Computer will not start.

Cause

Solution

 

 

 

Wrong memory modules were used in the upgrade or

1.

Review the documentation that came with the system to

memory modules were installed in the wrong location.

 

determine if you are using the correct memory modules

 

 

and to verify the proper installation.

 

 

NOTE: DIMM1 or XMM1 must always be installed.

 

 

DIMM1 must be installed before DIMM2, and DIMM3

 

 

must be installed before DIMM4.

 

2.

Observe the beeps and LED lights on the front of the

 

 

computer. Beeps and flashing LEDs are codes for specific

 

 

problems.

 

3.

If you still cannot resolve the issue, contact Customer

 

 

Support.

 

 

 

Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

Memory is installed incorrectly or is bad.

CAUTION: To avoid damage to the DIMMs or the system

 

board, you must unplug the computer power cord before

 

attempting to reseat, install, or remove a DIMM module.

 

1.

Reseat DIMMs. Power on the system.

 

2.

Replace DIMMs one at a time to isolate the faulty

 

 

module.

 

 

NOTE: DIMM1 or XMM1 must always be installed.

 

 

DIMM1 must be installed before DIMM2, and DIMM3

 

 

must be installed before DIMM4

 

3.

Replace third-party memory with HP memory.

 

4.

Replace the system board.

 

 

 

Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

Graphics card (some models) is not seated properly or is bad, or system board is bad.

For systems with a graphics card:

1.Reseat the graphics card. Power on the system.

2.Replace the graphics card.

3.Replace the system board.

For systems with integrated graphics, replace the system board.

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Chapter 8 Troubleshooting without diagnostics

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HP E2A03UT E2A03UT#ABA, E1Z80UT E1Z80UT#ABA Troubleshooting without diagnostics, Computer will not start Cause Solution
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