Microprocessor has failed a BIOS test.

Memory failed to be sized or enabled.

If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

Reseat the memory modules. If the problem persists, remove all but one memory module, and then restart the computer. Repeat this step until the malfunctioning memory module is identified.

PCI bus failure has occurred.

Video controller failed to initialize or respond.

Remove all cards and restart the computer to determine if a resource conflict exists. If a conflict exists, resolve the conflict.

If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

IDE bus failure has occurred.

Reseat the IDE cables. If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

USB port or a device connected to it has failed initialization.

Other failure.

Disconnect the device from the USB port. If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

See "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

Computer has started and turned over control to the operating system.

No action is necessary.

POST Beep Codes

If the monitor cannot display errors or problems, during power-on self-test (POST) the computer may emit a series of beeps, or beep code, that identifies the problem.

If the computer emits a beep code and then fails to start, write down the beep code and look it up in Table 2.

Table 2. System Beep Codes

Beep Code

1

2

3

4

5

6

Possible Cause

Memory refresh failure

Parity cannot be reset

Memory failure within the first 64 KB of memory

Timer not operational

Processor failure

8442 keyboard controller error

Corrective Action

Reseat the memory modules.

Reseat the memory modules.

Reseat the memory modules.

See "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

See "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.

See "Contacting Dell" in the Solutions Guide for instructions on

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Dell Dimension 2100 technical specifications Post Beep Codes, System Beep Codes Possible Cause, Reseat the memory modules