HP 18XL381 manual System Board

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

System Board

To remove the system board, complete the following steps:

1.Prepare the Notebook for disassembly (pg 10).

2.Remove the Palmrest cover with TouchPad (pg 13).

3.Remove the keyboard (pg 16).

4.Remove the heat sink (pg 23).

5.Remove the button board cover (pg 17).

6.Remove the Internet switch board (pg 21).

7.Remove the display panel assembly (pg 34).

8.Remove the hard drive (pg 25).

9.Remove the upper CPU cover (pg 37).

10.Disconnect the LCD DisqPlay module cable from the system board (pg 28).

11.Remove the modem (pg 24).

12.Remove the CD, CD-RW, or DVD drive (pg 31).

13.Remove the fan assembly (pg 38).

14.Disconnect the diskette drive cable from the system board (pg 43).

15.Remove the voltage converter board (pg 44).

16.Disconnect the speaker assembly cables from the system board (pg 46). Continued on the next page.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES REMOVAL & REPLACEMENT 47