Dell Dimension 5150/E510 User Manual Page 63
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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hard drive. The light might also be on when a device such as a CD player is operating. action is
required.
Diagnostic Lights
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
To help you troubleshoot a problem, your computer has four diagnostic lights labeled "1," "2," "3," and "4" on the front panel.
When the computer starts normally, the lights flash. If the POST portion of system boot completes successfully, all four lights
display solid green. If the computer malfunctions during the POST process, the pattern displayed on the lights may help
identify where in the process the computer halted.
Light Pattern Problem Description Suggested Resolution
The computer is in a normal
"off" condition, has successfully
booted to the operating system,
or a possible pre-BIOS failure
has occurred.
Plug the computer into a working electrical outlet and press the power
button. Also see "Power Problems" in your computer Owner's Manual.
A possible processor failure has
occurred.
Contact Dell (see your computer Owner's Manual for information
about how to contact Dell).
Memory modules are detected,
but a memory failure has
occurred.
If you have two or more memory modules installed, remove the
modules, reinstall one module, and then restart the computer.
If the computer starts normally, reinstall an additional module.
Continue until you have identified a faulty module or reinstalled
all modules without error.
If available, install properly working memory of the same type
into your computer.
If the problem persists, contact Dell (see your computer
Owner's Manual for information about how to contact Dell).
A possible graphics card failure
has occurred.
If the computer has a graphics card, remove the card, and then
restart the computer.
If the problem still exists, install a graphics card that you know
works and restart the computer.
If the problem persists or the computer has integrated
graphics, contact Dell (see your computer Owner's Manual for
information about how to contact Dell).
A possible floppy or hard drive
failure has occurred.
Reseat all power and data cables and restart the computer.
A possible USB failure has
occurred.
Reinstall all USB devices, check cable connections, and then restart
the computer.
No memory modules are
detected.
If you have two or more memory modules installed, remove the
modules, reinstall one module, and then restart the computer.
If the computer starts normally, reinstall an additional module.
Continue until you have identified a faulty module or reinstalled
all modules without error.
If available, install properly working memory of the same type
into your computer.
If the problem persists, contact Dell (see your computer
Owner's Manual for information about how to contact Dell).
Memory modules are detected,
but a memory configuration or
Ensure that no special memory module/memory connector
placement requirements exist (see "Memory
").
- Notes, Notices, and Cautions 1
- Before You Begin 2
- Technical Overview 4
- Back View of the Computer 5
- Inside View of Your Computer 7
- System Board Components 8
- DC Main Power Connector P1 10
- DC FDD Connector P7 11
- Specifications 13
- Removing the Computer Cover 17
- DDR2 Memory Overview 18
- Removing Memory 19
- Installing Memory 20
- PCI Cards 22
- Removing a PCI Card 24
- PCI Express Cards 25
- Removing a PCI Express Card 28
- Drive Panel 29
- Front Panel 32
- IDE Drive Addressing 34
- Hard Drive 35
- Removing a Hard Drive 36
- Installing a Hard Drive 37
- Adding a Second Hard Drive 38
- Floppy Drive 39
- Installing a Floppy Drive 40
- Media Card Reader (Optional) 42
- CD/DVD Drive 45
- Installing a CD/DVD Drive 46
- Heat-Sink Assembly 48
- Processor 49
- Installing the Processor 50
- Fan Assembly 52
- Front I/O Panel 53
- System Board 54
- Removing the System Board 55
- Power Supply 56
- Removing the Power Supply 57
- Replacing the Power Supply 58
- Replacing the Computer Cover 59
- Troubleshooting 60
- Dell Diagnostics Main Menu 61
- System Lights 62
- Diagnostic Lights 63
- Beep Codes 64
- System Setup 65
- System Setup Options 66
- Boot Sequence 70
- Clearing Forgotten Passwords 71
- Clearing CMOS Settings 72
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