TY  - BOOK
AU  - Bjorkdahl, Robert.
TI  - Computer maintenance and repair handbook 2023 edition: Your one stop handbook for protecting reparing and optimising your computer 
SN  - 9798878370226
AV  - TK7887 .B56 2023
PY  - 2023///
CY  - Britain
PB  - Amazon
N1  - Understanding computer maintenance --Software maintenance --Hardware maintenance -- Performance -- Performance optimization --Data backup abd recovery --Troubleshooting and maintenance tools -- Preventative measures -- Upgrading and repairing -- Mobile maintenance
ER  -