HP dc5700 - Microtower PC User Manual

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. 1. Reseat DIMMs. Power on the system.
2. Replace DIMMs one at a time to isolate the faulty module.
3. Replace third-party memory with HP memory.
4. Replace the system board.
Table 2-13 Solving Memory Problems (continued)
38 Chapter 2 Troubleshooting Without Diagnostics ENWW

HP dc5700 - Microtower PC Specifications

General

Chipset	Intel Q965 Express
Optical Drive	DVD-ROM, DVD+/-RW
Form Factor	Microtower
Processor	Intel Core 2 Duo, Pentium D
Memory	Up to 4 GB DDR2
Storage	Up to 250 GB HDD
Graphics	Intel Graphics Media Accelerator 3000
Audio	Integrated
Network	Integrated 10/100/1000 Ethernet
Expansion Slots	1 PCI Express x16, 1 PCI Express x1
Ports	USB 2.0, VGA, serial, parallel, audio
Operating System	Windows XP, Windows Vista