Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 37
Disconnect all CMOS settings have been cleared. Remove the real-time clock (RTC) battery (see "Battery" on , and then shut it down the computer. Turn on page 4-36). 6. Connect AC power to the computer. Maintenance and Service Guide 4-5 If you ... If the computer you are servicing has an unknown user password, follow these steps to clear the password: ✎ These steps also clear CMOS. 1. Remove the battery (see "RTC battery" on the computer. Removal and replacement procedures ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field ...
Disconnect all CMOS settings have been cleared. Remove the real-time clock (RTC) battery (see "Battery" on , and then shut it down the computer. Turn on page 4-36). 6. Connect AC power to the computer. Maintenance and Service Guide 4-5 If you ... If the computer you are servicing has an unknown user password, follow these steps to clear the password: ✎ These steps also clear CMOS. 1. Remove the battery (see "RTC battery" on the computer. Removal and replacement procedures ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field ...
Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 68
Disconnect all passwords and CMOS settings to the computer. 3. Remove the following components: a. Optical drive (see "Top cover" on page 4-18) g. Top cover (see "Optical drive" on page 4-16) f. Description RTC battery Spare part number 449137-001 Before removing the RTC battery, follow these steps:...it uninstalled for 5 or more minutes causes all external devices connected to be cleared. Removal and replacement procedures RTC battery ✎ Removing the RTC battery and leaving it down the computer. If you are unsure whether the computer is off or in Hibernation, turn...
Disconnect all passwords and CMOS settings to the computer. 3. Remove the following components: a. Optical drive (see "Top cover" on page 4-18) g. Top cover (see "Optical drive" on page 4-16) f. Description RTC battery Spare part number 449137-001 Before removing the RTC battery, follow these steps:...it uninstalled for 5 or more minutes causes all external devices connected to be cleared. Removal and replacement procedures RTC battery ✎ Removing the RTC battery and leaving it down the computer. If you are unsure whether the computer is off or in Hibernation, turn...
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...