Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 37
...follow these steps to clear the password: ✎ These steps also clear CMOS. 1. Connect AC power to the computer. Maintenance and Service Guide 4-5 Shut down through the operating system. 2. Remove the battery (see "RTC battery" on , and then shut it down the computer. Wait approximately 5 ... computer is off or in Hibernation, turn the computer on page 4-36). 6. Remove the real-time clock (RTC) battery (see "Battery" on the computer. Disconnect all CMOS settings have been cleared. All passwords and all external devices connected to the computer. 3. Do not reinsert any...
...follow these steps to clear the password: ✎ These steps also clear CMOS. 1. Connect AC power to the computer. Maintenance and Service Guide 4-5 Shut down through the operating system. 2. Remove the battery (see "RTC battery" on , and then shut it down the computer. Wait approximately 5 ... computer is off or in Hibernation, turn the computer on page 4-36). 6. Remove the real-time clock (RTC) battery (see "Battery" on the computer. Disconnect all CMOS settings have been cleared. All passwords and all external devices connected to the computer. 3. Do not reinsert any...
Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 68
...the operating system. 2. Remove the battery (see "Fan" on page 4-7). 5. Fan (see "Battery" on page 4-32) i. System board (see "Hard drive" on page 4-34) 4-36 Maintenance and Service Guide Hard drive (see "System board" on page 4-8) b. Disconnect all passwords and CMOS settings to the computer. 3. ...see "Keyboard" on page 4-12) d. Keyboard (see "Optical drive" on page 4-18) g. Removal and replacement procedures RTC battery ✎ Removing the RTC battery and leaving it down the computer. WLAN module (see "Audio board" on page 4-30) h. Description RTC...
...the operating system. 2. Remove the battery (see "Fan" on page 4-7). 5. Fan (see "Battery" on page 4-32) i. System board (see "Hard drive" on page 4-34) 4-36 Maintenance and Service Guide Hard drive (see "System board" on page 4-8) b. Disconnect all passwords and CMOS settings to the computer. 3. ...see "Keyboard" on page 4-12) d. Keyboard (see "Optical drive" on page 4-18) g. Removal and replacement procedures RTC battery ✎ Removing the RTC battery and leaving it down the computer. WLAN module (see "Audio board" on page 4-30) h. Description RTC...
Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 127
... files and folders 8-2 hard drive 8-3 scheduling 8-2 base enclosure, spare part number 3-4, 3-13 battery removal 4-7 spare part number 3-13, 4-7 battery bay 2-8 battery light 2-5, 2-6 battery release latch 2-8 BIOS administrator password 5-3 Bluetooth module removal 4-41 spare part number 3-3, 3-11,... volume mute 2-3 volume up 2-3 C Cable Kit contents 3-7 spare part number 3-6, 3-7, 3-13 cables, service considerations 4-1 caps lock light 2-5 CMOS clearing 4-36 components antennae 2-1 bottom 2-8 buttons 2-3 display 2-1 front 2-6 keys 2-4 left-side 2-6 lights 2-5 right-side 2-7 top 2-1 TouchPad...
... files and folders 8-2 hard drive 8-3 scheduling 8-2 base enclosure, spare part number 3-4, 3-13 battery removal 4-7 spare part number 3-13, 4-7 battery bay 2-8 battery light 2-5, 2-6 battery release latch 2-8 BIOS administrator password 5-3 Bluetooth module removal 4-41 spare part number 3-3, 3-11,... volume mute 2-3 volume up 2-3 C Cable Kit contents 3-7 spare part number 3-6, 3-7, 3-13 cables, service considerations 4-1 caps lock light 2-5 CMOS clearing 4-36 components antennae 2-1 bottom 2-8 buttons 2-3 display 2-1 front 2-6 keys 2-4 left-side 2-6 lights 2-5 right-side 2-7 top 2-1 TouchPad...