HP (Hewlett-Packard) 311 Laptop User Manual


 
4–24 Maintenance and Service Guide
Removal and replacement procedures
Top cover
Before removing the top cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. 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 battery (see “Battery” on page 4-7).
5. Remove the accessory compartment cover (see “WLAN module” on page 4-9).
6. Remove the hard drive (see “Hard drive” on page 4-18).
7. Remove the keyboard (see “Keyboard” on page 4-21).
Remove the top cover:
1. Turn the computer upside down, with the front toward you.
2. Remove the 2 Phillips PM2.0×12.0 screws 1 and the 3 Phillips PM2.0×7.0 screws 2, located under the rubber
device feet, that secure the top cover to the base enclosure.
Description Spare part number
Top cover (includes TouchPad button board and cable, and TouchPad board and cable) 580057-001