Ask our experts
The Computing Helpdesk is a free-to-use service that allows Which? Computing members to send technical queries to our team via an online form.
We promise to deliver an answer to any query from a Which? Computing member within two working days.
Your email address will look something like firstname.lastname@example.org.
Your membership number is the first number at the top of the address label mailed with each issue of the magazine.
Please select the phrase that best describes your computing proficiencies as this information helps us tailor our response to your needs.
The software that manages your computer.
Short for central processing unit (CPU), this is the 'brains' of your computer. A high spec computer will have a fast 'processor.' Most new computers are now sold with 64-bit processors.
Computer memory (RAM)
Your computer's short-term memory. The more memory your computer has, the quicker it will work and the more programs you can run at the same time. RAM is measured in Megabytes (MB).
A short description of a problem. Additional details should be added in field below.