System Board Components 2 power comecor aa 1o frontpanel audio comedor 029 2 hard drive connector 423 1a wa card slots 3 cli cla Pris 3 cb arve connector 120 a2 modem telephony connector 125 a foppy drive connector 18 23 c0 audio comector ua contro panel connector y28 14 12v POWER connector Qi o battery socket era 15 processor connector 010 clock jumper CLEAR GHGS 26 fan connector gs s password jumper CLEAR PASSWORD 18 power indicator WED
8. d A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Remove the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components Removing the Power Supply 1 Remove the fan assembly 2 Disconnect the AC power cable from the AC power connector on the back of the power supply 3 Unplug the DC power cables from the drives and system board 4 Remove the four screws that secure the power supply to the back of the computer Pd E P di E rd r NM J a i p Pl A S s ee ut Ps L te T m7 uie a Mar P a L ie A e f ee x ESL N2 p P e MN n m at nk V Ww LT P ES 5 a S E e Det r SY p o Me S qu a d at T zd H screws 4 2 power supply 5 Remove the power supply from the computer Replacing the Power Supply 1 Slide the power supply into place 2 Replace the four screws that secure the power supply to the back of the computer 3 Reinstall the fan assembly 4 Reconnect the DC power cables to the drives and system board 5 Replace the computer cover 6 Connect the AC power cable to the AC power connector on the back of the power supply o NOTI CE To
9. emoving the cover Remove the computer cover NOTI CE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components Removing the I O Panel 1 2 3 Remove the hard drive s Cut the tie wrap cord that secures the I O panel cables to the computer frame Release and remove the front panel a Push the release lever to release the top tab b Reach inside the computer and push the bottom tab toward you to release it the middle tab releases automatically c Rotate the front panel to separate it from the side hinges a sae hinges t u tease ever 2 front panei 5 miade tb awe bottom tab 4 Remove the two screws that secure the I O panel to the computer 5 Remove the I O panel and disconnect the sound USB cable from the I O panel Replacing the I O Panel 1 Attach the sound USB cable to the new I O panel 2 Insert the I O panel into the I O cage and replace the screws that you removed in step 4 2 I O panel 3 I O panel cage 3 Reattach the front panel to the side hinges and then rotate it until it snaps onto the front of the computer a sae nnsa a rent panar 4 Reinstall the hard drive s 5 Replace the computer cover NOTICE To connect a network cable first plu
10. g the cable into the network wall jack and then plug it into the computer 6 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Power Supply Dell OptiPlex 160L Service Manual Removing the Power Supply Replacing the Power Supply DC Power Connectors A CAUTION Before you perform this procedure see the safety instructions in your Setup and Quick Reference Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer 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 system board has turned off To locate the light see System Board Components 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system boar
11. nts Removing the Control Panel 1 2 Disconnect the control panel cable from the connector on the system board Press the control panel lever to release the panel from the notch on the computer H control panel 2 control panel lever notch 3 4 system board connector Replacing the Control Panel l Insert the control panel tab into the notch on the chassis 2 Ensure that the control panel lever is secured by the tab on the chassis 3 Connect the control panel cable to the connector on the system board H control panel lever 2 control panel tab 3 notch 4 Replace the computer cover NOTI CE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 5 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Replacing the Computer Cover Dell OptiPlex 160L Service Manual A CAUTION Before you perform this procedure see the safety instructions in your Setup and Quick Reference Guide 1 Ensure that all cables are connected and fold cables out of the way 2 Ensure that no tools or extra parts are left inside the computer 3 Place the cover on the computer 4 Slide the cover toward the front of the computer until it fits completely into place NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer
12. periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components Removing the System Board 1 Ifa floppy drive is installed remove the floppy drive 2 Remove any installed cards 3 Disconnect all cables from the system board 4 Disconnect the fan power cable from the connector on the system board 5 Remove the shroud fan assembly A CAUTION The processor heat sink can get hot To avoid burns ensure that the heat sink has had sufficient time to cool before you touch it 6 Remove the processor heat sink 7 Remove the 12 screws that secure the system board to the computer frame Four of the 12 screws that secure the system board to the computer frame also secure the heat sink base to the system board system board screws 8 2 heat sink base screws 4 8 Lift the system board out from the computer 9 Place the system board that you just removed next to the replacement system board Visually compare the replacement system board to the existing system board to ensure that you have the correct part Replacing the System Board 1 Transfer components from the existing system board to the replacement system board a Remove the memory modules and install them on the replacement board A CAUTION The processor can get hot To avoid burns ensure that the processor has had sufficient time to cool before you touch it b Remove the processor from the exis
13. stem Board A CAUTION Before you perform this procedure see the safety instructions in your Setup and Quick Reference Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer 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 system board has turned off To locate the light see System Board Components 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Remove the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work
14. ting system board and transfer it to the replacement system board 2 Configure the settings of the replacement system board Set the jumpers on the replacement system board so they are identical to the ones on the existing board 3 Place the system board inside the computer frame place the heat sink base on the system board and then replace the screws that you removed in step 7 of the preceding procedure 4 Reinstall the processor heat sink 5 Reinstall the shroud fan assembly and then lower the heat sink shroud 6 Reattach the cables to the system board 7 Reinstall any cards 8 Replace the floppy drive if used 9 Replace the computer cover o NOTI CE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 10 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Removing the Computer Cover Dell OptiPlex 160L Service Manual A CAUTION Before you perform this procedure see the safety instructions in your Setup and Quick Reference Guide 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network w
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