Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 34
Disconnect all CMOS settings have been cleared. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the real-time clock (RTC) battery (see "Battery" on , and then shut it down ... has an unknown user password, follow these steps to clear the password: ✎ These steps also clear CMOS. 1. All passwords and all external devices connected to the computer. Replace the RTC battery and reassemble the computer. 8. Wait approximately 5 minutes. 7. Turn on page 4-34). 6. Remove the...
Disconnect all CMOS settings have been cleared. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the real-time clock (RTC) battery (see "Battery" on , and then shut it down ... has an unknown user password, follow these steps to clear the password: ✎ These steps also clear CMOS. 1. All passwords and all external devices connected to the computer. Replace the RTC battery and reassemble the computer. 8. Wait approximately 5 minutes. 7. Turn on page 4-34). 6. Remove the...
Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 63
... 4-8) b. Audio board (see "Hard drive" on page 4-29) h. Reverse this procedure to be cleared. Shut down the computer. Disconnect all passwords and CMOS settings to install the RTC battery. 4-34 Maintenance and Service Guide Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then...
... 4-8) b. Audio board (see "Hard drive" on page 4-29) h. Reverse this procedure to be cleared. Shut down the computer. Disconnect all passwords and CMOS settings to install the RTC battery. 4-34 Maintenance and Service Guide Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then...
Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 116
...scheduling 8-2 base enclosure screw covers, illustrated 3-7 base enclosure, spare part number 3-4, 3-12 battery removal 4-7 spare part number 3-4, 3-12, 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 4-36 spare part number 3-3, 3-...up 2-3 C Cable Kit contents 3-6 spare part number 3-6, 3-12 cables, service considerations 4-1 caps lock light 2-5 chipset, product description 1-1 CMOS clearing 4-34 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 ...
...scheduling 8-2 base enclosure screw covers, illustrated 3-7 base enclosure, spare part number 3-4, 3-12 battery removal 4-7 spare part number 3-4, 3-12, 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 4-36 spare part number 3-3, 3-...up 2-3 C Cable Kit contents 3-6 spare part number 3-6, 3-12 cables, service considerations 4-1 caps lock light 2-5 chipset, product description 1-1 CMOS clearing 4-34 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 ...