Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 37
.... 4. Remove the real-time clock (RTC) battery (see "Battery" on , and then shut it down the computer. Replace the RTC battery and reassemble the computer. 8. Connect AC power to clear the password: ✎ These steps also clear CMOS. 1. Turn on page 4-36). 6. All ..., follow these steps to the computer. Wait approximately 5 minutes. 7. Do not reinsert any batteries at this time. 9. Shut down through the operating system. 2. Remove the battery (see "RTC battery" on the computer. Maintenance and Service Guide 4-5 Disconnect all CMOS settings have been cleared.
.... 4. Remove the real-time clock (RTC) battery (see "Battery" on , and then shut it down the computer. Replace the RTC battery and reassemble the computer. 8. Connect AC power to clear the password: ✎ These steps also clear CMOS. 1. Turn on page 4-36). 6. All ..., follow these steps to the computer. Wait approximately 5 minutes. 7. Do not reinsert any batteries at this time. 9. Shut down through the operating system. 2. Remove the battery (see "RTC battery" on the computer. Maintenance and Service Guide 4-5 Disconnect all CMOS settings have been cleared.
Compaq Presario CQ20 Notebook PC - Maintenance and Service Guide
Page 68
... Service Guide Remove the following components: a. Memory module (see "System board" on page 4-10) c. Removal and replacement procedures RTC battery ✎ Removing the RTC battery and leaving it down the computer. Top cover (see "Fan" on page 4-18) g. Fan (see "Top cover" on page...is off or in Hibernation, turn the computer on page 4-12) d. Disconnect all passwords and CMOS settings to the computer. 3. Description RTC battery Spare part number 449137-001 Before removing the RTC battery, follow these steps: 1. WLAN module (see "Audio board" on page 4-8) b. Audio board...
... Service Guide Remove the following components: a. Memory module (see "System board" on page 4-10) c. Removal and replacement procedures RTC battery ✎ Removing the RTC battery and leaving it down the computer. Top cover (see "Fan" on page 4-18) g. Fan (see "Top cover" on page...is off or in Hibernation, turn the computer on page 4-12) d. Disconnect all passwords and CMOS settings to the computer. 3. Description RTC battery Spare part number 449137-001 Before removing the RTC battery, follow these steps: 1. WLAN module (see "Audio board" on page 4-8) b. Audio board...
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...